diff --git a/public/img/mistralai.svg b/public/img/mistralai.svg
index 383094210..8c9dabdb2 100644
--- a/public/img/mistralai.svg
+++ b/public/img/mistralai.svg
@@ -5,8 +5,7 @@
  width="64.000000pt" height="64.000000pt" viewBox="0 0 53.000000 60.000000"
  preserveAspectRatio="xMidYMid meet">
 
-<g transform="translate(0.000000,63.000000) scale(0.100000,-0.100000)"
-fill="#000000" stroke="none">
+<g transform="translate(0.000000,63.000000) scale(0.100000,-0.100000)" stroke="none">
 <path d="M40 320 l0 -240 70 0 70 0 0 95 c0 95 0 95 25 95 23 0 25 -3 25 -50
 l0 -50 70 0 70 0 0 50 c0 47 2 50 25 50 25 0 25 0 25 -95 l0 -95 70 0 70 0 0
 240 0 240 -70 0 -70 0 0 -44 0 -45 -47 -3 -48 -3 -3 -47 c-3 -43 -5 -48 -28
diff --git a/public/img/tabby.svg b/public/img/tabby.svg
index df7b41341..cc19e6ed5 100644
--- a/public/img/tabby.svg
+++ b/public/img/tabby.svg
@@ -5,8 +5,7 @@
  width="176.000000pt" height="176.000000pt" viewBox="0 0 176.000000 176.000000"
  preserveAspectRatio="xMidYMid meet">
 
-<g transform="translate(0.000000,176.000000) scale(0.100000,-0.100000)"
-fill="#ffffff" stroke="none">
+<g transform="translate(0.000000,176.000000) scale(0.100000,-0.100000)" stroke="none">
 <path d="M197 1670 c-16 -19 -32 -58 -43 -107 -19 -87 -16 -222 11 -422 21
 -162 19 -218 -10 -306 -49 -144 -43 -332 14 -443 54 -106 160 -180 297 -207
 164 -33 202 -44 270 -77 59 -28 80 -33 144 -33 66 0 84 4 154 38 53 25 110 43
diff --git a/public/index.html b/public/index.html
index 595c61791..0861c7f2f 100644
--- a/public/index.html
+++ b/public/index.html
@@ -437,14 +437,15 @@
                                             Streaming</span>
                                     </label>
                                     <div class="toggle-description justifyLeft">
-                                        <span data-i18n="Display the response bit by bit as it is generated.">Display
-                                            the response bit by bit as it is generated.</span><br>
-                                        <span data-i18n="When this is off, responses will be displayed all at once when they are complete.">When
-                                            this is off, responses will be displayed all at once when they are
-                                            complete.</span>
+                                        <span data-i18n="Display the response bit by bit as it is generated.">
+                                            Display the response bit by bit as it is generated.
+                                        </span><br>
+                                        <span data-i18n="When this is off, responses will be displayed all at once when they are complete.">
+                                            When this is off, responses will be displayed all at once when they are complete.
+                                        </span>
                                     </div>
                                 </div>
-                                <div class="range-block" data-source="openai,claude,windowai,openrouter,ai21,scale,makersuite,mistralai">
+                                <div class="range-block" data-source="openai,claude,windowai,openrouter,ai21,scale,makersuite,mistralai,custom">
                                     <div class="range-block-title" data-i18n="Temperature">
                                         Temperature
                                     </div>
@@ -457,7 +458,7 @@
                                         </div>
                                     </div>
                                 </div>
-                                <div data-newbie-hidden class="range-block" data-source="openai,openrouter,ai21">
+                                <div data-newbie-hidden class="range-block" data-source="openai,openrouter,ai21,custom">
                                     <div class="range-block-title" data-i18n="Frequency Penalty">
                                         Frequency Penalty
                                     </div>
@@ -470,7 +471,7 @@
                                         </div>
                                     </div>
                                 </div>
-                                <div data-newbie-hidden class="range-block" data-source="openai,openrouter,ai21">
+                                <div data-newbie-hidden class="range-block" data-source="openai,openrouter,ai21,custom">
                                     <div class="range-block-title" data-i18n="Presence Penalty">
                                         Presence Penalty
                                     </div>
@@ -509,7 +510,7 @@
                                         </div>
                                     </div>
                                 </div>
-                                <div data-newbie-hidden class="range-block" data-source="openai,claude,openrouter,ai21,scale,makersuite,mistralai">
+                                <div data-newbie-hidden class="range-block" data-source="openai,claude,openrouter,ai21,scale,makersuite,mistralai,custom">
                                     <div class="range-block-title" data-i18n="Top-p">
                                         Top P
                                     </div>
@@ -577,7 +578,7 @@
                                             </div>
                                             <div class="toggle-description justifyLeft" data-i18n="Wraps activated World Info entries before inserting into the prompt.">
                                                 Wraps activated World Info entries before inserting into the prompt. Use
-                                                <tt>{0}</tt> to mark a place where the content is inserted.
+                                                <code>{0}</code> to mark a place where the content is inserted.
                                             </div>
                                             <div class="wide100p">
                                                 <textarea id="wi_format_textarea" class="text_pole textarea_compact autoSetHeight" rows="3" placeholder="&mdash;"></textarea>
@@ -591,7 +592,7 @@
                                                 </div>
                                             </div>
                                             <div class="toggle-description justifyLeft" data-i18n="Use scenario to mark a place where the content is inserted.">
-                                                Use <tt>{{scenario}}</tt> to mark a place where the content is inserted.
+                                                Use <code>{{scenario}}</code> to mark a place where the content is inserted.
                                             </div>
                                             <div class="wide100p">
                                                 <textarea id="scenario_format_textarea" class="text_pole textarea_compact autoSetHeight" rows="3" placeholder="&mdash;"></textarea>
@@ -605,7 +606,7 @@
                                                 </div>
                                             </div>
                                             <div class="toggle-description justifyLeft" data-i18n="Use personality to mark a place where the content is inserted.">
-                                                Use <tt>{{personality}}</tt> to mark a place where the content is inserted.
+                                                Use <code>{{personality}}</code> to mark a place where the content is inserted.
                                             </div>
                                             <div class="wide100p">
                                                 <textarea id="personality_format_textarea" class="text_pole textarea_compact autoSetHeight" rows="3" placeholder="&mdash;"></textarea>
@@ -729,6 +730,9 @@
                                     </div>
                                     <div class="wide100p">
                                         <input id="openai_reverse_proxy" type="text" class="text_pole" placeholder="https://api.openai.com/v1" maxlength="500" />
+                                        <small class="reverse_proxy_warning">
+                                            Doesn't work? Try adding <code>/v1</code> at the end!
+                                        </small>
                                     </div>
                                 </div>
                                 <div class="range-block" data-source="openai,claude">
@@ -745,7 +749,7 @@
                                         <div id="openai_proxy_password_show" title="Peek a password" class="menu_button fa-solid fa-eye-slash fa-fw"></div>
                                     </div>
                                 </div>
-                                <div data-newbie-hidden class="range-block" data-source="openai,openrouter,mistralai">
+                                <div data-newbie-hidden class="range-block" data-source="openai,openrouter,mistralai,custom">
                                     <div class="range-block-title justifyLeft" data-i18n="Seed">
                                         Seed
                                     </div>
@@ -1508,7 +1512,7 @@
                                             </span>
                                         </div>
                                     </div>
-                                    <div class="range-block" data-source="openai,openrouter,makersuite">
+                                    <div class="range-block" data-source="openai,openrouter,makersuite,custom">
                                         <label for="openai_image_inlining" class="checkbox_label flexWrap widthFreeExpand">
                                             <input id="openai_image_inlining" type="checkbox" />
                                             <span data-i18n="Send inline images">Send inline images</span>
@@ -1817,7 +1821,7 @@
                                         oobabooga/text-generation-webui
                                     </a>
                                     <span data-i18n="Make sure you run it with">
-                                        Make sure you run it with <tt>--api</tt> flag
+                                        Make sure you run it with <code>--api</code> flag
                                     </span>
                                 </div>
                                 <div class="flex1">
@@ -1945,6 +1949,7 @@
                             <option value="ai21">AI21</option>
                             <option value="makersuite">Google MakerSuite</option>
                             <option value="mistralai">MistralAI</option>
+                            <option value="custom">Custom (OpenAI-compatible)</option>
                         </select>
                         <form id="openai_form" data-source="openai" action="javascript:void(null);" method="post" enctype="multipart/form-data">
                             <h4><span data-i18n="OpenAI API key">OpenAI API key</span></h4>
@@ -2249,9 +2254,40 @@
                                 </select>
                             </div>
                         </form>
+                        <form id="custom_form" data-source="custom">
+                            <h4 data-i18n="Custom Endpoint (Base URL)">Custom Endpoint (Base URL)</h4>
+                            <div class="flex-container">
+                                <input id="custom_api_url_text" class="text_pole wide100p" maxlength="500" value="" autocomplete="off" placeholder="Example: http://localhost:1234/v1">
+                            </div>
+                            <div>
+                                <small>
+                                    Doesn't work? Try adding <code>/v1</code> at the end of the URL!
+                                </small>
+                            </div>
+                            <h4>
+                                <span data-i18n="Custom API Key">Custom API Key</span>
+                                <small>(Optional)</small>
+                            </h4>
+                            <div class="flex-container">
+                                <input id="api_key_custom" name="api_key_custom" class="text_pole flex1" maxlength="500" value="" type="text" autocomplete="off">
+                                <div title="Clear your API key" data-i18n="[title]Clear your API key" class="menu_button fa-solid fa-circle-xmark clear-api-key" data-key="api_key_custom"></div>
+                            </div>
+                            <div data-for="api_key_custom" class="neutral_warning">
+                                For privacy reasons, your API key will be hidden after you reload the page.
+                            </div>
+                            <h4>Enter a Model ID</h4>
+                            <div class="flex-container">
+                                <input id="custom_model_id" class="text_pole wide100p" maxlength="500" value="" autocomplete="off" placeholder="Example: gpt-3.5-turbo">
+                            </div>
+                                <h4 data-i18n="Available Models">Available Models</h4>
+                                <div class="flex-container">
+                                    <select id="model_custom_select" class="text_pole"></select>
+                                </div>
+                        </form>
                         <div class="flex-container flex">
                             <div id="api_button_openai" class="api_button menu_button menu_button_icon" type="submit" data-i18n="Connect">Connect</div>
                             <div class="api_loading menu_button" data-i18n="Cancel">Cancel</div>
+                            <div data-source="custom" id="customize_additional_parameters" class="menu_button menu_button_icon">Additional Parameters</div>
                             <div data-source="openrouter" id="openrouter_authorize" class="menu_button menu_button_icon" title="Get your OpenRouter API token using OAuth flow. You will be redirected to openrouter.ai" data-i18n="[title]Get your OpenRouter API token using OAuth flow. You will be redirected to openrouter.ai">Authorize</div>
                             <div id="test_api_button" class="menu_button menu_button_icon" title="Verifies your API connection by sending a short test message. Be aware that you'll be credited for it!" data-i18n="[title]Verifies your API connection by sending a short test message. Be aware that you'll be credited for it!">Test Message</div>
                         </div>
@@ -2368,11 +2404,15 @@
                                     <span class="fa-solid fa-circle-question note-link-span"></span>
                                 </a>
                             </h4>
-                            <div>
-                                <label for="instruct_enabled" class="checkbox_label">
+                            <div class="flex-container">
+                                <label for="instruct_enabled" class="checkbox_label flex1">
                                     <input id="instruct_enabled" type="checkbox" />
                                     <span data-i18n="Enabled">Enabled</span>
                                 </label>
+                                <label for="instruct_bind_to_context" class="checkbox_label flex1" title="If enabled, Context templates will be automatically selected based on selected Instruct template name or by preference.">
+                                    <input id="instruct_bind_to_context" type="checkbox" />
+                                    <span data-i18n="Bind to Context">Bind to Context</span>
+                                </label>
                             </div>
                             <label for="instruct_presets">
                                 <span data-i18n="Presets">Presets</span>
diff --git a/public/script.js b/public/script.js
index e68f22465..3ca460c01 100644
--- a/public/script.js
+++ b/public/script.js
@@ -184,7 +184,7 @@ import {
 } from './scripts/instruct-mode.js';
 import { applyLocale, initLocales } from './scripts/i18n.js';
 import { getFriendlyTokenizerName, getTokenCount, getTokenizerModel, initTokenizers, saveTokenCache } from './scripts/tokenizers.js';
-import { createPersona, initPersonas, selectCurrentPersona, setPersonaDescription } from './scripts/personas.js';
+import { createPersona, initPersonas, selectCurrentPersona, setPersonaDescription, updatePersonaNameIfExists } from './scripts/personas.js';
 import { getBackgrounds, initBackgrounds, loadBackgroundSettings, background_settings } from './scripts/backgrounds.js';
 import { hideLoader, showLoader } from './scripts/loader.js';
 import { BulkEditOverlay, CharacterContextMenu } from './scripts/BulkEditOverlay.js';
@@ -3252,6 +3252,7 @@ async function Generate(type, { automatic_trigger, force_name2, quiet_prompt, qu
         if (skipWIAN !== true) {
             console.log('skipWIAN not active, adding WIAN');
             // Add all depth WI entries to prompt
+            flushWIDepthInjections();
             if (Array.isArray(worldInfoDepth)) {
                 worldInfoDepth.forEach((e) => {
                     const joinedEntries = e.entries.join('\n');
@@ -3938,7 +3939,6 @@ async function Generate(type, { automatic_trigger, force_name2, quiet_prompt, qu
                                     ({ type, getMessage } = await saveReply('appendFinal', getMessage, false, title, swipes));
                                 }
                             }
-                            activateSendButtons();
 
                             if (type !== 'quiet') {
                                 playMessageSound();
@@ -3995,23 +3995,16 @@ async function Generate(type, { automatic_trigger, force_name2, quiet_prompt, qu
                         }
                     } else {
                         generatedPromptCache = '';
-                        activateSendButtons();
-                        //console.log('runGenerate calling showSwipeBtns');
-                        showSwipeButtons();
 
                         if (data?.response) {
                             toastr.error(data.response, 'API Error');
                         }
                         reject(data.response);
                     }
-                    console.debug('/api/chats/save called by /Generate');
 
+                    console.debug('/api/chats/save called by /Generate');
                     await saveChatConditional();
-                    is_send_press = false;
-                    hideStopButton();
-                    activateSendButtons();
-                    showSwipeButtons();
-                    setGenerationProgress(0);
+                    unblockGeneration();
                     streamingProcessor = null;
 
                     if (type !== 'quiet') {
@@ -4040,14 +4033,17 @@ async function Generate(type, { automatic_trigger, force_name2, quiet_prompt, qu
         is_send_press = false;
     }
 
+    //console.log('generate ending');
+} //generate ends
+
+function flushWIDepthInjections() {
     //prevent custom depth WI entries (which have unique random key names) from duplicating
-    for (let key in extension_prompts) {
-        if (key.includes('customDepthWI')) {
+    for (const key of Object.keys(extension_prompts)) {
+        if (key.startsWith('customDepthWI')) {
             delete extension_prompts[key];
         }
     }
-    //console.log('generate ending');
-} //generate ends
+}
 
 function unblockGeneration() {
     is_send_press = false;
@@ -4055,6 +4051,7 @@ function unblockGeneration() {
     showSwipeButtons();
     setGenerationProgress(0);
     flushEphemeralStoppingStrings();
+    flushWIDepthInjections();
     $('#send_textarea').removeAttr('disabled');
 }
 
@@ -5457,6 +5454,7 @@ function changeMainAPI() {
         case chat_completion_sources.AI21:
         case chat_completion_sources.MAKERSUITE:
         case chat_completion_sources.MISTRALAI:
+        case chat_completion_sources.CUSTOM:
         default:
             setupChatCompletionPromptManager(oai_settings);
             break;
@@ -7576,43 +7574,48 @@ const CONNECT_API_MAP = {
     },
     'oai': {
         selected: 'openai',
-        source: 'openai',
         button: '#api_button_openai',
+        source: chat_completion_sources.OPENAI,
     },
     'claude': {
         selected: 'openai',
-        source: 'claude',
         button: '#api_button_openai',
+        source: chat_completion_sources.CLAUDE,
     },
     'windowai': {
         selected: 'openai',
-        source: 'windowai',
         button: '#api_button_openai',
+        source: chat_completion_sources.WINDOWAI,
     },
     'openrouter': {
         selected: 'openai',
-        source: 'openrouter',
         button: '#api_button_openai',
+        source: chat_completion_sources.OPENROUTER,
     },
     'scale': {
         selected: 'openai',
-        source: 'scale',
         button: '#api_button_openai',
+        source: chat_completion_sources.SCALE,
     },
     'ai21': {
         selected: 'openai',
-        source: 'ai21',
         button: '#api_button_openai',
+        source: chat_completion_sources.AI21,
     },
     'makersuite': {
         selected: 'openai',
-        source: 'makersuite',
         button: '#api_button_openai',
+        source: chat_completion_sources.MAKERSUITE,
     },
     'mistralai': {
         selected: 'openai',
-        source: 'mistralai',
         button: '#api_button_openai',
+        source: chat_completion_sources.MISTRALAI,
+    },
+    'custom': {
+        selected: 'openai',
+        button: '#api_button_openai',
+        source: chat_completion_sources.CUSTOM,
     },
 };
 
@@ -9153,8 +9156,10 @@ jQuery(async function () {
         await messageEditDone($(this));
     });
 
-    $('#your_name_button').click(function () {
-        setUserName($('#your_name').val());
+    $('#your_name_button').click(async function () {
+        const userName = String($('#your_name').val()).trim();
+        setUserName(userName);
+        await updatePersonaNameIfExists(user_avatar, userName);
     });
 
     $('#sync_name_button').on('click', async function () {
diff --git a/public/scripts/RossAscends-mods.js b/public/scripts/RossAscends-mods.js
index a5abd41fd..7a0c648f3 100644
--- a/public/scripts/RossAscends-mods.js
+++ b/public/scripts/RossAscends-mods.js
@@ -399,6 +399,7 @@ function RA_autoconnect(PrevApi) {
                     || (secret_state[SECRET_KEYS.AI21] && oai_settings.chat_completion_source == chat_completion_sources.AI21)
                     || (secret_state[SECRET_KEYS.MAKERSUITE] && oai_settings.chat_completion_source == chat_completion_sources.MAKERSUITE)
                     || (secret_state[SECRET_KEYS.MISTRALAI] && oai_settings.chat_completion_source == chat_completion_sources.MISTRALAI)
+                    || (isValidUrl(oai_settings.custom_url) && oai_settings.chat_completion_source == chat_completion_sources.CUSTOM)
                 ) {
                     $('#api_button_openai').trigger('click');
                 }
diff --git a/public/scripts/extensions/caption/index.js b/public/scripts/extensions/caption/index.js
index ec126fcda..338fc5bea 100644
--- a/public/scripts/extensions/caption/index.js
+++ b/public/scripts/extensions/caption/index.js
@@ -217,7 +217,16 @@ async function captionHorde(base64Img) {
  * @returns {Promise<{caption: string}>} Generated caption
  */
 async function captionMultimodal(base64Img) {
-    const prompt = extension_settings.caption.prompt || PROMPT_DEFAULT;
+    let prompt = extension_settings.caption.prompt || PROMPT_DEFAULT;
+
+    if (extension_settings.caption.prompt_ask) {
+        const customPrompt = await callPopup('<h3>Enter a comment or question:</h3>', 'input', prompt, { rows: 2 });
+        if (!customPrompt) {
+            throw new Error('User aborted the caption sending.');
+        }
+        prompt = String(customPrompt).trim();
+    }
+
     const caption = await getMultimodalCaption(base64Img, prompt);
     return { caption };
 }
@@ -277,6 +286,7 @@ jQuery(function () {
                 (extension_settings.caption.source === 'multimodal' && extension_settings.caption.multimodal_api === 'google' && secret_state[SECRET_KEYS.MAKERSUITE]) ||
                 (extension_settings.caption.source === 'multimodal' && extension_settings.caption.multimodal_api === 'ollama' && textgenerationwebui_settings.server_urls[textgen_types.OLLAMA]) ||
                 (extension_settings.caption.source === 'multimodal' && extension_settings.caption.multimodal_api === 'llamacpp' && textgenerationwebui_settings.server_urls[textgen_types.LLAMACPP]) ||
+                (extension_settings.caption.source === 'multimodal' && extension_settings.caption.multimodal_api === 'custom') ||
                 extension_settings.caption.source === 'local' ||
                 extension_settings.caption.source === 'horde';
 
@@ -345,6 +355,7 @@ jQuery(function () {
                                 <option value="openai">OpenAI</option>
                                 <option value="openrouter">OpenRouter</option>
                                 <option value="google">Google MakerSuite</option>
+                                <option value="custom">Custom (OpenAI-compatible)</option>
                             </select>
                         </div>
                         <div class="flex1 flex-container flexFlowColumn flexNoGap">
@@ -358,6 +369,7 @@ jQuery(function () {
                                 <option data-type="ollama" value="bakllava:latest">bakllava:latest</option>
                                 <option data-type="ollama" value="llava:latest">llava:latest</option>
                                 <option data-type="llamacpp" value="llamacpp_current">[Currently loaded]</option>
+                                <option data-type="custom" value="custom_current">[Currently selected]</option>
                             </select>
                         </div>
                         <label data-type="openai" class="checkbox_label flexBasis100p" for="caption_allow_reverse_proxy" title="Allow using reverse proxy if defined and valid.">
@@ -371,6 +383,10 @@ jQuery(function () {
                     <div id="caption_prompt_block">
                         <label for="caption_prompt">Caption Prompt</label>
                         <textarea id="caption_prompt" class="text_pole" rows="1" placeholder="&lt; Use default &gt;">${PROMPT_DEFAULT}</textarea>
+                        <label class="checkbox_label margin-bot-10px" for="caption_prompt_ask" title="Ask for a custom prompt every time an image is captioned.">
+                            <input id="caption_prompt_ask" type="checkbox" class="checkbox">
+                            Ask every time
+                        </label>
                     </div>
                     <label for="caption_template">Message Template <small>(use <code>{{caption}}</code> macro)</small></label>
                     <textarea id="caption_template" class="text_pole" rows="2" placeholder="&lt; Use default &gt;">${TEMPLATE_DEFAULT}</textarea>
@@ -394,6 +410,7 @@ jQuery(function () {
 
     $('#caption_refine_mode').prop('checked', !!(extension_settings.caption.refine_mode));
     $('#caption_allow_reverse_proxy').prop('checked', !!(extension_settings.caption.allow_reverse_proxy));
+    $('#caption_prompt_ask').prop('checked', !!(extension_settings.caption.prompt_ask));
     $('#caption_source').val(extension_settings.caption.source);
     $('#caption_prompt').val(extension_settings.caption.prompt);
     $('#caption_template').val(extension_settings.caption.template);
@@ -415,4 +432,8 @@ jQuery(function () {
         extension_settings.caption.allow_reverse_proxy = $('#caption_allow_reverse_proxy').prop('checked');
         saveSettingsDebounced();
     });
+    $('#caption_prompt_ask').on('input', () => {
+        extension_settings.caption.prompt_ask = $('#caption_prompt_ask').prop('checked');
+        saveSettingsDebounced();
+    });
 });
diff --git a/public/scripts/extensions/expressions/index.js b/public/scripts/extensions/expressions/index.js
index 9ca960eff..3e457bcc0 100644
--- a/public/scripts/extensions/expressions/index.js
+++ b/public/scripts/extensions/expressions/index.js
@@ -992,8 +992,7 @@ async function getExpressionsList() {
     }
 
     const result = await resolveExpressionsList();
-    result.push(...extension_settings.expressions.custom);
-    return result;
+    return [...result, ...extension_settings.expressions.custom];
 }
 
 async function setExpression(character, expression, force) {
diff --git a/public/scripts/extensions/shared.js b/public/scripts/extensions/shared.js
index 4947f9b32..99742523e 100644
--- a/public/scripts/extensions/shared.js
+++ b/public/scripts/extensions/shared.js
@@ -24,6 +24,7 @@ export async function getMultimodalCaption(base64Img, prompt) {
     const isGoogle = extension_settings.caption.multimodal_api === 'google';
     const isOllama = extension_settings.caption.multimodal_api === 'ollama';
     const isLlamaCpp = extension_settings.caption.multimodal_api === 'llamacpp';
+    const isCustom = extension_settings.caption.multimodal_api === 'custom';
     const base64Bytes = base64Img.length * 0.75;
     const compressionLimit = 2 * 1024 * 1024;
     if (['google', 'openrouter'].includes(extension_settings.caption.multimodal_api) && base64Bytes > compressionLimit) {
@@ -68,6 +69,14 @@ export async function getMultimodalCaption(base64Img, prompt) {
         requestBody.server_url = textgenerationwebui_settings.server_urls[textgen_types.LLAMACPP];
     }
 
+    if (isCustom) {
+        requestBody.server_url = oai_settings.custom_url;
+        requestBody.model = oai_settings.custom_model || 'gpt-4-vision-preview';
+        requestBody.custom_include_headers = oai_settings.custom_include_headers;
+        requestBody.custom_include_body = oai_settings.custom_include_body;
+        requestBody.custom_exclude_body = oai_settings.custom_exclude_body;
+    }
+
     function getEndpointUrl() {
         switch (extension_settings.caption.multimodal_api) {
             case 'google':
@@ -119,4 +128,8 @@ function throwIfInvalidModel() {
     if (extension_settings.caption.multimodal_api === 'llamacpp' && !textgenerationwebui_settings.server_urls[textgen_types.LLAMACPP]) {
         throw new Error('LlamaCPP server URL is not set.');
     }
+
+    if (extension_settings.caption.multimodal_api === 'custom' && !oai_settings.custom_url) {
+        throw new Error('Custom API URL is not set.');
+    }
 }
diff --git a/public/scripts/instruct-mode.js b/public/scripts/instruct-mode.js
index 562cccadb..53f2c8515 100644
--- a/public/scripts/instruct-mode.js
+++ b/public/scripts/instruct-mode.js
@@ -29,6 +29,7 @@ const controls = [
     { id: 'instruct_first_output_sequence', property: 'first_output_sequence', isCheckbox: false },
     { id: 'instruct_last_output_sequence', property: 'last_output_sequence', isCheckbox: false },
     { id: 'instruct_activation_regex', property: 'activation_regex', isCheckbox: false },
+    { id: 'instruct_bind_to_context', property: 'bind_to_context', isCheckbox: true },
 ];
 
 /**
@@ -409,6 +410,10 @@ jQuery(() => {
     });
 
     $('#instruct_enabled').on('change', function () {
+        if (!power_user.instruct.bind_to_context) {
+            return;
+        }
+
         // When instruct mode gets enabled, select context template matching selected instruct preset
         if (power_user.instruct.enabled) {
             selectMatchingContextTemplate(power_user.instruct.preset);
@@ -440,8 +445,10 @@ jQuery(() => {
             }
         });
 
-        // Select matching context template
-        selectMatchingContextTemplate(name);
+        if (power_user.instruct.bind_to_context) {
+            // Select matching context template
+            selectMatchingContextTemplate(name);
+        }
 
         highlightDefaultPreset();
     });
diff --git a/public/scripts/openai.js b/public/scripts/openai.js
index 9e574c7d0..c9e297dfc 100644
--- a/public/scripts/openai.js
+++ b/public/scripts/openai.js
@@ -166,6 +166,7 @@ export const chat_completion_sources = {
     AI21: 'ai21',
     MAKERSUITE: 'makersuite',
     MISTRALAI: 'mistralai',
+    CUSTOM: 'custom',
 };
 
 const prefixMap = selected_group ? {
@@ -211,6 +212,11 @@ const default_settings = {
     google_model: 'gemini-pro',
     ai21_model: 'j2-ultra',
     mistralai_model: 'mistral-medium',
+    custom_model: '',
+    custom_url: '',
+    custom_include_body: '',
+    custom_exclude_body: '',
+    custom_include_headers: '',
     windowai_model: '',
     openrouter_model: openrouter_website_model,
     openrouter_use_fallback: false,
@@ -269,6 +275,11 @@ const oai_settings = {
     google_model: 'gemini-pro',
     ai21_model: 'j2-ultra',
     mistralai_model: 'mistral-medium',
+    custom_model: '',
+    custom_url: '',
+    custom_include_body: '',
+    custom_exclude_body: '',
+    custom_include_headers: '',
     windowai_model: '',
     openrouter_model: openrouter_website_model,
     openrouter_use_fallback: false,
@@ -1271,6 +1282,8 @@ function getChatCompletionModel() {
             return oai_settings.ai21_model;
         case chat_completion_sources.MISTRALAI:
             return oai_settings.mistralai_model;
+        case chat_completion_sources.CUSTOM:
+            return oai_settings.custom_model;
         default:
             throw new Error(`Unknown chat completion source: ${oai_settings.chat_completion_source}`);
     }
@@ -1331,6 +1344,23 @@ function saveModelList(data) {
             $('#model_openai_select').val(model).trigger('change');
         }
     }
+
+    if (oai_settings.chat_completion_source == chat_completion_sources.CUSTOM) {
+        $('#model_custom_select').empty();
+        $('#model_custom_select').append('<option value="">None</option>');
+        model_list.forEach((model) => {
+            $('#model_custom_select').append(
+                $('<option>', {
+                    value: model.id,
+                    text: model.id,
+                    selected: model.id == oai_settings.custom_model,
+                }));
+        });
+
+        if (!oai_settings.custom_model && model_list.length > 0) {
+            $('#model_custom_select').val(model_list[0].id).trigger('change');
+        }
+    }
 }
 
 function appendOpenRouterOptions(model_list, groupModels = false, sort = false) {
@@ -1459,6 +1489,7 @@ async function sendOpenAIRequest(type, messages, signal) {
     const isGoogle = oai_settings.chat_completion_source == chat_completion_sources.MAKERSUITE;
     const isOAI = oai_settings.chat_completion_source == chat_completion_sources.OPENAI;
     const isMistral = oai_settings.chat_completion_source == chat_completion_sources.MISTRALAI;
+    const isCustom = oai_settings.chat_completion_source == chat_completion_sources.CUSTOM;
     const isTextCompletion = (isOAI && textCompletionModels.includes(oai_settings.openai_model)) || (isOpenRouter && oai_settings.openrouter_force_instruct && power_user.instruct.enabled);
     const isQuiet = type === 'quiet';
     const isImpersonate = type === 'impersonate';
@@ -1485,7 +1516,7 @@ async function sendOpenAIRequest(type, messages, signal) {
         return sendWindowAIRequest(messages, signal, stream);
     }
 
-    const logitBiasSources = [chat_completion_sources.OPENAI, chat_completion_sources.OPENROUTER, chat_completion_sources.SCALE];
+    const logitBiasSources = [chat_completion_sources.OPENAI, chat_completion_sources.OPENROUTER, chat_completion_sources.SCALE, chat_completion_sources.CUSTOM];
     if (oai_settings.bias_preset_selected
         && logitBiasSources.includes(oai_settings.chat_completion_source)
         && Array.isArray(oai_settings.bias_presets[oai_settings.bias_preset_selected])
@@ -1572,7 +1603,14 @@ async function sendOpenAIRequest(type, messages, signal) {
         generate_data['safe_mode'] = false; // already defaults to false, but just incase they change that in the future.
     }
 
-    if ((isOAI || isOpenRouter || isMistral) && oai_settings.seed >= 0) {
+    if (isCustom) {
+        generate_data['custom_url'] = oai_settings.custom_url;
+        generate_data['custom_include_body'] = oai_settings.custom_include_body;
+        generate_data['custom_exclude_body'] = oai_settings.custom_exclude_body;
+        generate_data['custom_include_headers'] = oai_settings.custom_include_headers;
+    }
+
+    if ((isOAI || isOpenRouter || isMistral || isCustom) && oai_settings.seed >= 0) {
         generate_data['seed'] = oai_settings.seed;
     }
 
@@ -2318,6 +2356,11 @@ function loadOpenAISettings(data, settings) {
     oai_settings.openrouter_force_instruct = settings.openrouter_force_instruct ?? default_settings.openrouter_force_instruct;
     oai_settings.ai21_model = settings.ai21_model ?? default_settings.ai21_model;
     oai_settings.mistralai_model = settings.mistralai_model ?? default_settings.mistralai_model;
+    oai_settings.custom_model = settings.custom_model ?? default_settings.custom_model;
+    oai_settings.custom_url = settings.custom_url ?? default_settings.custom_url;
+    oai_settings.custom_include_body = settings.custom_include_body ?? default_settings.custom_include_body;
+    oai_settings.custom_exclude_body = settings.custom_exclude_body ?? default_settings.custom_exclude_body;
+    oai_settings.custom_include_headers = settings.custom_include_headers ?? default_settings.custom_include_headers;
     oai_settings.google_model = settings.google_model ?? default_settings.google_model;
     oai_settings.chat_completion_source = settings.chat_completion_source ?? default_settings.chat_completion_source;
     oai_settings.api_url_scale = settings.api_url_scale ?? default_settings.api_url_scale;
@@ -2365,6 +2408,8 @@ function loadOpenAISettings(data, settings) {
     $(`#model_ai21_select option[value="${oai_settings.ai21_model}"`).attr('selected', true);
     $('#model_mistralai_select').val(oai_settings.mistralai_model);
     $(`#model_mistralai_select option[value="${oai_settings.mistralai_model}"`).attr('selected', true);
+    $('#custom_model_id').val(oai_settings.custom_model);
+    $('#custom_api_url_text').val(oai_settings.custom_url);
     $('#openai_max_context').val(oai_settings.openai_max_context);
     $('#openai_max_context_counter').val(`${oai_settings.openai_max_context}`);
     $('#model_openrouter_select').val(oai_settings.openrouter_model);
@@ -2477,7 +2522,13 @@ async function getStatusOpen() {
         validateReverseProxy();
     }
 
-    const canBypass = oai_settings.chat_completion_source === chat_completion_sources.OPENAI && oai_settings.bypass_status_check;
+    if (oai_settings.chat_completion_source === chat_completion_sources.CUSTOM) {
+        $('#model_custom_select').empty();
+        data.custom_url = oai_settings.custom_url;
+        data.custom_include_headers = oai_settings.custom_include_headers;
+    }
+
+    const canBypass = (oai_settings.chat_completion_source === chat_completion_sources.OPENAI && oai_settings.bypass_status_check) || oai_settings.chat_completion_source === chat_completion_sources.CUSTOM;
     if (canBypass) {
         setOnlineStatus('Status check bypassed');
     }
@@ -2544,6 +2595,7 @@ async function saveOpenAIPreset(name, settings, triggerUi = true) {
         openrouter_sort_models: settings.openrouter_sort_models,
         ai21_model: settings.ai21_model,
         mistralai_model: settings.mistralai_model,
+        custom_model: settings.custom_model,
         google_model: settings.google_model,
         temperature: settings.temp_openai,
         frequency_penalty: settings.freq_pen_openai,
@@ -2918,6 +2970,11 @@ function onSettingsPresetChange() {
         openrouter_sort_models: ['#openrouter_sort_models', 'openrouter_sort_models', false],
         ai21_model: ['#model_ai21_select', 'ai21_model', false],
         mistralai_model: ['#model_mistralai_select', 'mistralai_model', false],
+        custom_model: ['#custom_model_id', 'custom_model', false],
+        custom_url: ['#custom_api_url_text', 'custom_url', false],
+        custom_include_body: ['#custom_include_body', 'custom_include_body', false],
+        custom_exclude_body: ['#custom_exclude_body', 'custom_exclude_body', false],
+        custom_include_headers: ['#custom_include_headers', 'custom_include_headers', false],
         google_model: ['#model_google_select', 'google_model', false],
         openai_max_context: ['#openai_max_context', 'openai_max_context', false],
         openai_max_tokens: ['#openai_max_tokens', 'openai_max_tokens', false],
@@ -3109,6 +3166,12 @@ async function onModelChange() {
         oai_settings.mistralai_model = value;
     }
 
+    if (value && $(this).is('#model_custom_select')) {
+        console.log('Custom model changed to', value);
+        oai_settings.custom_model = value;
+        $('#custom_model_id').val(value).trigger('input');
+    }
+
     if (oai_settings.chat_completion_source == chat_completion_sources.SCALE) {
         if (oai_settings.max_context_unlocked) {
             $('#openai_max_context').attr('max', unlocked_max);
@@ -3256,6 +3319,12 @@ async function onModelChange() {
         $('#top_k_openai').attr('max', 200).val(oai_settings.top_k_openai).trigger('input');
     }
 
+    if (oai_settings.chat_completion_source == chat_completion_sources.CUSTOM) {
+        $('#openai_max_context').attr('max', unlocked_max);
+        oai_settings.openai_max_context = Math.min(Number($('#openai_max_context').attr('max')), oai_settings.openai_max_context);
+        $('#openai_max_context').val(oai_settings.openai_max_context).trigger('input');
+    }
+
     $('#openai_max_context_counter').attr('max', Number($('#openai_max_context').attr('max')));
 
     saveSettingsDebounced();
@@ -3270,7 +3339,7 @@ async function onNewPresetClick() {
     const popupText = `
         <h3>Preset name:</h3>
         <h4>Hint: Use a character/group name to bind preset to a specific chat.</h4>`;
-    const name = await callPopup(popupText, 'input');
+    const name = await callPopup(popupText, 'input', oai_settings.preset_settings_openai);
 
     if (!name) {
         return;
@@ -3398,6 +3467,19 @@ async function onConnectButtonClick(e) {
         }
     }
 
+    if (oai_settings.chat_completion_source == chat_completion_sources.CUSTOM) {
+        const api_key_custom = String($('#api_key_custom').val()).trim();
+
+        if (api_key_custom.length) {
+            await writeSecret(SECRET_KEYS.CUSTOM, api_key_custom);
+        }
+
+        if (!oai_settings.custom_url) {
+            console.log('No API URL saved for Custom');
+            return;
+        }
+    }
+
     startStatusLoading();
     saveSettingsDebounced();
     await getStatusOpen();
@@ -3433,6 +3515,9 @@ function toggleChatCompletionForms() {
     else if (oai_settings.chat_completion_source == chat_completion_sources.MISTRALAI) {
         $('#model_mistralai_select').trigger('change');
     }
+    else if (oai_settings.chat_completion_source == chat_completion_sources.CUSTOM) {
+        $('#model_custom_select').trigger('change');
+    }
     $('[data-source]').each(function () {
         const validSources = $(this).data('source').split(',');
         $(this).toggle(validSources.includes(oai_settings.chat_completion_source));
@@ -3484,6 +3569,42 @@ function updateScaleForm() {
     }
 }
 
+function onCustomizeParametersClick() {
+    const template = $(`
+    <div class="flex-container flexFlowColumn height100p">
+        <h3>Additional Parameters</h3>
+        <div class="flex1 flex-container flexFlowColumn">
+            <h4>Include Body Parameters</h4>
+            <textarea id="custom_include_body" class="flex1" placeholder="Parameters to be included in the Chat Completion request body (YAML object)&#10;&#10;Example:&#10;- top_k: 20&#10;- repetition_penalty: 1.1"></textarea>
+        </div>
+        <div class="flex1 flex-container flexFlowColumn">
+            <h4>Exclude Body Parameters</h4>
+            <textarea id="custom_exclude_body" class="flex1" placeholder="Parameters to be excluded from the Chat Completion request body (YAML array)&#10;&#10;Example:&#10;- frequency_penalty&#10;- presence_penalty"></textarea>
+        </div>
+        <div class="flex1 flex-container flexFlowColumn">
+            <h4>Include Request Headers</h4>
+            <textarea id="custom_include_headers" class="flex1" placeholder="Additional headers for Chat Completion requests (YAML object)&#10;&#10;Example:&#10;- CustomHeader: custom-value&#10;- AnotherHeader: custom-value"></textarea>
+        </div>
+    </div>`);
+
+    template.find('#custom_include_body').val(oai_settings.custom_include_body).on('input', function() {
+        oai_settings.custom_include_body = String($(this).val());
+        saveSettingsDebounced();
+    });
+
+    template.find('#custom_exclude_body').val(oai_settings.custom_exclude_body).on('input', function() {
+        oai_settings.custom_exclude_body = String($(this).val());
+        saveSettingsDebounced();
+    });
+
+    template.find('#custom_include_headers').val(oai_settings.custom_include_headers).on('input', function() {
+        oai_settings.custom_include_headers = String($(this).val());
+        saveSettingsDebounced();
+    });
+
+    callPopup(template, 'text', '', { wide: true, large: true });
+}
+
 /**
  * Check if the model supports image inlining
  * @returns {boolean} True if the model supports image inlining
@@ -3495,7 +3616,7 @@ export function isImageInliningSupported() {
 
     const gpt4v = 'gpt-4-vision';
     const geminiProV = 'gemini-pro-vision';
-    const llava13b = 'llava-13b';
+    const llava = 'llava';
 
     if (!oai_settings.image_inlining) {
         return false;
@@ -3507,7 +3628,9 @@ export function isImageInliningSupported() {
         case chat_completion_sources.MAKERSUITE:
             return oai_settings.google_model.includes(geminiProV);
         case chat_completion_sources.OPENROUTER:
-            return oai_settings.openrouter_model.includes(gpt4v) || oai_settings.openrouter_model.includes(llava13b);
+            return !oai_settings.openrouter_force_instruct && (oai_settings.openrouter_model.includes(gpt4v) || oai_settings.openrouter_model.includes(llava));
+        case chat_completion_sources.CUSTOM:
+            return oai_settings.custom_model.includes(gpt4v) || oai_settings.custom_model.includes(llava) || oai_settings.custom_model.includes(geminiProV);
         default:
             return false;
     }
@@ -3813,6 +3936,16 @@ $(document).ready(async function () {
         saveSettingsDebounced();
     });
 
+    $('#custom_api_url_text').on('input', function () {
+        oai_settings.custom_url = String($(this).val());
+        saveSettingsDebounced();
+    });
+
+    $('#custom_model_id').on('input', function () {
+        oai_settings.custom_model = String($(this).val());
+        saveSettingsDebounced();
+    });
+
     $(document).on('input', '#openai_settings .autoSetHeight', function () {
         resetScrollHeight($(this));
     });
@@ -3829,6 +3962,7 @@ $(document).ready(async function () {
     $('#openrouter_sort_models').on('change', onOpenrouterModelSortChange);
     $('#model_ai21_select').on('change', onModelChange);
     $('#model_mistralai_select').on('change', onModelChange);
+    $('#model_custom_select').on('change', onModelChange);
     $('#settings_preset_openai').on('change', onSettingsPresetChange);
     $('#new_oai_preset').on('click', onNewPresetClick);
     $('#delete_oai_preset').on('click', onDeletePresetClick);
@@ -3843,4 +3977,5 @@ $(document).ready(async function () {
     $('#openai_logit_bias_delete_preset').on('click', onLogitBiasPresetDeleteClick);
     $('#import_oai_preset').on('click', onImportPresetClick);
     $('#openai_proxy_password_show').on('click', onProxyPasswordShowClick);
+    $('#customize_additional_parameters').on('click', onCustomizeParametersClick);
 });
diff --git a/public/scripts/personas.js b/public/scripts/personas.js
index 7ac5ac89c..310928c8c 100644
--- a/public/scripts/personas.js
+++ b/public/scripts/personas.js
@@ -193,6 +193,22 @@ export function autoSelectPersona(name) {
     }
 }
 
+/**
+ * Updates the name of a persona if it exists.
+ * @param {string} avatarId User avatar id
+ * @param {string} newName New name for the persona
+ */
+export async function updatePersonaNameIfExists(avatarId, newName) {
+    if (avatarId in power_user.personas) {
+        power_user.personas[avatarId] = newName;
+        await getUserAvatars();
+        saveSettingsDebounced();
+        console.log(`Updated persona name for ${avatarId} to ${newName}`);
+    } else {
+        console.log(`Persona name ${avatarId} was not updated because it does not exist`);
+    }
+}
+
 async function bindUserNameToPersona() {
     const avatarId = $(this).closest('.avatar-container').find('.avatar').attr('imgfile');
 
diff --git a/public/scripts/power-user.js b/public/scripts/power-user.js
index 679ceaffd..d4378a71a 100644
--- a/public/scripts/power-user.js
+++ b/public/scripts/power-user.js
@@ -205,6 +205,7 @@ let power_user = {
         names: false,
         names_force_groups: true,
         activation_regex: '',
+        bind_to_context: false,
     },
 
     default_context: 'Default',
@@ -1718,17 +1719,18 @@ function loadContextSettings() {
             }
         });
 
-        // Select matching instruct preset
-        for (const instruct_preset of instruct_presets) {
-            // If instruct preset matches the context template
-            if (instruct_preset.name === name) {
-                selectInstructPreset(instruct_preset.name);
-                break;
+        if (power_user.instruct.bind_to_context) {
+            // Select matching instruct preset
+            for (const instruct_preset of instruct_presets) {
+                // If instruct preset matches the context template
+                if (instruct_preset.name === name) {
+                    selectInstructPreset(instruct_preset.name);
+                    break;
+                }
             }
         }
 
         highlightDefaultContext();
-
         saveSettingsDebounced();
     });
 
diff --git a/public/scripts/preset-manager.js b/public/scripts/preset-manager.js
index 3f9334f00..c16e8970e 100644
--- a/public/scripts/preset-manager.js
+++ b/public/scripts/preset-manager.js
@@ -303,6 +303,7 @@ class PresetManager {
             'model_novel',
             'streaming_kobold',
             'enabled',
+            'bind_to_context',
             'seed',
             'legacy_api',
             'mancer_model',
diff --git a/public/scripts/secrets.js b/public/scripts/secrets.js
index 3bf58284d..1c1154180 100644
--- a/public/scripts/secrets.js
+++ b/public/scripts/secrets.js
@@ -16,6 +16,7 @@ export const SECRET_KEYS = {
     SERPAPI: 'api_key_serpapi',
     MISTRALAI: 'api_key_mistralai',
     TOGETHERAI: 'api_key_togetherai',
+    CUSTOM: 'api_key_custom',
 };
 
 const INPUT_MAP = {
@@ -32,6 +33,7 @@ const INPUT_MAP = {
     [SECRET_KEYS.APHRODITE]: '#api_key_aphrodite',
     [SECRET_KEYS.TABBY]: '#api_key_tabby',
     [SECRET_KEYS.MISTRALAI]: '#api_key_mistralai',
+    [SECRET_KEYS.CUSTOM]: '#api_key_custom',
     [SECRET_KEYS.TOGETHERAI]: '#api_key_togetherai',
 };
 
diff --git a/public/scripts/tokenizers.js b/public/scripts/tokenizers.js
index 3c7bc3f17..fb296d59f 100644
--- a/public/scripts/tokenizers.js
+++ b/public/scripts/tokenizers.js
@@ -388,6 +388,10 @@ export function getTokenizerModel() {
         return mistralTokenizer;
     }
 
+    if (oai_settings.chat_completion_source == chat_completion_sources.CUSTOM) {
+        return oai_settings.custom_model;
+    }
+
     // Default to Turbo 3.5
     return turboTokenizer;
 }
diff --git a/public/style.css b/public/style.css
index cf2f1f75c..2f2e6d244 100644
--- a/public/style.css
+++ b/public/style.css
@@ -3531,11 +3531,11 @@ a {
     display: none;
 }
 
-.reverse_proxy_warning {
+.reverse_proxy_warning:not(small) {
     color: var(--warning);
     background-color: var(--black70a);
     text-shadow: none !important;
-    margin-top: 12px !important;
+    margin-top: 5px !important;
     border-radius: 5px;
     padding: 3px;
     border: 1px solid var(--SmartThemeBorderColor);
diff --git a/src/constants.js b/src/constants.js
index 03c6ccb82..80b7585b2 100644
--- a/src/constants.js
+++ b/src/constants.js
@@ -160,6 +160,7 @@ const CHAT_COMPLETION_SOURCES = {
     AI21: 'ai21',
     MAKERSUITE: 'makersuite',
     MISTRALAI: 'mistralai',
+    CUSTOM: 'custom',
 };
 
 const UPLOADS_PATH = './uploads';
diff --git a/src/endpoints/backends/chat-completions.js b/src/endpoints/backends/chat-completions.js
index 42ec0c065..3dc3be1fc 100644
--- a/src/endpoints/backends/chat-completions.js
+++ b/src/endpoints/backends/chat-completions.js
@@ -4,7 +4,7 @@ const { Readable } = require('stream');
 
 const { jsonParser } = require('../../express-common');
 const { CHAT_COMPLETION_SOURCES, GEMINI_SAFETY, BISON_SAFETY } = require('../../constants');
-const { forwardFetchResponse, getConfigValue, tryParse, uuidv4, color } = require('../../util');
+const { forwardFetchResponse, getConfigValue, tryParse, uuidv4, mergeObjectWithYaml, excludeKeysByYaml } = require('../../util');
 const { convertClaudePrompt, convertGooglePrompt, convertTextCompletionPrompt } = require('../prompt-converters');
 
 const { readSecret, SECRET_KEYS } = require('../secrets');
@@ -21,10 +21,9 @@ const API_CLAUDE = 'https://api.anthropic.com/v1';
 async function sendClaudeRequest(request, response) {
     const apiUrl = new URL(request.body.reverse_proxy || API_CLAUDE).toString();
     const apiKey = request.body.reverse_proxy ? request.body.proxy_password : readSecret(SECRET_KEYS.CLAUDE);
-    const divider = '-'.repeat(process.stdout.columns);
 
     if (!apiKey) {
-        console.log(color.red(`Claude API key is missing.\n${divider}`));
+        console.log('Claude API key is missing.');
         return response.status(400).send({ error: true });
     }
 
@@ -35,44 +34,14 @@ async function sendClaudeRequest(request, response) {
             controller.abort();
         });
 
-        const isSysPromptSupported = request.body.model === 'claude-2' || request.body.model === 'claude-2.1';
-        const requestPrompt = convertClaudePrompt(request.body.messages, !request.body.exclude_assistant, request.body.assistant_prefill, isSysPromptSupported, request.body.claude_use_sysprompt, request.body.human_sysprompt_message);
+        let doSystemPrompt = request.body.model === 'claude-2' || request.body.model === 'claude-2.1';
+        let requestPrompt = convertClaudePrompt(request.body.messages, true, !request.body.exclude_assistant, doSystemPrompt);
 
-        console.log(color.green(`${divider}\nClaude request\n`) + color.cyan(`PROMPT\n${divider}\n${requestPrompt}\n${divider}`));
-
-        // Check Claude messages sequence and prefixes presence.
-        const sequence = requestPrompt.split('\n').filter(x => x.startsWith('Human:') || x.startsWith('Assistant:'));
-        const humanFound = sequence.some(line => line.startsWith('Human:'));
-        const assistantFound = sequence.some(line => line.startsWith('Assistant:'));
-        let humanErrorCount = 0;
-        let assistantErrorCount = 0;
-
-        for (let i = 0; i < sequence.length - 1; i++) {
-            if (sequence[i].startsWith(sequence[i + 1].split(':')[0])) {
-                if (sequence[i].startsWith('Human:')) {
-                    humanErrorCount++;
-                } else if (sequence[i].startsWith('Assistant:')) {
-                    assistantErrorCount++;
-                }
-            }
+        if (request.body.assistant_prefill && !request.body.exclude_assistant) {
+            requestPrompt += request.body.assistant_prefill;
         }
 
-        if (!humanFound) {
-            console.log(color.red(`${divider}\nWarning: No 'Human:' prefix found in the prompt.\n${divider}`));
-        }
-        if (!assistantFound) {
-            console.log(color.red(`${divider}\nWarning: No 'Assistant: ' prefix found in the prompt.\n${divider}`));
-        }
-        if (!sequence[0].startsWith('Human:')) {
-            console.log(color.red(`${divider}\nWarning: The messages sequence should start with 'Human:' prefix.\nMake sure you have 'Human:' prefix at the very beggining of the prompt, or after the system prompt.\n${divider}`));
-        }
-        if (humanErrorCount > 0 || assistantErrorCount > 0) {
-            console.log(color.red(`${divider}\nWarning: Detected incorrect Prefix sequence(s).`));
-            console.log(color.red(`Incorrect "Human:" prefix(es): ${humanErrorCount}.\nIncorrect "Assistant: " prefix(es): ${assistantErrorCount}.`));
-            console.log(color.red('Check the prompt above and fix it in the sillytavern.'));
-            console.log(color.red('\nThe correct sequence should look like this:\nSystem prompt  <-(for the sysprompt format only, else have 2 empty lines above the first human\'s  message.)'));
-            console.log(color.red(`       <-----(Each message beginning with the "Assistant:/Human:" prefix must have one empty line above.)\nHuman:\n\nAssistant:\n...\n\nHuman:\n\nAssistant:\n${divider}`));
-        }
+        console.log('Claude request:', requestPrompt);
         const stop_sequences = ['\n\nHuman:', '\n\nSystem:', '\n\nAssistant:'];
 
         // Add custom stop sequences
@@ -106,20 +75,20 @@ async function sendClaudeRequest(request, response) {
             forwardFetchResponse(generateResponse, response);
         } else {
             if (!generateResponse.ok) {
-                console.log(color.red(`Claude API returned error: ${generateResponse.status} ${generateResponse.statusText}\n${await generateResponse.text()}\n${divider}`));
+                console.log(`Claude API returned error: ${generateResponse.status} ${generateResponse.statusText} ${await generateResponse.text()}`);
                 return response.status(generateResponse.status).send({ error: true });
             }
 
             const generateResponseJson = await generateResponse.json();
             const responseText = generateResponseJson.completion;
-            console.log(color.green(`Claude response\n${divider}\n${responseText}\n${divider}`));
+            console.log('Claude response:', responseText);
 
             // Wrap it back to OAI format
             const reply = { choices: [{ 'message': { 'content': responseText } }] };
             return response.send(reply);
         }
     } catch (error) {
-        console.log(color.red(`Error communicating with Claude: ${error}\n${divider}`));
+        console.log('Error communicating with Claude: ', error);
         if (!response.headersSent) {
             return response.status(500).send({ error: true });
         }
@@ -469,26 +438,30 @@ async function sendMistralAIRequest(request, response) {
             controller.abort();
         });
 
+        const requestBody = {
+            'model': request.body.model,
+            'messages': messages,
+            'temperature': request.body.temperature,
+            'top_p': request.body.top_p,
+            'max_tokens': request.body.max_tokens,
+            'stream': request.body.stream,
+            'safe_mode': request.body.safe_mode,
+            'random_seed': request.body.seed === -1 ? undefined : request.body.seed,
+        };
+
         const config = {
             method: 'POST',
             headers: {
                 'Content-Type': 'application/json',
                 'Authorization': 'Bearer ' + apiKey,
             },
-            body: JSON.stringify({
-                'model': request.body.model,
-                'messages': messages,
-                'temperature': request.body.temperature,
-                'top_p': request.body.top_p,
-                'max_tokens': request.body.max_tokens,
-                'stream': request.body.stream,
-                'safe_mode': request.body.safe_mode,
-                'random_seed': request.body.seed === -1 ? undefined : request.body.seed,
-            }),
+            body: JSON.stringify(requestBody),
             signal: controller.signal,
             timeout: 0,
         };
 
+        console.log('MisralAI request:', requestBody);
+
         const generateResponse = await fetch('https://api.mistral.ai/v1/chat/completions', config);
         if (request.body.stream) {
             forwardFetchResponse(generateResponse, response);
@@ -500,6 +473,7 @@ async function sendMistralAIRequest(request, response) {
                 return response.status(generateResponse.status === 401 ? 500 : generateResponse.status).send({ error: true });
             }
             const generateResponseJson = await generateResponse.json();
+            console.log('MistralAI response:', generateResponseJson);
             return response.send(generateResponseJson);
         }
     } catch (error) {
@@ -533,12 +507,17 @@ router.post('/status', jsonParser, async function (request, response_getstatus_o
     } else if (request.body.chat_completion_source === CHAT_COMPLETION_SOURCES.MISTRALAI) {
         api_url = 'https://api.mistral.ai/v1';
         api_key_openai = readSecret(SECRET_KEYS.MISTRALAI);
+    } else if (request.body.chat_completion_source === CHAT_COMPLETION_SOURCES.CUSTOM) {
+        api_url = request.body.custom_url;
+        api_key_openai = readSecret(SECRET_KEYS.CUSTOM);
+        headers = {};
+        mergeObjectWithYaml(headers, request.body.custom_include_headers);
     } else {
         console.log('This chat completion source is not supported yet.');
         return response_getstatus_openai.status(400).send({ error: true });
     }
 
-    if (!api_key_openai && !request.body.reverse_proxy) {
+    if (!api_key_openai && !request.body.reverse_proxy && request.body.chat_completion_source !== CHAT_COMPLETION_SOURCES.CUSTOM) {
         console.log('OpenAI API key is missing.');
         return response_getstatus_openai.status(400).send({ error: true });
     }
@@ -688,7 +667,7 @@ router.post('/generate', jsonParser, function (request, response) {
     let headers;
     let bodyParams;
 
-    if (request.body.chat_completion_source !== CHAT_COMPLETION_SOURCES.OPENROUTER) {
+    if (request.body.chat_completion_source === CHAT_COMPLETION_SOURCES.OPENAI) {
         apiUrl = new URL(request.body.reverse_proxy || API_OPENAI).toString();
         apiKey = request.body.reverse_proxy ? request.body.proxy_password : readSecret(SECRET_KEYS.OPENAI);
         headers = {};
@@ -697,7 +676,7 @@ router.post('/generate', jsonParser, function (request, response) {
         if (getConfigValue('openai.randomizeUserId', false)) {
             bodyParams['user'] = uuidv4();
         }
-    } else {
+    } else if (request.body.chat_completion_source === CHAT_COMPLETION_SOURCES.OPENROUTER) {
         apiUrl = 'https://openrouter.ai/api/v1';
         apiKey = readSecret(SECRET_KEYS.OPENROUTER);
         // OpenRouter needs to pass the referer: https://openrouter.ai/docs
@@ -707,9 +686,19 @@ router.post('/generate', jsonParser, function (request, response) {
         if (request.body.use_fallback) {
             bodyParams['route'] = 'fallback';
         }
+    } else if (request.body.chat_completion_source === CHAT_COMPLETION_SOURCES.CUSTOM) {
+        apiUrl = request.body.custom_url;
+        apiKey = readSecret(SECRET_KEYS.CUSTOM);
+        headers = {};
+        bodyParams = {};
+        mergeObjectWithYaml(bodyParams, request.body.custom_include_body);
+        mergeObjectWithYaml(headers, request.body.custom_include_headers);
+    } else {
+        console.log('This chat completion source is not supported yet.');
+        return response.status(400).send({ error: true });
     }
 
-    if (!apiKey && !request.body.reverse_proxy) {
+    if (!apiKey && !request.body.reverse_proxy && request.body.chat_completion_source !== CHAT_COMPLETION_SOURCES.CUSTOM) {
         console.log('OpenAI API key is missing.');
         return response.status(400).send({ error: true });
     }
@@ -731,6 +720,27 @@ router.post('/generate', jsonParser, function (request, response) {
         controller.abort();
     });
 
+    const requestBody = {
+        'messages': isTextCompletion === false ? request.body.messages : undefined,
+        'prompt': isTextCompletion === true ? textPrompt : undefined,
+        'model': request.body.model,
+        'temperature': request.body.temperature,
+        'max_tokens': request.body.max_tokens,
+        'stream': request.body.stream,
+        'presence_penalty': request.body.presence_penalty,
+        'frequency_penalty': request.body.frequency_penalty,
+        'top_p': request.body.top_p,
+        'top_k': request.body.top_k,
+        'stop': isTextCompletion === false ? request.body.stop : undefined,
+        'logit_bias': request.body.logit_bias,
+        'seed': request.body.seed,
+        ...bodyParams,
+    };
+
+    if (request.body.chat_completion_source === CHAT_COMPLETION_SOURCES.CUSTOM) {
+        excludeKeysByYaml(requestBody, request.body.custom_exclude_body);
+    }
+
     /** @type {import('node-fetch').RequestInit} */
     const config = {
         method: 'post',
@@ -739,27 +749,12 @@ router.post('/generate', jsonParser, function (request, response) {
             'Authorization': 'Bearer ' + apiKey,
             ...headers,
         },
-        body: JSON.stringify({
-            'messages': isTextCompletion === false ? request.body.messages : undefined,
-            'prompt': isTextCompletion === true ? textPrompt : undefined,
-            'model': request.body.model,
-            'temperature': request.body.temperature,
-            'max_tokens': request.body.max_tokens,
-            'stream': request.body.stream,
-            'presence_penalty': request.body.presence_penalty,
-            'frequency_penalty': request.body.frequency_penalty,
-            'top_p': request.body.top_p,
-            'top_k': request.body.top_k,
-            'stop': isTextCompletion === false ? request.body.stop : undefined,
-            'logit_bias': request.body.logit_bias,
-            'seed': request.body.seed,
-            ...bodyParams,
-        }),
+        body: JSON.stringify(requestBody),
         signal: controller.signal,
         timeout: 0,
     };
 
-    console.log(JSON.parse(String(config.body)));
+    console.log(requestBody);
 
     makeRequest(config, response, request);
 
diff --git a/src/endpoints/openai.js b/src/endpoints/openai.js
index cb98cf274..35a766301 100644
--- a/src/endpoints/openai.js
+++ b/src/endpoints/openai.js
@@ -4,13 +4,15 @@ const express = require('express');
 const FormData = require('form-data');
 const fs = require('fs');
 const { jsonParser, urlencodedParser } = require('../express-common');
-const { getConfigValue } = require('../util');
+const { getConfigValue, mergeObjectWithYaml, excludeKeysByYaml } = require('../util');
 
 const router = express.Router();
 
 router.post('/caption-image', jsonParser, async (request, response) => {
     try {
         let key = '';
+        let headers = {};
+        let bodyParams = {};
 
         if (request.body.api === 'openai' && !request.body.reverse_proxy) {
             key = readSecret(SECRET_KEYS.OPENAI);
@@ -24,7 +26,13 @@ router.post('/caption-image', jsonParser, async (request, response) => {
             key = request.body.proxy_password;
         }
 
-        if (!key && !request.body.reverse_proxy) {
+        if (request.body.api === 'custom') {
+            key = readSecret(SECRET_KEYS.CUSTOM);
+            mergeObjectWithYaml(bodyParams, request.body.custom_include_body);
+            mergeObjectWithYaml(headers, request.body.custom_include_headers);
+        }
+
+        if (!key && !request.body.reverse_proxy && request.body.api !== 'custom') {
             console.log('No key found for API', request.body.api);
             return response.sendStatus(400);
         }
@@ -41,6 +49,7 @@ router.post('/caption-image', jsonParser, async (request, response) => {
                 },
             ],
             max_tokens: 500,
+            ...bodyParams,
         };
 
         const captionSystemPrompt = getConfigValue('openai.captionSystemPrompt');
@@ -51,10 +60,13 @@ router.post('/caption-image', jsonParser, async (request, response) => {
             });
         }
 
+        if (request.body.api === 'custom') {
+            excludeKeysByYaml(body, request.body.custom_exclude_body);
+        }
+
         console.log('Multimodal captioning request', body);
 
         let apiUrl = '';
-        let headers = {};
 
         if (request.body.api === 'openrouter') {
             apiUrl = 'https://openrouter.ai/api/v1/chat/completions';
@@ -69,6 +81,10 @@ router.post('/caption-image', jsonParser, async (request, response) => {
             apiUrl = `${request.body.reverse_proxy}/chat/completions`;
         }
 
+        if (request.body.api === 'custom') {
+            apiUrl = `${request.body.server_url}/chat/completions`;
+        }
+
         const result = await fetch(apiUrl, {
             method: 'POST',
             headers: {
diff --git a/src/endpoints/secrets.js b/src/endpoints/secrets.js
index 000e344fe..8d28563bf 100644
--- a/src/endpoints/secrets.js
+++ b/src/endpoints/secrets.js
@@ -27,6 +27,7 @@ const SECRET_KEYS = {
     SERPAPI: 'api_key_serpapi',
     TOGETHERAI: 'api_key_togetherai',
     MISTRALAI: 'api_key_mistralai',
+    CUSTOM: 'api_key_custom',
 };
 
 /**
diff --git a/src/util.js b/src/util.js
index 45c96fef1..0779b88f6 100644
--- a/src/util.js
+++ b/src/util.js
@@ -399,6 +399,65 @@ function forwardFetchResponse(from, to) {
     });
 }
 
+/**
+ * Adds YAML-serialized object to the object.
+ * @param {object} obj Object
+ * @param {string} yamlString YAML-serialized object
+ * @returns
+ */
+function mergeObjectWithYaml(obj, yamlString) {
+    if (!yamlString) {
+        return;
+    }
+
+    try {
+        const parsedObject = yaml.parse(yamlString);
+
+        if (Array.isArray(parsedObject)) {
+            for (const item of parsedObject) {
+                if (typeof item === 'object' && item && !Array.isArray(item)) {
+                    Object.assign(obj, item);
+                }
+            }
+        }
+        else if (parsedObject && typeof parsedObject === 'object') {
+            Object.assign(obj, parsedObject);
+        }
+    } catch {
+        // Do nothing
+    }
+}
+
+/**
+ * Removes keys from the object by YAML-serialized array.
+ * @param {object} obj Object
+ * @param {string} yamlString YAML-serialized array
+ * @returns {void} Nothing
+ */
+function excludeKeysByYaml(obj, yamlString) {
+    if (!yamlString) {
+        return;
+    }
+
+    try {
+        const parsedObject = yaml.parse(yamlString);
+
+        if (Array.isArray(parsedObject)) {
+            parsedObject.forEach(key => {
+                delete obj[key];
+            });
+        } else if (typeof parsedObject === 'object') {
+            Object.keys(parsedObject).forEach(key => {
+                delete obj[key];
+            });
+        } else if (typeof parsedObject === 'string') {
+            delete obj[parsedObject];
+        }
+    } catch {
+        // Do nothing
+    }
+}
+
 module.exports = {
     getConfig,
     getConfigValue,
@@ -420,4 +479,6 @@ module.exports = {
     getImages,
     forwardFetchResponse,
     getHexString,
+    mergeObjectWithYaml,
+    excludeKeysByYaml,
 };