Copilot removes Gemini 2.5 Pro and Gemini 3 Flash

GitHub removed Gemini 2.5 Pro and Gemini 3 Flash from all Copilot experiences, announced on July 2. Suggested replacements are Gemini 3.1 Pro (Preview) and Gemini 3.6 Flash.

Who is affected:: Copilot users and workflows pinned to Gemini 2.5 Pro or Gemini 3 Flash.
Action needed:: Switch to Gemini 3.6 Flash or another supported model.

Source

"As of today, July 31, 2026, we have deprecated the following models across all GitHub Copilot experiences"

GitHub changelog

Published Jul 31, 2026

Open the sourcegithub.blog

Another source

Deprecation announcementgithub.blog

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