Bottom line: Codex aims to streamline routine programming work and set a new standard for AI-driven software engineering. As the technology matures, OpenAI envisions Codex and similar agents ...

Codex is powered by codex-1, a version of the company’s o3 AI reasoning model optimized for software engineering tasks. OpenAI says codex-1 produces “cleaner” code than o3, adheres more ...

Powered by the latest o3 AI reasoning model fine-tuned specifically for software engineering, Codex is designed to act as a "virtual coworker," helping developers write code, fix bugs, run tests ...