Understand your codebase
Inspect project files and answer questions with repository context.
OpenAICLI
Codex CLI
Codex CLI is OpenAI’s official coding agent for inspecting, editing, and running code from your terminal.
It works against your local repository, lets you control models and permissions, and supports interactive tasks as well as repeatable scripts and CI workflows.
Codex CLI
Install
$ npm install -g @openai/codexLaunch
$ codexWhat can Codex CLI do?
Edit and debug code
Make focused changes, find issues, and run checks in your local environment.
Run commands and automate
Use shell tools interactively or call codex exec from scripts and CI pipelines.
Pricing
Individual
ChatGPT Free
Free
Individual
ChatGPT Go
$8.00/month
Individual
ChatGPT Plus
$20.00/month
Individual
ChatGPT Pro 5x
$100.00/month
Individual
ChatGPT Pro 20x
$200.00/month
Developer
API Key
Usage-based
Business
ChatGPT Business (annual)
$20.00/user/month
Business
ChatGPT Business (monthly)
$25.00/user/month
Enterprise
ChatGPT Enterprise & Edu
Contact sales
Related Products
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Codex App
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Extension · OpenAI
Codex
OpenAI's Codex is an AI coding assistant extension for your IDE. It reads, modifies, and runs code through natural language commands, enabling building, debugging, and automating coding tasks.
Frequently asked questions
Does OpenAI have a Codex CLI?
Yes. Codex CLI is OpenAI’s command-line coding agent for inspecting, editing, and running code in local repositories.
How do I install Codex CLI?
Use the install command shown for your operating system, then run codex from a project directory and sign in with ChatGPT or an API key.
Can Codex CLI edit files and run commands?
Yes. It can inspect and modify files, run local tools, and execute checks subject to the permissions you choose.
Which operating systems does Codex CLI support?
Codex CLI supports macOS, Windows, and Linux. Use the platform-specific installation command shown on this page, then launch it with codex from a project directory.
Is Codex CLI free?
Codex is available through several ChatGPT plans, including Free, and can also use an API key with usage-based billing. Limits and features vary by plan.