Claude Sonnet 4.5 retirement date and replacement
GitHub Copilot · Model · retired Sep 1, 2026 (23 days ago)Unverified
Dates
Checked Sep 25, 2026 on GitHub's page| Retired | Sep 1, 2026 (23 days ago) |
|---|---|
| Replacement | Claude Sonnet 5 |
| Notice | Retirement date; Model retirement history |
| Source | docs.github.com/en/copilot/reference/ai-models/supported-models |
Changes
Around the same time on GitHub Copilot
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