Matt Shumer: GPT-6 Astra built a Manhattan world in Unreal Engine street by street over a week
mattshumer_ · x · 2026-09-04
Matt Shumer showcases a Manhattan world that GPT-6 Astra built in Unreal Engine over the course of a week, claiming the model could go street by street to perfect each one — a high-profile demo of Astra's generative capability.
Related event: OpenAI launches flagship GPT-6 Astra to rave reviews and pricing debates(190 posts)→
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