OpenAI releases Codex mobile app for ChatGPT users
Original: Codex is now in the ChatGPT mobile app
Why This Matters
Represents shift toward mobile-first AI development workflows as coding assistants become more autonomous
OpenAI launched Codex mobile app preview in ChatGPT, allowing 4+ million weekly users to manage coding workflows remotely. Users can review code, approve commands, and guide AI development work from their phones while maintaining secure connections to development environments.
OpenAI announced Codex is now available in preview within the ChatGPT mobile app, enabling remote collaboration with AI coding workflows. Over 4 million people use Codex weekly, and the mobile integration addresses the need for real-time guidance as AI agents handle longer development tasks. The app provides full-featured access to active Codex sessions running on laptops, Mac minis, or remote environments. Users can review outputs, approve commands, change models, and start new projects while maintaining secure connections through a relay layer that keeps machines off public internet. Key use cases include debugging during commutes, making architectural decisions remotely, and preparing for customer calls. Files, credentials, and permissions remain on the original machines while updates sync in real-time, including screenshots, terminal output, and test results.