Model and API retirements

64 within 30 days · 558 firm dates ahead

o4-mini retirement date and replacement

GitHub Copilot · Model · retired Oct 23, 2025 (retired)Unverified

Vendor page

Dates

Checked Nov 9, 2026 on GitHub's page
RetiredOct 23, 2025 (retired)
ReplacementLatest GPT mini model
What it iso4-mini stopped answering on GitHub Copilot.
Sourcedocs.github.com/en/copilot/reference/ai-models/supported-models

Changes

ReplacementUnverified

GitHub changed the replacement for o4-mini from GPT-5 mini to Latest GPT mini model.

Oct 5Source
GitHub
GitHub CopilotModelUnverified

Claude Opus

Stopped answering on GitHub Copilot.

retiredOct 23, 2025
GitHub CopilotModelUnverified

Claude Sonnet 3.7

Stopped answering on GitHub Copilot.

retiredOct 23, 2025
GitHub CopilotModelUnverified

Claude Sonnet 3.7 Thinking

Stopped answering on GitHub Copilot.

retiredOct 23, 2025
GitHub CopilotModelUnverified

Gemini 2.0 Flash

Stopped answering on GitHub Copilot.

retiredOct 23, 2025
GitHub CopilotModelUnverified

o1-mini

Stopped answering on GitHub Copilot.

retiredOct 23, 2025
GitHub CopilotModelUnverified

o3

Stopped answering on GitHub Copilot.

retiredOct 23, 2025
GitHub CopilotModelUnverified

o3-mini

Stopped answering on GitHub Copilot.

retiredOct 23, 2025
GitHub CopilotModelUnverified

Claude Sonnet 3.5

Stopped answering on GitHub Copilot.

retiredNov 6, 2025