GPT-5: Remove params unsupported with reasoning models

Author: LifeDJIK

litellm/llms/openai/chat/gpt_5_transformation.py

@@ -28,7 +28,18 @@ def get_supported_openai_params(self, model: str) -> list:
         base_gpt_series_params.extend(gpt_5_only_params)
         if not supports_tool_choice(model=model):
             base_gpt_series_params.remove("tool_choice")
-        return base_gpt_series_params
+
+        non_supported_params = [
+            "logprobs",
+            "top_p",
+            "presence_penalty",
+            "frequency_penalty",
+            "top_logprobs",
+        ]
+
+        return [
+            param for param in base_gpt_series_params if param not in non_supported_params
+        ]
 
     def map_openai_params(
         self,