Model and API retirements

Within 30 days64Firm dates ahead558

64 within 30 days · 558 firm dates ahead

GPT-4.1 retirement date and replacement

GitHub Copilot · Model · retired Jun 1, 2026 (retired)Unverified

Vendor page

Dates

Checked Nov 9, 2026 on GitHub's page
RetiredJun 1, 2026 (retired)
ReplacementLatest GPT model
What it isGPT-4.1 stopped answering on GitHub Copilot.
Sourcedocs.github.com/en/copilot/reference/ai-models/supported-models

Changes

ReplacementUnverified

GitHub changed the replacement for GPT-4.1 from GPT-5.5 to Latest GPT model.

Oct 5Source

Around the same time on GitHub Copilot

GitHub
GitHub CopilotModelUnverified

Claude Sonnet

Stopped answering on GitHub Copilot.

retiredMay 1
GitHub CopilotModelUnverified

Grok Code Fast

Stopped answering on GitHub Copilot.

retiredMay 15
GitHub CopilotModelUnverified

GPT-5.2

Stopped answering on GitHub Copilot.

retiredJun 5
GitHub CopilotModelUnverified

GPT-5.2-Codex

Stopped answering on GitHub Copilot.

retiredJun 5
GitHub CopilotModelUnverified

Claude Opus 4.6 (fast mode) (preview)

Stopped answering on GitHub Copilot.

retiredJun 29