GPT-6 Astra built a Manhattan world in Unreal Engine street by street over a week
chongdashu · x · 2026-09-04
Developer mattshumer showed off GPT-6 Astra building a Manhattan world in Unreal Engine over the course of a week — going street by street to make each one perfect. Commenters are asking how it interfaced with Unreal (via MCP?), highlighting growing interest in agents operating professional 3D engines directly.
Related event: OpenAI launches flagship GPT-6 Astra to rave reviews and pricing debates(190 posts)→
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