o3 retirement date and replacement
GitHub Copilot · Model · retired Oct 23, 2025 (retired)Unverified
Dates
Checked Nov 9, 2026 on GitHub's page| Retired | Oct 23, 2025 (retired) |
|---|---|
| Replacement | Latest GPT model |
| What it is | o3 stopped answering on GitHub Copilot. |
| Source | docs.github.com/en/copilot/reference/ai-models/supported-models |
Changes
ReplacementUnverified
GitHub changed the replacement for o3 from GPT-5.5 to Latest GPT model.
Oct 5Source
Around the same time on GitHub Copilot
GitHubretiredOct 23, 2025
retiredOct 23, 2025
retiredOct 23, 2025
retiredOct 23, 2025
retiredOct 23, 2025
retiredOct 23, 2025
retiredOct 23, 2025
retiredNov 6, 2025