Smith, who tested Codex for a month and ended up rewriting a bunch of his apps and shipping versions for Windows and Android: I spent one month battle-testing Codex 5.3, the latest model from OpenAI, ...

OpenAI is working on a desktop “superapp” that merges its ChatGPT app, the Codex AI coding app, and its AI-powered Atlas browser into one app, The Wall Street Journal reports.