OpenAI's Codex app is now on mobile via ChatGPT for iOS and Android. Here's what it does, how to set it up, how it compares to Claude Code mobile.

Codex is going mobile. The coding tool — which OpenAI launched approximately a year ago — has now been integrated into the ChatGPT app, allowing users to monitor and manage their development workflows ...

OpenAI rolled out a significant Codex update centered on GPT-5 Codex, a specialized version of GPT-5 tuned for agentic ...

Last Friday, OpenAI introduced a new coding system called Codex, designed to perform complex programming tasks from natural language commands. Codex moves OpenAI into a new cohort of agentic coding ...

OpenAI continues to push Codex beyond an agentic coding desktop app to a general productivity tool for everyone. As part of that effort, the company shared three enterprise-focused Codex updates today ...