Codex CLI is an open-source coding agent from OpenAI, written primarily in Rust, that runs locally on your computer. Codex IDE extension is a coding agent that runs in Visual Studio Code and its forks ...

Claude Code and OpenAI Codex can do much more than simply answer coding questions. They can work with files, run commands, change projects, and handle longer development tasks. The problem is that ...

75% of developers I surveyed prefer Claude Code - here's why they choose it over Codex ...

Anthropic's Claude Code for VS Code has surpassed OpenAI's Codex extension in Visual Studio Code Marketplace installs and review volume despite launching later. OpenAI positions Codex as an IDE ...

Send your feature requests to Codex instead.

OpenAI is rolling out GPT-5-Codex, a new, fine-tuned version of its GPT-5 model designed specifically for software engineering tasks in its AI-powered coding assistant, Codex. The release is part of a ...