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Claude Opus 4.1 retirement date and replacement

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

Vendor page

Dates

Checked Sep 25, 2026 on GitHub's page
RetiredFeb 17, 2026 (retired)
ReplacementClaude Opus 5
NoticeRetirement date; Model retirement history
Sourcedocs.github.com/en/copilot/reference/ai-models/supported-models

Changes

DateChange
Sep 25Announced2026-02-17UnverifiedRetirement date; Model retirement historySource

Around the same time on GitHub Copilot

GitHub
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