Astra simulated "macOS 27" in a browser in 75 minutes, cloud sync included
CurieuxExplorer · x · 2026-09-05
mweinbach had early access to GPT-6 Astra and, realizing 3.5 hours before a deadline that he lacked a good demo, prompted it to simulate "macOS 27" in the browser. In 75 minutes it produced his best output yet: working windows, searchable Settings, files, a terminal, a browser, Calendar, Notes, playable music, even a fake Twitter — with cloud sync and working apps once you log in.
Related event: Astra Builds a Working macOS 27 Simulator in 75 Minutes(3 posts)→
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