
Codex CLI
Lightweight coding agent that runs in your terminal
Quick Answer
Codex CLI is OpenAI's coding agent that runs locally in your terminal, and also inside VS Code, Cursor and Windsurf or as a desktop app. It installs via curl, npm or Homebrew and is open source under Apache-2.0. Best for developers who want an agentic coding assistant in the shell. Access requires a ChatGPT Plus, Pro, Business, Edu or Enterprise plan, or an API key.
Codex CLI is OpenAI's coding agent that runs locally on your computer from the terminal. It can also be used inside code editors such as VS Code, Cursor and Windsurf, or as a desktop app. The repository is open source under Apache-2.0, and access requires signing in with a ChatGPT Plus, Pro, Business, Edu or Enterprise account, or using an API key.
Codex CLI is OpenAI's open-source coding agent that runs locally in your terminal, and the same agent can be used in VS Code, Cursor and Windsurf or as a desktop app.
Decision Intelligence
Best For
Type
Billing Cycle
Monthly
Free Trial
No
Credit Card
Not Required
Free Plan
Yes
Dimension Scores
· 6.2 avgHow good it is, across universal quality axes
Task Scores
· 7.3 avgWhat it can do, per category it works in · showing 10 of 10 tasks scoring 5+
Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →
- -Requires a paid ChatGPT plan (Plus, Pro, Business, Edu or Enterprise) or an API key to use
- -Usage limits are governed by the underlying ChatGPT plan, not by the CLI itself
- -Support is via the open-source GitHub repository and the OpenAI help centre
Complexity
Company Size
Target Team Size
Target Skill Level
Privacy & data handling
The Model(s) Behind It
Model details — extracted from public vendor sources by our pipeline (AI extraction plus a source check) or admin-entered. Shown as claimed by the vendor; not independently audited by Intelloro.
Base Models
Uses Models

Private, uncensored AI — chat, image, video & agents

AI code reviews — the validation layer for AI-generated code

Trusted financial data & AI automation for equity research

Cloud platform for coding agents

Privacy-first personal AI assistant platform. Self-hosted. Your data stays yours.
Connect your favorite tools
Review code and manage pull requests
Auto-updated
Trust Score
Excellent
Based on 15 data signals
Confidence: High
Reflects publicly available data, not an independent audit
Not yet checked
AI Governance & Regulatory Disclosures
Legally-sensitive fields — extracted from public vendor sources by our pipeline (AI extraction plus a source check) or admin-entered. Shown as claimed by the vendor; not independently audited by Intelloro.
Pricing verified from the vendor pricing page.
User Reviews
No reviews yet. Be the first to review!
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Who It's For4 rolesSoftware DevelopersComputer ProgrammersWeb Developers+1 more
Platform, Content & Languages1 content types1 languagesCodeEnglish+4 more
Content Types
Accepts
Produces
Frequently Asked Questions
What can Codex CLI do?
Codex CLI can: Local agentic coding from the terminal, IDE integration for VS Code, Cursor and Windsurf, Desktop app mode via `codex app`, Install via curl/PowerShell script, npm or Homebrew. Best for: Developers who want an AI coding agent that runs locally in their terminal.
How much does Codex CLI cost?
Codex CLI is open source and free to self-host. Cloud hosting options may have separate pricing.
Is Codex CLI free?
Yes, Codex CLI is open source and free to self-host. Managed hosting may carry separate costs.
What makes Codex CLI unique?
Codex CLI is OpenAI's open-source coding agent that runs locally in your terminal, and the same agent can be used in VS Code, Cursor and Windsurf or as a desktop app.
Does Codex CLI have an API?
Yes, Codex CLI offers a public API for developers to integrate its capabilities into custom applications and workflows.
What platforms does Codex CLI support?
Codex CLI is available on CLI and API.
What languages does Codex CLI support?
Codex CLI supports English.
Does Codex CLI work offline?
Yes, Codex CLI supports offline use — you can run it without an active internet connection.
Who is Codex CLI for?
Codex CLI is designed for Developers who want an AI coding agent that runs locally in their terminal; Teams already on a ChatGPT Business or Enterprise plan wanting agentic coding included; Developers working in VS Code, Cursor or Windsurf who want the same agent in their IDE.
