codex
Lightweight coding agent that runs in your terminal
What is it?
What it is
If you want Codex in your code editor (VS Code, Cursor, Windsurf), <a href="https://developers.openai.com/codex/ide">install in your IDE.</a>
Why it exists
Lightweight coding agent that runs in your terminal
Who should use it
Teams building with Rust who want an open-source, self-hosted option.
Who should avoid it
Teams that need a fully managed SaaS with enterprise SLAs out of the box.
How it works
A quick walkthrough in plain English
How codex works
Step 1 of 3
You interact with it
Open codex, send a request, or connect it to your stack.
Features
Advantages
- Open source (Apache-2.0)
- Active Rust ecosystem
- Self-hosted deployment options
Disadvantages
- Requires operational ownership for self-hosted setups
- Community support varies by project maturity
Installation
native
curl -fsSL https://chatgpt.com/codex/install.sh | sh
FAQ
What is codex?
codex is an open-source project licensed under Apache-2.0.
What language is codex built with?
Primary language: Rust.
Is it free to use?
Yes. Licensed under Apache-2.0. Check the license for commercial use.
Featured in Videos
YouTube tutorials and walkthroughs for codex
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