Codex is OpenAI’s series of AI coding tools that help developers move faster by delegating tasks to powerful cloud and local coding agents.

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

6 days ago · “The vast majority of Codex is built by Codex,” OpenAI told us about its new AI coding agent writing code.

Dec 5, 2025 · GPT-5.1-codex-max delivers efficiency at scale, cross-platform readiness, and proven performance with top scores on SWE-Bench (77.9), the gold standard for AI coding. With GPT-5.1 …

The codex had several advantages over the roll, or scroll. It could be opened at once to any point in the text, it enabled one to write on both sides of the leaf, and it could contain long texts. The difference …

5 days ago · OpenAI has claimed that it built and shipped the Sora Android app in just 28 days, relying heavily on its AI coding agent, Codex. The company said the initial production version of Sora for …

What is a Codex? A codex is essentially an ancient book, consisting of one or more quires of sheets of papyrus or parchment folded together to form a group of leaves, or pages.

May 16, 2025 · With Codex, developers can simultaneously deploy multiple agents to independently handle coding tasks such as writing features, answering questions about your codebase, fixing bugs, …

A codex is a Latin term that refers to a manuscript, typically handwritten and bound in book form. Books might seem like an old technology, but that wasn’t always the case.

codex sha256:16496b4a6048611e551ed7c0a1ec9eff363ca93696294eb60af84c9eeb566e32 3.42 KB 3 days ago