Claude Opus 5.5 is now available in GitHub Copilot
GitHub Changelog: Claude Opus 5.5, Anthropic’s newest Opus model, is now available in GitHub Copilot. Claude Opus 5.5 is now available in GitHub Copilot
By Dillip Chowdary • Sep 25, 2026 • Source: GitHub Changelog
What shipped in Claude Opus 5.5 is now available in GitHub

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GitHub Changelog reports: Claude Opus 5.5 is now available in GitHub Copilot. Claude Opus 5.5, Anthropic’s newest Opus model, is now available in GitHub Copilot. You can use it for agentic coding, long-running agentic tasks, and knowledge work. In early testing, Opus… The post Claude Opus 5.5 is now available in GitHub Copilot appeared first on The GitHub Blog .
What you gain from Claude Opus 5.5 is now available in GitHub
For primary quotes and complete technical detail, see GitHub Changelog's original report linked above.
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Dillip Chowdary
Writes Tech Bytes coverage of AI, engineering, and the tools that actually ship. Editor of Tech Pulse Daily.
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