GPT-6 Astra reportedly built a playable Manhattan in Unreal Engine street by street in a week
josh_bickett · x · 2026-09-04
Matt Shumer showed off what he says is GPT-6 Astra building a Manhattan world inside Unreal Engine over the course of a week, going street by street to refine each block. Boris MPower amplified it asking how soon the entire world becomes playable. The demo is unverified but a striking capability claim.
Related event: OpenAI launches flagship GPT-6 Astra to rave reviews and pricing debates(190 posts)→
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