openai-chat protocol for endpoints compatible with the OpenAI Chat Completions request shape, commonly exposed at /v1/chat/completions.
Configure the Protocol
--model-params values to the endpoint.
Common Parameters
Harnesses may add, transform, or restrict model parameters. Check the selected Harness page before copying a configuration between agent implementations.
When to Use It
Chooseopenai-chat when:
- the provider documents Chat Completions compatibility;
- the selected harness supports
openai-chat; - the evaluation does not require Responses-specific state or request fields.
