Better Models, Smarter Defaults: Claude Sonnet 4, GPT-4.1, and More Control in Visual Studio

We’re excited to share some major improvements to the Copilot experience in Visual Studio, including smarter default models, more choices, and easier ways to manage your usage. Smarter default model Copilot in Visual Studio now uses GPT-4.1 as the default model (previously 4o). In our testing, it delivers significantly better performance—faster responses, higher quality suggestions, […]