Merge pull request #35967 from BerriAI/litellm_bedrock_strip_client_metadata

fix(bedrock): strip client_metadata from converse additionalModelRequestFields

litellm/llms/bedrock/chat/converse_transformation.py

@@ -1337,6 +1337,7 @@ class AmazonConverseConfig(BaseConfig):
             )
 
         additional_request_params.pop("parallel_tool_calls", None)
+        additional_request_params.pop("client_metadata", None)
 
         # Only set the topK value in for models that support it
         additional_request_params.update(self._handle_top_k_value(model, inference_params, drop_params))

tests/test_litellm/llms/bedrock/chat/test_converse_transformation.py

@@ -979,6 +979,34 @@ def test_config_blocks_do_not_leak_into_inference_config():
     assert data["serviceTier"] == {"type": "priority"}
 
 
+@pytest.mark.parametrize(
+    "model",
+    [
+        "anthropic.claude-opus-4-8",
+        "us.anthropic.claude-opus-4-8",
+        "amazon.nova-pro-v1:0",
+        "us.meta.llama4-maverick-17b-instruct-v1:0",
+        "arn:aws:bedrock:us-east-1:123456789012:application-inference-profile/abcdef123456",
+        "arn:aws:bedrock:us-east-1:123456789012:inference-profile/us.amazon.nova-pro-v1:0",
+    ],
+)
+def test_client_metadata_stripped_from_converse_request(model):
+    data = AmazonConverseConfig()._transform_request_helper(
+        model=model,
+        system_content_blocks=[],
+        optional_params={
+            "maxTokens": 16,
+            "anthropic_beta": ["computer-use-2025-01-24"],
+            "client_metadata": {"originator": "codex_cli_rs"},
+        },
+        messages=None,
+    )
+
+    fields = data["additionalModelRequestFields"]
+    assert "client_metadata" not in fields
+    assert fields["anthropic_beta"] == ["computer-use-2025-01-24"]
+
+
 def test_parallel_tool_calls_config_kept_for_sonnet_5(monkeypatch):
     old_env = os.environ.get("LITELLM_LOCAL_MODEL_COST_MAP")
     old_cost = litellm.model_cost