diff --git a/model.py b/model.py
index 8d53f934..c1c64c97 100644
--- a/model.py
+++ b/model.py
@@ -2549,6 +2549,7 @@ class OpenAIAPIInferenceModel(InferenceModel):
                 "max_tokens": max_new,
                 "temperature": gen_settings.temp,
                 "top_p": gen_settings.top_p,
+                "frequency_penalty": gen_settings.rep_pen,
                 "n": batch_count,
                 "stream": False,
             }