It is designed for well-scoped everyday work like building features and fixing bugs.

In our early testing, Sonnet 5.5 stood out for its efficiency, matching Claude Sonnet 5 on coding tasks while using significantly fewer steps, tokens, and tool calls.

It also finished tasks noticeably faster.

This model is billed at provider list pricing under usage-based billing.

See Models and pricing for GitHub Copilot for details.

Claude Sonnet 5.5 is available to Copilot Pro, Pro+, Max, Business, and Enterprise users.

You can select the model in the model picker in: Visual Studio Code Visual Studio Copilot CLI GitHub Copilot coding agent GitHub Copilot app github.com GitHub Mobile on iOS and Android JetBrains IDEs Xcode Eclipse Rollout will be gradual.

Check back soon if you don’t see it yet.

Copilot Enterprise and Copilot Business plan administrators can manage access to Claude Sonnet 5.5 through the model policy in Copilot settings.

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