Anthropic's Claude Sonnet 4.5 Integrated into GitHub Copilot

Anthropic's Claude Sonnet 4.5 is now generally available in GitHub Copilot, according to The GitHub Blog. This release allows Copilot Enterprise, Copilot Business, Copilot Pro, and Copilot Pro+ customers to access the advanced model across multiple platforms, including GitHub.com, GitHub Mobile, Visual Studio Code, Visual Studio, JetBrains IDEs, Xcode, and Eclipse.

Access and Integration

Users can access Claude Sonnet 4.5 through the GitHub Copilot Chat, utilizing the chat model picker in agent, ask, or edit modes. The integration aims to streamline coding processes by providing advanced AI-driven assistance across various development environments. Administrators for Copilot Business and Copilot Enterprise must enable the new policy to allow organizational access, facilitating the model's integration into existing workflows.

Enabling for Individual Users

For individual users, enabling Claude Sonnet 4.5 is straightforward. Users can select the model in the supported IDE's model picker and confirm a one-time prompt to gain access. This feature is expected to enhance the coding experience by leveraging the sophisticated capabilities of Claude Sonnet 4.5, offering improved suggestions and coding assistance.

Copilot Coding Agent

The Copilot coding agent will now utilize Claude Sonnet 4.5 for all subscription types, ensuring that users benefit from the enhanced features regardless of their specific Copilot Chat and IDE settings. This universal application is designed to optimize coding efficiency and accuracy for all users.

Feedback and Community Engagement

GitHub encourages users to provide feedback and engage with the community regarding their experiences with Claude Sonnet 4.5. Users can join discussions within the GitHub Community to share insights and suggestions, further refining the tool's functionality in real-world applications.

For more detailed information on the available models in Copilot and to get started, users can refer to the official documentation provided by GitHub.