From 3efd070c95a046394390ee722d39be8f4de2c533 Mon Sep 17 00:00:00 2001
From: agustin18 <agustinsaiz02@gmail.com>
Date: Tue, 29 Sep 2026 03:08:42 +0000
Subject: [PATCH] fix(responses): attach accumulated reasoning items to
 raw-dict callback choices

---
 .../transformation.py                         |  6 +++++
 ...responses_transformation_transformation.py | 24 ++++++++++++++++++-
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/litellm/completion_extras/litellm_responses_transformation/transformation.py b/litellm/completion_extras/litellm_responses_transformation/transformation.py
index ebd5bac82bc..092adf57ab7 100644
--- a/litellm/completion_extras/litellm_responses_transformation/transformation.py
+++ b/litellm/completion_extras/litellm_responses_transformation/transformation.py
@@ -780,6 +780,12 @@ class LiteLLMResponsesTransformationHandler(CompletionTransformationBridge):
                 elif handle_raw_dict_callback is not None:
                     choice, index = handle_raw_dict_callback(item=raw_item, index=index)
                     if choice is not None:
+                        if pending_reasoning_items:
+                            choice.message.reasoning_items = _as_chat_reasoning_items(pending_reasoning_items)
+                            if reasoning_content:
+                                choice.message.reasoning_content = reasoning_content
+                            pending_reasoning_items.clear()
+                            reasoning_content = None
                         choices.append(choice)
             else:
                 pass  # don't fail request if item in list is not supported
diff --git a/tests/unit/completion_extras/litellm_responses_transformation/test_completion_extras_litellm_responses_transformation_transformation.py b/tests/unit/completion_extras/litellm_responses_transformation/test_completion_extras_litellm_responses_transformation_transformation.py
index 2e1758aada2..611d2f88e7b 100644
--- a/tests/unit/completion_extras/litellm_responses_transformation/test_completion_extras_litellm_responses_transformation_transformation.py
+++ b/tests/unit/completion_extras/litellm_responses_transformation/test_completion_extras_litellm_responses_transformation_transformation.py
@@ -4405,6 +4405,25 @@ def test_map_optional_params_verbosity_merges_into_text():
             "message",
             id="multiple_reasoning_items_before_output_message",
         ),
+        pytest.param(
+            [
+                {
+                    "type": "reasoning",
+                    "id": "rs_raw_1",
+                    "summary": [{"type": "summary_text", "text": "Raw Step 1"}],
+                    "encrypted_content": "enc_raw",
+                },
+                {
+                    "type": "message",
+                    "role": "assistant",
+                    "content": [{"type": "output_text", "text": "Raw response text"}],
+                },
+            ],
+            ["rs_raw_1"],
+            "Raw Step 1",
+            "raw_dict_message",
+            id="reasoning_items_before_raw_dict_message",
+        ),
         pytest.param(
             [
                 {
@@ -4446,7 +4465,10 @@ def test_convert_response_output_to_choices_preserves_all_reasoning_items(
         )
 
     handler: Final = LiteLLMResponsesTransformationHandler()
-    choices: Final = handler._convert_response_output_to_choices(items_to_pass)
+    choices: Final = handler._convert_response_output_to_choices(
+        items_to_pass,
+        handle_raw_dict_callback=handler._handle_raw_dict_response_item,
+    )
 
     assert len(choices) == 1
     msg = choices[0].message