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Why It Matters
Claude Sonnet 5.5, Anthropic’s newest Sonnet model, is now generally available in GitHub Copilot.
Provenance
Discovered via GitHub and published by GitHub.
Key Claims
Original description
Claude Sonnet 5.5, Anthropic’s newest Sonnet model, is now generally available in GitHub Copilot. It is designed for well-scoped everyday work like building features and fixing bugs. In our early… The post Claude Sonnet 5.5 in GitHub Copilot appeared first on The GitHub Blog .
Discovered via GitHub
Repository releases, trending projects, and developer updates.
Publisher: github.blog
ID: https://github.blog/changelog/2026-09-28-claude-sonnet-5-5-in-github-copilot · Indexed about 1 hour ago