model from GET /v1/models. Native /v1/chat/completions only routes to OpenAI-compatible platforms. To keep this request shape while calling Claude or Gemini, use the OpenAI converter.
Related
Streaming
Set
stream: true and read SSE chunks.Chat Completions API
Parameters, function calling, and response fields.
Responses API
OpenAI Responses on PipeLLM.
Routing
Native routes versus converter routes.