ChatGPTModel releaseGASep 3, 2026
GPT-6 Astra
The most capable model to date has been released. It integrates inference, coding, and document preparation, supporting from initial request to completion. Tool calls are supported, and error-detection features have been strengthened.
- None level not supported
- Temperature/top_p not supported
- Tool invocation required by Responses API
- Error-detection feature available