OpenAI Codex
Coding agents · Paid
About
OpenAI's coding agent that works in the cloud, a CLI and IDE extensions to write features, fix bugs and open pull requests.
Key features
- Cloud tasks with parallel runs
- Open-source CLI
- IDE extension
- GitHub pull requests and reviews
Best for
- — Delegating tasks to a cloud agent
- — ChatGPT subscribers who code
- Pricing
- Paid
- Platforms
- Web, CLI, VS Code, macOS, Linux
- Works with
- GitHub, VS Code
- Last checked
- 2026-10-29
- Status
- Listed, not yet tested
Our take
Strong for well-scoped tasks. Review every pull request it opens; large refactors still need guidance.
Features and pricing change often — confirm on openai.com before you commit.
Alternatives to OpenAI Codex
| Tool | Type | Pricing | Best for |
|---|---|---|---|
| OpenAI Codex (this) | Coding agents | Paid | Delegating tasks to a cloud agent |
| Claude Code | Coding agents | Paid | Agentic coding tasks across a repository |
| Gemini CLI | Coding agents | Open source | Free terminal coding agent |
| Cline | Coding agents | Open source | Bring-your-own-model agent in VS Code |
| Aider | Coding agents | Open source | Git-centric terminal workflows |
| Amp | Coding agents | Freemium | Heavy agentic coding |
| Devin | Coding agents | Paid | Delegating backlog tickets |