OpenAI introduces Codex, a cloud-based software engineering agent powered by codex-1 that can handle multiple coding tasks simultaneously. Now available to ChatGPT Pro, Team, and Enterprise users, Codex can write features, answer codebase questions, fix bugs, and propose pull requests, with each task running in isolated cloud environments. The system emphasizes safety, transparency, and human-like coding preferences, allowing users to verify outputs through citations and test results.