From c504ed59c23e183f6e06febc526c1f3aeb123763 Mon Sep 17 00:00:00 2001
From: Humaira Ambreen <181621420+humairaambreen@users.noreply.github.com>
Date: Sun, 27 Sep 2026 12:51:14 +0530
Subject: [PATCH] fix(responses): add summary via model copy

Keep reasoning summary on the wire without widening the generic response schema.
---
 .../litellm_completion_transformation/transformation.py        | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/litellm/responses/litellm_completion_transformation/transformation.py b/litellm/responses/litellm_completion_transformation/transformation.py
index 03089eb7ba7..593d9803c1b 100644
--- a/litellm/responses/litellm_completion_transformation/transformation.py
+++ b/litellm/responses/litellm_completion_transformation/transformation.py
@@ -2605,9 +2605,8 @@ class LiteLLMCompletionResponsesConfig:
                                 for text in (reasoning_content,)
                                 if text
                             ],
-                            summary=[],
                             encrypted_content=encrypted_content,
-                        )
+                        ).model_copy(update={"summary": []})
                     ]
         return []