OpenAI Codex

Ordinary assistants complete a few lines; Codex goes further and takes on the whole thing. OpenAI Codex is a coding agent: you state the need and it writes code, fixes bugs, runs tests, and opens pull requests — participating in and completing the whole task.

Features

Coding Agent: Participates in and completes tasks.

Write & Fix: Code, debug, and test.

Pull Requests: Proposes code changes directly.