GPT-6 Astra is generally available in GitHub Copilot
3.20T1 sourceGitHub Changelog
GitHub Changelogoriginal source ↗
Source record
Published by GitHub Changelog (T1 source). The original is at https://github.blog/changelog/2026-09-04-gpt-6-astra-is-generally-available-in-github-copilot.
Pipeline notes
The summary and note below are generated by the signal pipeline — they are Beyond Desk’s reading, not quotations from the source.
SummaryGitHub Copilot now offers OpenAI's GPT-6 Astra as a generally available model, positioned for long-horizon autonomous coding and agentic tasks.
Why it mattersOfficial GA of a model pitched at autonomous coding workloads in the most widely used AI coding tool; useful for readers choosing a Copilot backend.
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