From 13d0a57b4bc1c9ba9fa8ef1c291014b1892d671b Mon Sep 17 00:00:00 2001
From: moe-berri <moe@berri.ai>
Date: Tue, 15 Sep 2026 15:14:08 -0700
Subject: [PATCH] fix(proxy): keep response ownership markers out of provider
 requests

---
 litellm/types/utils.py           | 1 +
 tests/test_litellm/test_utils.py | 8 ++++++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/litellm/types/utils.py b/litellm/types/utils.py
index 8bab7c349ff..430a30eec21 100644
--- a/litellm/types/utils.py
+++ b/litellm/types/utils.py
@@ -3778,6 +3778,7 @@ all_litellm_params = (
         "aembedding",
         "allm_passthrough_route",
         "_litellm_strip_stream_usage",
+        "_litellm_addressed_response_id",
         "use_client",
         "id",
         "fallbacks",
diff --git a/tests/test_litellm/test_utils.py b/tests/test_litellm/test_utils.py
index 8bf8489fc52..0aa5d85fd88 100644
--- a/tests/test_litellm/test_utils.py
+++ b/tests/test_litellm/test_utils.py
@@ -4651,9 +4651,13 @@ def test_aws_bedrock_project_id_excluded_from_bedrock_optional_params():
 @pytest.mark.parametrize("filter_name", [
     "get_non_default_completion_params", "get_non_default_transcription_params", "filter_out_litellm_params",
 ])
-def test_scoped_weights_are_excluded_from_provider_params(filter_name: str) -> None:
+@pytest.mark.parametrize(
+    "internal",
+    [{"_router_weights": {"group": {"deployment": 100}}}, {"_litellm_addressed_response_id": "resp_private"}],
+)
+def test_internal_metadata_is_excluded_from_provider_params(filter_name: str, internal: dict[str, object]) -> None:
     filtered = getattr(litellm.utils, filter_name)(
-        {"provider_option": "kept", "_router_weights": {"group": {"deployment": 100}}}
+        {"provider_option": "kept", **internal}
     )
     assert filtered == {"provider_option": "kept"}