Microsoft is signaling a shift in its AI priorities, favoring Anthropic's Claude Sonnet 4 over OpenAI's GPT-5 models in its flagship developer tool, Visual Studio Code.

For coding, that means I can see how different algorithms or functions relate to each other at a glance instead of digging ...

The current release provides Agent Mode with a new level of security and allows automatic selection of a language model in Copilot Chat.