OpenAI plugs Codex control into ChatGPT app
2026-05-15
Codex finally leaves the browser. An update to the ChatGPT app on iPhone and Android lets users steer OpenAI’s code model directly from a phone, shrinking what once felt like a desktop workflow into a palm-sized console for code generation and editing.

This move treats the smartphone as a lightweight IDE, where natural-language prompts trigger Codex to propose functions, refactor snippets, or draft API calls, while the heavier lifting still runs on OpenAI’s servers through large-scale transformer inference and token streaming. Users can paste code from any mobile editor, ask for fixes or annotations, then shuttle the result back into Git clients or cloud IDEs without touching a full laptop environment.
The real bet is behavioral, not cosmetic. By bringing Codex control into the same chat surface people already use for general queries, OpenAI collapses the gap between casual question and formal development session, reinforcing its position as a default interface for code reasoning and raising pressure on standalone mobile coding tools that lack a comparable model pipeline.
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