Model and API retirements

Within 30 days64Firm dates ahead558

64 within 30 days · 558 firm dates ahead

Gemini 3 Flash retirement date and replacement

GitHub Copilot · Model · retired Jul 31, 2026 (retired)Unverified

Vendor page

Dates

Checked Nov 9, 2026 on GitHub's page
RetiredJul 31, 2026 (retired)
ReplacementLatest Gemini Flash model
What it isGemini 3 Flash stopped answering on GitHub Copilot.
Sourcedocs.github.com/en/copilot/reference/ai-models/supported-models

Changes

ReplacementUnverified

GitHub changed the replacement for Gemini 3 Flash from Gemini 3.6 Flash to Latest Gemini Flash model.

Oct 5Source

Around the same time on GitHub Copilot

GitHub
GitHub CopilotModelUnverified

Claude Opus 4.6 (fast mode) (preview)

Stopped answering on GitHub Copilot.

retiredJun 29
GitHub CopilotModelUnverified

Gemini 2.5 Pro

Stopped answering on GitHub Copilot.

retiredJul 31
GitHub CopilotModelUnverified

Claude Opus 4.5

Stopped answering on GitHub Copilot.

retiredSep 1
GitHub CopilotModelUnverified

Claude Sonnet 4.5

Stopped answering on GitHub Copilot.

retiredSep 1
GitHub CopilotModelUnverified

Gemini 3.1 Pro

Stopped answering on GitHub Copilot.

retiredSep 1
GitHub CopilotModelUnverified

Raptor mini

Stopped answering on GitHub Copilot.

retiredSep 1
GitHub CopilotModelUnverified

MAI-Code-1-Flash

Stopped answering on GitHub Copilot.

60 days agoSep 10