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I once worked in a corporate office, and I remember how many of us walked from one meeting to the next with our laptops open sitting on our sleeves. We didn’t have to send emails in hallways, elevators, or stairs, but we didn’t want to close the lid and have to reboot the computer. It sounded goofy, but it also made sense.
So, I can sympathize a little Oh people Who keep their laptops open everywhere To keep the AI coding processes running continuously. They have to maintain their Wi-Fi connections — whether at the airport, a restaurant, or even while training their kids to snowboard — so their AI agents can keep working.
OpenAI announced the feature this week This will allow AI programmers to leave their laptops at home. The company is adding Codex, the company’s programming application, to the ChatGPT mobile app. So, if you’re running Codex on a laptop, desktop, devbox, or remote location, you can still stay connected to the process using your mobile phone, even if you’re away.
“A new rhythm of collaboration is emerging,” OpenAI said. “You should be able to easily answer any question, review what the Codex found, change direction, approve what comes next, or add a new idea.”
OpenAI is rolling out the feature in preview on iOS and Android across all plans, including Free and Go, in all supported regions. Support for people running Codex on Windows is coming soon, according to the company.
To try itYou will need to update the ChatGPT mobile app and Codex app on macOS.
OpenAI Codex AlimentariusAnthropic Claude Code And a supersonic plane Open code These are artificial intelligence software engineering programs that help people write code, run tests, and fix bugs. The agents used by these applications can do in hours what old-school programmers and developers would take days to do.
But it’s by no means foolproof: AI agents can introduce bugs and security flaws into systems that often need to be ironed out by actual humans.
More than 4 million people use Codex every week, OpenAI said.
(Disclosure: Ziff Davis, the parent company of CNET, in 2025 filed a lawsuit against OpenAI, alleging that it infringed Ziff Davis’s copyrights in training and operating its AI systems.)
Codex on the go
Some Codex users may enjoy not being tethered to their laptops in public places. Business insider He recently told the stories of several people who had to go about their daily lives with open laptops, even if it was just a crack, to continue doing Codex and writing code. OpenAI even poked fun at itself with Video on Tik Tok.
Using Codex in the ChatGPT mobile app, people connect to devices that Codex runs on – whether it’s a laptop or a dedicated computer like Mac mini. The mobile app will upload live status from the device, and users can review outputs, approve orders, change forms, monitor existing tasks or create new tasks across all topics, the company said.
Client files, credentials, permissions, and local setup will remain on the device that Codex is running on. App users can view screenshots, terminal output, and more on their phones. Devices running Codex remain secure and not exposed to the public internet, with a secure relay layer, OpenAI said.
In the real world, with Codex in the ChatGPT mobile app, users can get things done without having to use a laptop or having to put it somewhere. Codex may have found a bug while you were at the grocery store. The dealer can then identify the problem, test it, and begin fixing it. Or perhaps the Codex Alimentarius Commission needs a decision from you to take further action on something, while you are talking with a friend in a café. You can check the situation and tell Codex what action to take.
Maybe an idea comes to mind while you’re at the gym. From your phone, you send that idea to Codex, which starts implementing it using some new code.
“From your phone, you can start action when it’s top of mind, unblock it when your judgment is needed, and stay close to the outcome as it takes shape,” OpenAI said in its announcement.