GitHub has announced that Claude 3.7 Sonnet is now available in GitHub Copilot for users with Copilot Pro, Business, and Enterprise plans. This new model is not currently available in Copilot Free. The new model selection feature in GitHub Copilot allows users to directly choose from different models, including 4o, o3mini, o1, Claude 3.5 Sonnet, and Gemini 2.0 Flash. The update is now available in public preview and can be accessed by visiting the GitHub blog.