Microsoft favors Anthropic over OpenAI for Visual Studio Code
Microsoft is adding automatic AI model selection to its Visual Studio Code editor that will automatically pick the best model for "optimal performance." This new auto model feature will select between Claude Sonnet 4, GPT-5, GPT-5 mini and other models for GitHub Copilot free users, but paid users will "primarily rely on Claude Sonnet 4."
It's a tacit admission from Microsoft that the software maker is favoring Anthropic's AI models over OpenAI's latest GPT-5 models for coding and development. Sources familiar with Microsoft's developer plans tell me that the company has been instructing its own developers to use Claude Sonnet 4 in recent m …