From 953b93d1a87293bbf3663f2ca7f83726b56cfbe2 Mon Sep 17 00:00:00 2001
From: alchemicjon <jrichmond124@gmail.com>
Date: Mon, 19 Oct 2026 12:45:28 -0400
Subject: [PATCH] fix: ensure reasoning field in provider_specific_fields is
 redacted

---
 litellm/litellm_core_utils/redact_messages.py         | 1 +
 tests/unit/litellm_core_utils/test_redact_messages.py | 1 +
 2 files changed, 2 insertions(+)

diff --git a/litellm/litellm_core_utils/redact_messages.py b/litellm/litellm_core_utils/redact_messages.py
index c2cca5739cf..55741790954 100644
--- a/litellm/litellm_core_utils/redact_messages.py
+++ b/litellm/litellm_core_utils/redact_messages.py
@@ -147,6 +147,7 @@ def _redacted_provider_specific_fields(fields: Mapping[str, object]) -> Mapping[
     return {
         **fields,
         **({"reasoning_content": REDACTED_BY_LITELLM} if fields.get("reasoning_content") is not None else {}),
+        **({"reasoning": REDACTED_BY_LITELLM} if fields.get("reasoning") is not None else {}),
         **{key: None for key in ("thinking_blocks", "reasoningContentBlocks", "citations") if key in fields},
     }
 
diff --git a/tests/unit/litellm_core_utils/test_redact_messages.py b/tests/unit/litellm_core_utils/test_redact_messages.py
index d14f236f765..f279cf82cef 100644
--- a/tests/unit/litellm_core_utils/test_redact_messages.py
+++ b/tests/unit/litellm_core_utils/test_redact_messages.py
@@ -51,6 +51,7 @@ SIGNATURE: Final = "opaque-thought-signature"
 def _provider_fields() -> dict[str, object]:
     return {
         "reasoning_content": SECRET,
+        "reasoning": SECRET,
         "thinking_blocks": [{"type": "thinking", "thinking": SECRET}],
         "reasoningContentBlocks": [{"reasoningText": {"text": SECRET}}],
         "citations": [{"cited_text": SECRET}],