GPT-5.1-Codex-Max retirement date and replacement
GitHub Copilot · Model · retired Apr 1, 2026 (retired)Unverified
Dates
Checked Sep 25, 2026 on GitHub's page| Retired | Apr 1, 2026 (retired) |
|---|---|
| Replacement | GPT-5.3-Codex |
| 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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