diff --git a/frigate/data_processing/post/review_descriptions.py b/frigate/data_processing/post/review_descriptions.py
index 501168da6..73bea4787 100644
--- a/frigate/data_processing/post/review_descriptions.py
+++ b/frigate/data_processing/post/review_descriptions.py
@@ -90,7 +90,8 @@ class ReviewDescriptionProcessor(PostProcessorApi):
         pixels_per_image = width * height
         tokens_per_image = pixels_per_image / 1250
         prompt_tokens = 3500
-        available_tokens = context_size * 0.98 - prompt_tokens
+        response_tokens = 300
+        available_tokens = context_size - prompt_tokens - response_tokens
         max_frames = int(available_tokens / tokens_per_image)
 
         return min(max(max_frames, 3), 20)