Walk into a GPT-6 Astra-generated harbor in Three.js to hunt for 3D reasoning mistakes

Lianhuiq · x · 2026-09-16

Researcher Lianhui Qing shares a fun way to stress-test model 3D reasoning: let humans walk inside the model's world. Their Code4Scene pipeline used GPT-6 Astra to generate a harbor scene, exported as a fully explorable Three.js demo, inviting people to hunt for floating objects, odd geometry, and impossible spatial relationships.

Related event: Humans Walk Into GPT-6 Astra's Generated 3D Harbor to Spot Spatial Errors(2 posts)→

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