OpenAI Codex

by OpenAI

OpenAI's coding agent: open-source CLI plus cloud agent in ChatGPT.

Paid · from $20/mo★ 130k GitHub stars

What people use it for

Run it locally in the terminal or hand off tasks to cloud sandboxes from ChatGPT.

Included with ChatGPT Plus ($20/mo) and higher plans; CLI is open source.

Prices change often. Always confirm on the official site.