fix(bedrock/): add generic support for tool calling on bedrock models

Closes https://github.com/BerriAI/litellm/issues/11430

litellm/llms/bedrock/chat/converse_transformation.py

@@ -105,6 +105,8 @@ class AmazonConverseConfig(BaseConfig):
         }
 
     def get_supported_openai_params(self, model: str) -> List[str]:
+        from litellm.utils import supports_function_calling
+
         supported_params = [
             "max_tokens",
             "max_completion_tokens",
@@ -137,6 +139,9 @@ class AmazonConverseConfig(BaseConfig):
             or base_model.startswith("meta.llama3-2")
             or base_model.startswith("meta.llama3-3")
             or base_model.startswith("amazon.nova")
+            or supports_function_calling(
+                model=model, custom_llm_provider=self.custom_llm_provider
+            )
         ):
             supported_params.append("tools")
 

tests/llm_translation/test_bedrock_completion.py

@@ -3141,3 +3141,49 @@ async def test_bedrock_max_completion_tokens(model: str):
         }
 
 
+
+def test_bedrock_meta_llama_function_calling():
+    """
+    Tests that:
+    - meta llama models support function calling
+    """
+    tools = [
+            {
+                "type": "function",
+            "function": {
+                "name": "get_current_weather",
+                "description": "Get the current weather in a given location",
+                "parameters": {
+                    "type": "object",
+                    "properties": {
+                        "location": {
+                            "type": "string",
+                            "description": "The city and state, e.g. San Francisco, CA",
+                        },
+                        "unit": {
+                            "type": "string",
+                            "enum": ["celsius", "fahrenheit"],
+                        },
+                    },
+                    "required": ["location"],
+                },
+            },
+        }
+    ]
+    messages = [
+        {
+            "role": "user",
+            "content": "What's the weather like in Boston today in fahrenheit?",
+        }
+    ]
+    request_args = {
+        "messages": messages,
+        "tools": tools,
+        "model": "bedrock/us.meta.llama4-scout-17b-instruct-v1:0",
+    }
+
+    response = completion(**request_args)
+
+    print(response)
+
+