diff --git a/litellm/llms/vertex_ai/gemini/vertex_and_google_ai_studio_gemini.py b/litellm/llms/vertex_ai/gemini/vertex_and_google_ai_studio_gemini.py index af39152446a..189ac7a7f6a 100644 --- a/litellm/llms/vertex_ai/gemini/vertex_and_google_ai_studio_gemini.py +++ b/litellm/llms/vertex_ai/gemini/vertex_and_google_ai_studio_gemini.py @@ -296,7 +296,7 @@ class VertexGeminiConfig(VertexAIBaseConfig, BaseConfig): """ Whether to include `id` on function_call / function_response parts. - Gemini 3.5+ on Google AI Studio accepts (and returns) `id` for strict + Gemini 3+ on Google AI Studio accepts (and returns) `id` for strict tool-call matching. Vertex AI rejects the field with HTTP 400. """ if custom_llm_provider != "gemini":