Codex
OpenAI's coding agent for the desktop app, CLI, IDE, web and cloud, included with ChatGPT plans.
Codex is OpenAI's coding agent. Run it from a desktop app, a CLI, an IDE extension or the web, hand work to cloud agents, review GitHub pull requests with @codex, and extend it with MCP, skills, plugins and subagents. A free plan, then paid ChatGPT plans from $8/mo.
- Better agent
- Better for teams
- Terminal
- Agents
- Cloud agents
- Open source
Who it is for
Pick it if
You want a coding agent across desktop, CLI, IDE and cloud with a free plan, published token rates and an open source CLI.
Skip it if
You want models from other providers, or the CLI, IDE extension and cloud features on the cheapest paid plan.
At a glance
- Category
- IDE / Coding Agent
- Pricing model
- Freemium
- Starting price
- Free
- Plans
- 7 plans, $8–$100/mo
- Free plan
- Yes
- Billing
- Monthly or yearly
- Platforms
- macOS, Windows, Linux, Web, iOS
- Website
- developers.openai.com
Feature coverage
4 yes · 2 partial · 0 not offered or not listed
Editor + agentYes
A desktop app and an IDE extension that run the agent next to your code
Terminal / CLI agentYes
Codex CLI, open source under Apache 2.0, with an SDK and codex exec for scripts
Parallel or background agentsYes
Cloud chats on their own environments, worktrees for parallel local tasks, subagents and scheduled tasks
PR / code-review flowYes
Code review on GitHub when you tag @codex or automatically, local review with /review, and delegation from…
Model choicePartial
OpenAI models only (GPT-6.1 Sol, GPT-6 Luna and Astra); model availability depends on plan, and an API key…
PlatformsPartial
Desktop app for macOS, Windows and Linux, plus the CLI, IDE extension, web and iOS; no Android listed
By the numbers
From the entry paid plan
- Entry price
- Team price
- Platforms supported
- Ways to run the agent
- Model providers
- Extension points
Best in the category
Pricing at a glance
Official pricingFree
$0
Go
$8/mo
Plus
$20/mo
Pro
$100/mo
API Key
Pay as you go
Business
$25 / user/mo
$20 / user/mo yearly
Enterprise & Edu
Custom