Models & Labs
Claude Opus 5.5 arrives in GitHub Copilot
GitHub Changeloghigh confidence
Why it matters
- →Opus 5.5 offers improved token efficiency in agentic coding tasks compared to its predecessor.
- →Enterprise admins can now control access via model policies within Copilot settings.
- →The model is available across all major IDEs including VS Code, JetBrains, and Xcode.
GitHub has added Anthropic's Claude Opus 5.5 to its Copilot platform, available to Pro+, Max, Business, and Enterprise subscribers. The update brings a new model tier that reportedly resolves tasks with fewer steps and tokens compared to the previous Opus version, while maintaining error recovery capabilities in agentic coding scenarios. Access is managed through existing model policies, with automatic enablement for new plans unless disabled by administrators. The feature is rolling out gradually across Visual Studio Code, JetBrains IDEs, Xcode, and other supported environments.
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GitHub deprecates SHA-1 SSH keys, adds post-quantum crypto
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GitHub Deprecates All-Platform CodeQL Bundle
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