Upcoming August 2026 model deprecations in GitHub Copilot

GitHub will deprecate six models across all Copilot experiences on September 1, 2026, and provides suggested alternatives for each.

From the source
We will deprecate the following models across all GitHub Copilot experiences (including Copilot Chat, inline edits, ask and agent modes, and code completions), on September 1st, 2026:
github.blog

Visit source ↗github.blog

Announced: 31 Jul 2026 21:26 UTC
Detected: 04 Aug 2026 08:10 UTC (+3d after)

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