can i fork it?
open sourceOpen SourceLocal★ 133.5kactive nov 2026

Codex CLI

Terminal-based AI coding agent that inspects files, edits code, runs commands, and integrates into CI pipelines using OpenAI's Codex models.

Technical Profile & Specs

verified 2026-11-07

Cost
$0 / forever (Open Source)
License
Open Source
Hosting Model
Local (on your machine)
Platforms
desktopcross-platformone-click install
Installation
Clone https://github.com/openai/codex or deploy with Docker Compose
Operational Setup
Download the native package or installer for your operating system.
Where Your Data Lives
All application data lives locally on your own machine.
The Catch / Trade-off
Community-driven open source project without dedicated enterprise SLAs.

Replaces 1 paid app

up to $15/mo ($180/yr) in subscriptions

Codex CLI FAQ

Common questions

Is Codex CLI free and open source?+

Codex CLI is an open-source tool licensed under Open Source that runs on local. Terminal-based AI coding agent that inspects files, edits code, runs commands, and integrates into CI pipelines using OpenAI's Codex models.

What paid software does Codex CLI replace?+

Codex CLI serves as a free replacement for 1 paid SaaS application: Claude Code, saving up to $15/month ($180/year) in subscription bills.

How do you install and set up Codex CLI?+

Installation: Clone https://github.com/openai/codex or deploy with Docker Compose. Setup notes: Download the native package or installer for your operating system.

What is the catch or trade-off with Codex CLI?+

Community-driven open source project without dedicated enterprise SLAs.