OpenAI Adds Codex to ChatGPT Mobile App

OpenAI announced on May 14, 2026, that its Codex AI coding assistant is now available through the ChatGPT mobile app on iOS and Android devices, enabling developers to monitor and manage coding tasks remotely from their smartphones.

The feature, rolling out in preview across all ChatGPT plans including Free and Go tiers in supported regions, allows users to connect the mobile app to Codex instances running on separate machines such as laptops, Mac minis, or managed remote environments. Codex continues to operate in those environments, preserving access to files, credentials, permissions, and local setups. A secure relay layer synchronizes live session states, including active threads, approvals, plugins, and project context, without exposing machines directly to the public internet.

Developers can review outputs, approve commands, switch models, start new tasks, and receive real-time updates such as screenshots, terminal output, diffs, and test results. OpenAI described the integration as a fully featured mobile experience. "This is more than the ability to remotely control a single task or dispatch new tasks to your computer," the company stated. "From your phone, you can work...