Model and API retirements

64 within 30 days · 558 firm dates ahead

Claude Sonnet retirement date and replacement

GitHub Copilot · Model · retired May 1, 2026 (retired)Unverified

Vendor page

Dates

Checked Nov 9, 2026 on GitHub's page
RetiredMay 1, 2026 (retired)
ReplacementLatest Claude Sonnet model
What it isClaude Sonnet stopped answering on GitHub Copilot.
Sourcedocs.github.com/en/copilot/reference/ai-models/supported-models

Changes

ReplacementUnverified

GitHub changed the replacement for Claude Sonnet from Claude Sonnet 4.6 to Latest Claude Sonnet model.

Oct 5Source
GitHub
GitHub CopilotModelUnverified

Gemini 3 Pro

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retiredMar 26
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GPT-5.1-Codex

Stopped answering on GitHub Copilot.

retiredApr 1
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GPT-5.1-Codex-Max

Stopped answering on GitHub Copilot.

retiredApr 1
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GPT-5.1-Codex-Mini

Stopped answering on GitHub Copilot.

retiredApr 1
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GPT-5.1

Stopped answering on GitHub Copilot.

retiredApr 15
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Grok Code Fast

Stopped answering on GitHub Copilot.

retiredMay 15
GitHub CopilotModelUnverified

GPT-4.1

Stopped answering on GitHub Copilot.

retiredJun 1
GitHub CopilotModelUnverified

GPT-5.2

Stopped answering on GitHub Copilot.

retiredJun 5
GitHub CopilotModelUnverified

GPT-5.2-Codex

Stopped answering on GitHub Copilot.

retiredJun 5