OpenAI Codex is a coding agent powered by ChatGPT that helps developers build, test, and ship software. It can run tasks in parallel, generate and review code changes, and automate repeatable workflows, while working with existing tools and secure sandboxed environments.
Visual Studio Code 1.104 brings major AI and safety improvements. GitHub Copilot now automatically selects the best AI model for each task, supporting GPT-5, Claude Sonnet 4, and Gemini Pro 2.5.
Visual Studio Code has introduced a revamped tool picker and support for over 128 tools per agent request in MCP. Chat now features GPT-5 integration and checkpoints to restore previous states. Users can now manage multiple Git branches simultaneously, too.