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Code Generator · Freemium
OpenAI Codex logo - Code Generator

OpenAI Codex

OpenAI Codex is a coding agent for real engineering work, available as an open-source CLI, IDE extension, cloud agent and desktop app, with multi-agent workflows, automatic PR review and plugins, linked to your ChatGPT account.

  • code generator
  • openai codex
  • coding agent
  • codex cli
  • open source
  • cloud agent
  • pr review
  • vs code
  • multi agent
  • openai
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Updated Oct 12, 2026

Pricing Freemium

Rating No reviews yet

OpenAI Codex preview - Code Generator

Standout Features

What makes OpenAI Codex stand out

  • Open-source Codex CLI
  • Cloud agent that keeps running
  • Multi-agent workflows
  • Included with ChatGPT plans

Key Features

What’s in the toolkit?

  • 01

    Codex CLI (Apache-2.0)

  • 02

    IDE extension

  • 03

    Codex cloud environments

  • 04

    Desktop app

  • 05

    Multi-agent workflows

  • 06

    Computer and browser tools

  • 07

    Automatic PR review

  • 08

    Plugins for GitHub, Slack, Figma and more

  • 09

    Resume tasks across devices

  • 10

    API key mode

  • 11

    Latest GPT models

What is OpenAI Codex?

Build anything with Codex

OpenAI Codex handles features, refactors, reviews and releases across the terminal, IDE and cloud.

Key capabilities

  • Codex CLI (open source).
  • IDE extension for VS Code, Cursor and Windsurf.
  • Codex cloud with per-repo environments.
  • Multi-agent parallel workflows.
  • Automatic PR review and plugins.

Who it's for

Included with ChatGPT plans, Codex is a powerful agentic code generator for developers.

Pricing
Freemium
Company
OpenAI
Platform Access
3 features

Use Cases

Where teams put it to work

  • 01

    Feature development

  • 02

    Refactoring

  • 03

    Code review

  • 04

    Background cloud tasks

Workflow

How to use OpenAI Codex?

  1. 01

    Install the Codex CLI or IDE extension.

  2. 02

    Sign in with ChatGPT.

  1. 03

    Describe a task for your repo.

  2. 04

    Review the diff or PR.

Pros & Cons

Is OpenAI Codex right for you?

Pros

3
  • Open-source CLI
  • Works in the cloud
  • Bundled with ChatGPT

Cons

2
  • Usage limits by plan
  • Best limits on Pro

Pricing

Pricing for OpenAI Codex

Freemium

Codex is included with ChatGPT: Free and Go have limited access, Plus is $20/month, Pro from $100/month and Business $20–25/user/month. API key usage is billed at API rates.

Who is it for

Who is OpenAI Codex for?

Software engineers.Teams on ChatGPT Business.
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