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.

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

OpenAI (OPENAI) on Thursday announced a preview rollout of Codex within the ChatGPT mobile app for iOS and Android, allowing users to manage and monitor coding tasks remotely from their phones. The ...

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 ...

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 ...