OpenAI is introducing the powerful Codex tool to the ChatGPT application on your mobile device.
The ChatGPT mobile application now includes Codex, allowing you to handle coding tasks from anywhere.
If you have ever wished for Codex to help you debug and manage pull requests while you enjoy coffee or travel, OpenAI has made that a reality. The AI-driven coding assistant, Codex, is now accessible via the ChatGPT mobile app for both iOS and Android.
This feature is currently being rolled out in preview mode for all subscription plans, including Free and Go, across all supported regions. For the moment, mobile compatibility is only available with the macOS Codex app, while Windows support will be introduced shortly.
What functionalities does Codex provide from your phone?
The mobile version is not designed for creating full applications on a small touchscreen. Instead, think of it as a remote control for AI-driven coding sessions that are already active on your computer.
When you link your phone to any device running Codex—whether that’s your laptop, a dedicated Mac mini, or a remote development environment—the app retrieves the live status from that setup.
From this point, you can assess active threads, approve commands, switch between models, view terminal output, check test results, and examine diffs, all without needing to be at your desk.
Your files, credentials, and local configurations remain on the device performing the tasks, while real-time updates are sent to your phone as Codex progresses.
OpenAI employs a secure relay layer to ensure your trusted devices are accessible across platforms without being exposed to the public internet.
OpenAI clearly views Codex as significant.
The company has been integrating Codex into its products, with plans to merge ChatGPT, Codex, and its Atlas browser into a single, larger AI “superapp.”
Recently, OpenAI incorporated Codex into Chrome, allowing its coding assistant to function directly within the browser. Additionally, it unveiled unique “Codex Pets” that display live updates while AI coding tasks are being processed in the background.
The competition is intensifying, especially with rivals like Anthropic’s Claude Code, which added a remote monitoring feature back in February. OpenAI is making its own advancements and clearly aims to keep pace.
Manisha Priyadarshini is a technology and entertainment journalist with over nine years of editorial experience.
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OpenAI is introducing the powerful Codex tool to the ChatGPT application on your mobile device.
OpenAI has integrated its Codex coding agent into the ChatGPT mobile application for both iOS and Android, enabling users to handle coding tasks remotely from their smartphones.
