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.

Starting this week, GPT-5-Codex will be accessible everywhere, your terminal, IDE, GitHub, and paid ChatGPT users.

OpenAI has launched GPT-5 Codex, an AI model built for software development. It can write, debug, and review code, working interactively or independently on long tasks. Available across Codex tools, ...