Matt Shumer Claims GPT-6 Astra Built a Manhattan World in Unreal Engine Over a Week
jasonkneen · x · 2026-09-04
Matt Shumer claims "GPT-6 Astra" built a Manhattan world in Unreal Engine over the course of a week, going street by street "to make each one perfect," with video attached. When asked for a demo link and repo, none has been provided yet — the claim and the "GPT-6" naming remain unverified.
Related event: OpenAI launches flagship GPT-6 Astra to rave reviews and pricing debates(190 posts)→
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