add should_fake_stream

litellm/utils.py

@@ -1975,6 +1975,27 @@ def supports_system_messages(model: str, custom_llm_provider: Optional[str]) ->
     )
 
 
+def supports_native_streaming(model: str, custom_llm_provider: Optional[str]) -> bool:
+    """
+    Check if the given model supports native streaming and return a boolean value.
+
+    Parameters:
+    model (str): The model name to be checked.
+    custom_llm_provider (str): The provider to be checked.
+
+    Returns:
+    bool: True if the model supports native streaming, False otherwise.
+
+    Raises:
+    Exception: If the given model is not found in model_prices_and_context_window.json.
+    """
+    return _supports_factory(
+        model=model,
+        custom_llm_provider=custom_llm_provider,
+        key="supports_native_streaming",
+    )
+
+
 def supports_response_schema(
     model: str, custom_llm_provider: Optional[str] = None
 ) -> bool: