Model and API retirements

64 within 30 days · 558 firm dates ahead

o3 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 model
What it iso3 stopped answering on GitHub Copilot.
Sourcedocs.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
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-mini

Stopped answering on GitHub Copilot.

retiredOct 23, 2025
GitHub CopilotModelUnverified

o4-mini

Stopped answering on GitHub Copilot.

retiredOct 23, 2025
GitHub CopilotModelUnverified

Claude Sonnet 3.5

Stopped answering on GitHub Copilot.

retiredNov 6, 2025