ShadowBench tests if frontier models can recreate 150-year-old shadow puppets

tarantulae · x · 2026-11-06

spratyey introduces ShadowBench, a playful benchmark testing whether frontier models can recreate shadow puppets. The model gets an RL environment with a curtain and 3D hands, and must pose them joint by joint to match a diagram from a 150-year-old puppet book, crafted at perpetualsi. Commenters quip that we may finally have run out of benchmarks to implement.

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