Dev builds entire Three.js city with no 3D models using Codex and GPT-6 Astra

OpenAIDevs · x · 2026-11-01

After Three.js r187 shipped, a developer pushed Codex with GPT-6 Astra to see how far it could go. The result: an entire miniature city rendered in Three.js with zero imported 3D models — everything generated as code. More is planned, making this a striking showcase of current coding models' ability to produce complex 3D scenes purely programmatically.

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