codex-plugin-cc
Use Codex from Claude Code to review code or delegate tasks.
The Lens
By Erik Loyd, SaaS CEO and former COO/CFO of an AWS Premier Partner.
Updated Oct 2026
codex-plugin-cc is OpenAI's official plugin for running Codex inside Claude Code. It adds a read-only Codex review, a steerable "adversarial" review that challenges your design, and /codex:rescue to hand Codex a bug in the background. The plugin is free under Apache 2.0.
Setup is four commands in Claude Code, ending with /codex:setup, which checks for the Codex CLI and offers to install it. It uses your existing Codex login and config. /codex:transfer turns a Claude Code session into a Codex thread you can resume in Codex.
The real cost is Codex usage: you sign in with a ChatGPT account or an OpenAI API key, and every review counts against your Codex limits. The README says a free ChatGPT account works, but OpenAI pitches Free and Go ($8/month) at quick tasks; Plus at $20/month is the first plan listed with Codex in the CLI. Solo and small teams: Plus per developer. Larger teams: Business or Enterprise for SSO.
The catch: you're paying for two agents. Claude Code needs its own plan, and the optional review gate runs a Codex review every time Claude tries to stop, which OpenAI warns may drain usage limits quickly. No commits since early July.
Free vs Self-Hosted vs Paid
fully freeFree: The plugin is free and Apache 2.0. It needs Claude Code, Node.js 18.18 or later, and the Codex CLI (npm install -g @openai/codex, which /codex:setup can install for you). Codex usage itself is not free: it comes out of your ChatGPT plan or API key.
Self-hosted: Nothing to host. The plugin delegates to the Codex CLI and app server on your own machine, using the same login and the same ~/.codex/config.toml (or project .codex/config.toml) you already have.
Paid: Codex comes with ChatGPT plans, monthly prices per OpenAI's pricing page (October 2026): Free $0, Go $8/month, Plus $20/month, Pro at $100, $200 or $500/month, plus Business and Enterprise. Free and Go are pitched at quick, lightweight tasks in the desktop app; Plus is the first tier listed with Codex in the CLI. Sign in with an API key instead and usage bills at API rates. Claude Code is billed separately by Anthropic.
The plugin is free, but every review spends Codex usage: a ChatGPT plan (Plus is $20/month) or API-rate billing, on top of whatever you already pay for Claude Code.
What to do by team size
- Solo
- free plugin plus ChatGPT Plus at $20/month for regular second-opinion reviews
- Small team
- free plugin; Plus per developer, and leave the review gate off
- Medium team
- free plugin; ChatGPT Business for workspace admin, or an API key for automated reviews
- Large team
- free plugin; ChatGPT Enterprise if you need SCIM, audit logs and retention controls on the Codex side
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Trust Signals
License: Apache License 2.0
Use freely. Patent grant included.
Commercial use: ✓ Yes
About
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- OpenAI (Organization)
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- Microsoft
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