GPT 6 Astra composes piano melody and builds 3D pianist whose fingers hit the notes — in 2 hours
nptacek · x · 2026-09-06
Developer @LexnLin asked a model called GPT 6 Astra to compose a piano melody and build a 3D pianist to play it, completing the whole thing in about 2 hours. The striking detail: the 3D character's fingers actually follow the notes being played. three.js creator mrdoob shared it saying it's "time to readjust my expectations." The model is unreleased and the demo is unverified.
Related event: Dev Builds 3D Piano-Playing Hands with GPT-6 Astra in Two Hours(2 posts)→
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