GPT-5.1 retirement date and replacement
GitHub Copilot · Model · retired Apr 15, 2026 (retired)Unverified
Dates
Checked Sep 25, 2026 on GitHub's page| Retired | Apr 15, 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
GitHub- Gemini 3 ProUnverifiedGitHub CopilotModelGemini 3.8 Flash6mo agoMar 26
- GPT-5.1-CodexUnverifiedGitHub CopilotModelGPT-5.3-Codex6mo agoApr 1
- GPT-5.1-Codex-MaxUnverifiedGitHub CopilotModelGPT-5.3-Codex6mo agoApr 1
- GPT-5.1-Codex-MiniUnverifiedGitHub CopilotModelGPT-5.3-Codex6mo agoApr 1
- Claude SonnetUnverifiedGitHub CopilotModelClaude Sonnet 4.65mo agoMay 1
- Grok Code FastUnverifiedGitHub CopilotModelGPT-5 mini4mo agoMay 15