Codex
Properties
created
28.03.2026, 10:35
modified
01.08.2026, 11:15
published
Empty
sources
openai/codex · Codex Documentation
topics
Coding Agent, CLI Tooling, Agent Harness
authors
Jakub
ai-assisted
Yes
- Codex is a lightweight coding agent by OpenAI that runs locally in your terminal.
- Related: Agent Harness
# Setup
- Install with npm:
npm i -g @openai/codex - Install with Homebrew:
brew install --cask codex - Alternative install: download platform binaries from GitHub Releases
# Authentication
- Run
codexand choose sign-in with ChatGPT for supported plans. - API key auth is also supported via the docs: Auth guide
# Product surfaces
- CLI for local terminal usage
- IDE integration for VS Code, Cursor, and Windsurf
- Desktop app via
codex app - Codex Web at chatgpt.com/codex
# Notes
- Repository license: Apache-2.0.
- For latest stars and releases, check GitHub directly.