Coding assistant
OpenAI Codex
OpenAI’s coding agent, available in the desktop app, CLI, IDE extension, and on the web.
A natural pick if you already pay for ChatGPT and want an agent that can take coding tasks. The Free plan is limited to quick tasks; most features start on Plus.
- Vendor
- OpenAI
- Price
- Free tier, paid plans available
- Experience
- Intermediate
- Platforms
- Web, Terminal, VS Code, macOS, iOS
- Last reviewed
- October 15, 2026
- Free tier
- Yes
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Jobs it fits
- Write code — A natural pick if you already pay for ChatGPT and want an agent that can take coding tasks. Fit score 90.
- Add a backend — The agent can take coding tasks in a repository, including backend work. Fit score 68.
- Build an agent — Codex is an agent that takes coding tasks in the app, CLI, or IDE. Fit score 58.