Sunsetsby GlyphClaude Sonnet 4.5 retirement date and replacement
GitHub Copilot · Model · retired Sep 1, 2026 (retired)Unverified
Dates
Checked Nov 9, 2026 on GitHub's page| Retired | Sep 1, 2026 (retired) |
|---|---|
| Replacement | Latest Claude Sonnet model |
| What it is | Claude Sonnet 4.5 stopped answering on GitHub Copilot. |
| Source | docs.github.com/en/copilot/reference/ai-models/supported-models |
Changes
ReplacementUnverified
GitHub changed the replacement for Claude Sonnet 4.5 from Claude Sonnet 5 to Latest Claude Sonnet model.
Oct 5Source
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