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Karpathy uses Opus 5 to render the opening of The Lord of the Rings as a 3D world
What happened
Andrej Karpathy gave Opus 5 the opening passage of The Lord of the Rings and a 1M-token budget (about $10), asking it to render the story in Three.js. Opus ran for about two hours and wrote 5,500 lines of code to procedurally generate a rough but playable 3D scene.
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