Karpathy Amazed That Models Can Now Generate Playable Worlds

karpathy · x · 2026-07-05

Andrej Karpathy reposted and highly praised a collection of demos featuring playable worlds generated by models. He admitted not fully realizing previously that models could create such rich, interactive worlds blending knowledge and code. He specifically mentioned the detail of a "bear catching a salmon at minute 43" in one demo, expressing amazement at the progress in game world generation.

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