Codex, optimized for Codex, with GitHub reviews, IDE support, CLI updates, and long-duration task handling for developers.

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

From cloud hand-offs to GitHub reviews, GPT-5-Codex is optimized for agentic coding and designed to supercharge developer workflows.

Microsoft rolls out Visual Studio Code version 1.104 with auto model selection, new AI safeguards, and productivity improvements.