From 0dbed192e973a2ea667f3f6eb5151d6b3a0666a3 Mon Sep 17 00:00:00 2001
From: Sameer Kankute <sameer@berri.ai>
Date: Wed, 18 Mar 2026 10:37:40 +0530
Subject: [PATCH] Add test for reasoning effort none

---
 litellm/llms/openai/chat/gpt_5_transformation.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/litellm/llms/openai/chat/gpt_5_transformation.py b/litellm/llms/openai/chat/gpt_5_transformation.py
index bd726e7933..1a976beac8 100644
--- a/litellm/llms/openai/chat/gpt_5_transformation.py
+++ b/litellm/llms/openai/chat/gpt_5_transformation.py
@@ -224,6 +224,7 @@ class OpenAIGPT5Config(OpenAIGPTConfig):
             if not self._supports_reasoning_effort_level(model, effective_effort):
                 if litellm.drop_params or drop_params:
                     non_default_params.pop("reasoning_effort", None)
+                    optional_params.pop("reasoning_effort", None)
                 else:
                     raise litellm.utils.UnsupportedParamsError(
                         message=(