Codex vs. Cursor: Which should you use? [2026]

When building software, how comfortable would you be leaving the room? Describe what needs to be done, hand it to an AI, and come back to review the result. Just the same as a senior developer reviewing a junior's pull request, but this time, the junior is a machine. Right now, the best AI coding tools are competing on their delegation features, offering more ways to put models to work on their own. Codex is designed exactly for that. Cursor, on the other hand, started as an AI pair programmer t