Model and API retirements

Within 30 days64Firm dates ahead558

64 within 30 days · 558 firm dates ahead

Gemini 3 Pro retirement date and replacement

GitHub Copilot · Model · retired Mar 26, 2026 (retired)Unverified

Vendor page

Dates

Checked Nov 9, 2026 on GitHub's page
RetiredMar 26, 2026 (retired)
ReplacementLatest Gemini Flash model
What it isGemini 3 Pro stopped answering on GitHub Copilot.
Sourcedocs.github.com/en/copilot/reference/ai-models/supported-models

Changes

ReplacementUnverified

GitHub changed the replacement for Gemini 3 Pro from Gemini 3.8 Flash to Latest Gemini Flash model.

Oct 5Source

Around the same time on GitHub Copilot

GitHub
GitHub CopilotModelUnverified

Claude Opus 4.1

Stopped answering on GitHub Copilot.

retiredFeb 17
GitHub CopilotModelUnverified

GPT-5

Stopped answering on GitHub Copilot.

retiredFeb 17
GitHub CopilotModelUnverified

GPT-5-Codex

Stopped answering on GitHub Copilot.

retiredFeb 17
GitHub CopilotModelUnverified

GPT-5.1-Codex

Stopped answering on GitHub Copilot.

retiredApr 1
GitHub CopilotModelUnverified

GPT-5.1-Codex-Max

Stopped answering on GitHub Copilot.

retiredApr 1
GitHub CopilotModelUnverified

GPT-5.1-Codex-Mini

Stopped answering on GitHub Copilot.

retiredApr 1
GitHub CopilotModelUnverified

GPT-5.1

Stopped answering on GitHub Copilot.

retiredApr 15
GitHub CopilotModelUnverified

Claude Sonnet

Stopped answering on GitHub Copilot.

retiredMay 1