diff --git a/litellm/responses/main.py b/litellm/responses/main.py
index 5e2793ed40d..cfc2a8f09ab 100644
--- a/litellm/responses/main.py
+++ b/litellm/responses/main.py
@@ -1223,7 +1223,7 @@ def responses(
         )
 
         # get llm provider logic
-        litellm_params: Final = GenericLiteLLMParams(**kwargs)
+        litellm_params: Final = GenericLiteLLMParams.model_validate(kwargs)
         try:
             effective_extra_headers: Final = (
                 add_provider_affinity_header(