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OpenAImodel

September 4, 2026·Source

GPT-6 Astra

OpenAI's new frontier model, built for computer use, software engineering, and long-running agent work.

Details

Available through the v1/responses and v1/chat/completions APIs
Also live in ChatGPT Work and Codex for Pro, Enterprise, and Business Premium users
OpenAI positions it for reasoning, coding, computer use, research, and document creation
Does not support the none reasoning effort level

Best for

agent work that runs long enough to need the model to hold a task together across many steps

When to use it

a job involves operating a computer, writing and revising code, or producing research and documents end to end

Who benefits

developers on the API, plus Pro, Enterprise, and Business Premium users of ChatGPT Work and Codex

More from OpenAI

Async Tool Calling in the Responses API

Rosalind Workbench (Research Preview)

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GPT-6 Astra | OpenAI | Chasing Next