The best way to build with agents. Codex accelerates real engineering work, from planning and building features to refactors, reviews, and releases—working seamlessly across your tools.

The official Codex desktop app from OpenAI is your command center for agentic software development. With the Codex app you can: - Multi-task with agents — Run multiple coding agents in parallel, …

Codex CLI is a coding agent from OpenAI that runs locally on your computer. If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE.

Mar 5, 2026 · We selected the name “Codex” as Leonardo da Vinci was the embodiment of the Renaissance ideal. His “Codex”, or notebooks, are a testament to his interest in a multitude of …

Codex is an AI assistant for coding, research, and productivity that helps teams save time and get more work done, from start to finish.

The Codex app is a focused desktop experience for working on Codex threads in parallel, with built-in worktree support, automations, and Git functionality. ChatGPT Plus, Pro, Business, Edu, and …

The Codex Gigas opened to the page with the distinctive portrait of the Devil from which the text received its byname, the Devil's Bible. [1] The Codex Gigas ("Giant Book"; Czech: Obří kniha) is the …

Apr 23, 2026 · Codex + GPT-5.5 = Autonomous dev loop unlocked! What it is: An upgraded Codex powered by GPT-5.5 that can build, test, and fix apps across browser, files, and your computer. …

May 31, 2026 · OpenAI Codex Computer Use arrives on Windows 11, autonomously testing apps and hunting bugs by seeing and clicking through desktop interfaces. Mobile control included. What …

Apr 14, 2026 · OpenAI's 2026 superapp merges Codex, ChatGPT, and Atlas into a single platform, transforming AI usage and developer workflows significantly.