Upcoming August 2026 model deprecations in GitHub Copilot retirement date and replacement

Name: Upcoming August 2026 model deprecations in GitHub Copilot retires (GitHub)
Start: 2026-09-01
End: 2026-09-01

GitHub · Model · retired Sep 1, 2026 (24 days ago)Unverified

Dates

Checked Sep 25, 2026 on GitHub's page

Retired	Sep 1, 2026 (24 days ago)
Announced	Jul 31, 2026
Replacement	None named
Notice	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: Model Deprecation date Suggested alternative Gemini 3.1
Source	github.blog/changelog/2026-07-31-upcoming-august-2026-model-deprecations-in-github-copilot

Date	Change	Source
Sep 25	Announced2026-09-01UnverifiedWe 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: Model DeprecatioSource	Source