OpenAI Codex Evolves: Smarter, Faster, and More Integrated for Developers OpenAI’s enhanced Codex, now powered by GPT‑5-Codex, supports developers across cloud platforms, terminals, IDEs, and even on mobile devices. Whether you’re debugging, adding features, or managing com... AI coding cloud development code review Codex developer tools GPT‑5-Codex OpenAI security