ChatGPT mobile app adds Codex, letting users manage code on mobile

OpenAI said on May 14 that it had added Codex to the ChatGPT mobile app, extending its coding agent to iPhone and Android as a remote management layer for work already running on another machine. The company described the feature as a way to “stay in the loop from anywhere” while Codex works across laptops, devboxes or managed remote environments. OpenAI’s product page said the mobile experience is in preview. Its release notes said the feature is rolling out across iOS and Android in supported regions. ### What exactly arrived in the mobile app? OpenAI’s May 14 product post said Codex is now available inside the ChatGPT mobile app, where users can connect to machines already running the Codex app and load the live state from that environment. The company said users can move across active threads, approvals, plugins and project context from a phone instead of returning to the host computer. (openai.com) The ChatGPT release notes said the rollout covers all plans, including Free and Go, in supported regions. OpenAI said users need to update both the ChatGPT mobile app and the Codex app on macOS to try it. ### Does this mean people can code entirely on a phone? OpenAI’s own description says no. The company said files, credentials, permissions and the local setup remain on the machine where Codex is operating, while the phone receives updates in real time. (openai.com) Those updates include screenshots, terminal output, diffs, test results and approvals. The Codex changelog published May 14 said the mobile feature works by connecting the ChatGPT mobile app to “a Mac running the Codex app.” That makes the phone a control and review surface for ongoing work, rather than the primary place where code is executed. (help.openai.com) ### What can users do from the handset? OpenAI said phone users can review outputs, approve commands, change models and start new tasks from the app. (openai.com) The company also said the mobile interface is “more than the ability to remotely control a single task,” because it spans multiple threads and ongoing sessions tied to the connected environment. MacRumors, citing OpenAI’s announcement, reported on May 15 that the feature gives iPhone and Android users remote access to Codex sessions running on a Mac. (developers.openai.com) CNET reported the same day that the mobile app lets users keep track of work without carrying a laptop. Those reports matched OpenAI’s description of a monitoring and approval workflow rather than full local development on the phone. (openai.com) ### Which plans and controls apply? OpenAI’s Help Center said Codex access is governed through ChatGPT plan and workspace controls, and that enterprise and education administrators can use role-based access control to decide which users get access. The company also said app controls apply across ChatGPT web, Atlas, ChatGPT mobile and Codex, rather than letting administrators switch access on for one surface only. (macrumors.com) OpenAI’s Codex collection page says the product is part of its broader coding-agent offering, and the company’s pricing guidance says some Codex usage can draw against agentic usage limits or purchased credits, depending on plan. The release notes, however, specifically say the mobile rollout itself reaches all plans in supported regions. ### Where does this fit in OpenAI’s broader Codex push? (help.openai.com) OpenAI’s Codex page describes the app as a “command center for agentic coding,” and a separate product update said the company had been unifying Codex across terminal, IDE, web, GitHub and ChatGPT-linked experiences. The mobile addition extends that cross-surface approach by giving users another place to monitor and steer jobs already underway. The next step is practical rather than speculative: OpenAI’s release notes say users who want the feature need updated ChatGPT mobile software and the Codex macOS app, and the company’s mobile page says the experience remains in preview as of May 14. (help.openai.com 1) (help.openai.com 2) (openai.com)