GitHub Copilot models deprecated on October 19, 2026
3.20T1 sourceGitHub Changelog
GitHub Changelogoriginal source ↗
Source record
Published by GitHub Changelog (T1 source). The original is at https://github.blog/changelog/2026-10-19-github-copilot-models-deprecated-on-october-19-2026.
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 announced deprecation of several AI models across its Copilot experiences, including Chat, inline edits, ask and agent modes, and code completions, effective October 19, 2026.
Why it mattersOfficial GitHub notice; Copilot users need to know which models are being removed to adjust their setups and avoid disruptions.

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