Matt Shumer: Opus 5.5 built a working computer in JS — 277k logic gates, an OS, and games
mattshumer_ · x · 2026-09-28
Matt Shumer had Opus 5.5 build a working computer from scratch: the model wrote 277k logic gates in JavaScript, put an OS on top, and games running on that OS. Shumer stresses it is not a mockup but an actually runnable computer, with a link to try it live. A striking showcase of agentic coding capability.
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