Model and API retirements

Within 30 days64Firm dates ahead558

64 within 30 days · 558 firm dates ahead

GPT-5 retirement date and replacement

GitHub Copilot · Model · retired Feb 17, 2026 (retired)Unverified

Vendor page

Dates

Checked Nov 9, 2026 on GitHub's page
RetiredFeb 17, 2026 (retired)
ReplacementLatest GPT model
What it isGPT-5 stopped answering on GitHub Copilot.
Sourcedocs.github.com/en/copilot/reference/ai-models/supported-models

Changes

ReplacementUnverified

GitHub changed the replacement for GPT-5 from GPT-5.5 to Latest GPT model.

Oct 5Source

Around the same time on GitHub Copilot

GitHub
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Claude Opus 4.1

Stopped answering on GitHub Copilot.

retiredFeb 17
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GPT-5-Codex

Stopped answering on GitHub Copilot.

retiredFeb 17
GitHub CopilotModelUnverified

Gemini 3 Pro

Stopped answering on GitHub Copilot.

retiredMar 26
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GPT-5.1-Codex

Stopped answering on GitHub Copilot.

retiredApr 1
GitHub CopilotModelUnverified

GPT-5.1-Codex-Max

Stopped answering on GitHub Copilot.

retiredApr 1
GitHub CopilotModelUnverified

GPT-5.1-Codex-Mini

Stopped answering on GitHub Copilot.

retiredApr 1