Model and API retirements

Within 30 days64Firm dates ahead558

64 within 30 days · 558 firm dates ahead

Claude Sonnet 3.7 Thinking retirement date and replacement

GitHub Copilot · Model · retired Oct 23, 2025 (retired)Unverified

Vendor page

Dates

Checked Nov 9, 2026 on GitHub's page
RetiredOct 23, 2025 (retired)
ReplacementLatest Claude Sonnet model
What it isClaude Sonnet 3.7 Thinking stopped answering on GitHub Copilot.
Sourcedocs.github.com/en/copilot/reference/ai-models/supported-models

Changes

ReplacementUnverified

GitHub changed the replacement for Claude Sonnet 3.7 Thinking from Claude Sonnet 4.6 to Latest Claude Sonnet model.

Oct 5Source

Around the same time on GitHub Copilot

GitHub
GitHub CopilotModelUnverified

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retiredOct 23, 2025
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Claude Sonnet 3.7

Stopped answering on GitHub Copilot.

retiredOct 23, 2025
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Gemini 2.0 Flash

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retiredOct 23, 2025
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o1-mini

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retiredOct 23, 2025
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o3

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retiredOct 23, 2025
GitHub CopilotModelUnverified

o3-mini

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retiredOct 23, 2025
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o4-mini

Stopped answering on GitHub Copilot.

retiredOct 23, 2025
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Claude Sonnet 3.5

Stopped answering on GitHub Copilot.

retiredNov 6, 2025