Alex Reibman reports he’s been coding for weeks with OpenAI’s Codex via the ChatGPT mobile app and praises its ergonomics. OpenAI Developers’ post advertises "Your laptop can stay home," emphasizing mobile coding, on-the-go Q&A, and seamless thread continuity when returning to a computer, with a short demo video attached.
Alex Reibman (tweet dated 2026-05-20) says he’s been coding "for the past few weeks" using OpenAI’s tools and claims "OAI really figured out the ergonomics."
Basically how I’ve been coding for the past few weeks. OAI really figured out the ergonomics
OpenAI Developers (@OpenAIDevs)
Your laptop can stay home.
Work with Codex from the ChatGPT mobile app, answer questions on the go, and pick up the same thread later from your computer.
Video
— https://nitter.net/OpenAIDevs/status/2057142816497906045#m