WorldFoundry: open-source world-model infrastructure with 270 models and 74 benchmarks

pmttyji · reddit · 2026-11-10

A new paper defines generative world models as predictive dynamical systems — requiring persistent state, action-conditioned updates and causally consistent trajectories — and releases WorldFoundry, open-source infrastructure unifying inference and evaluation across video, 3D/4D, embodied action and interactive worlds. The catalog covers 270 model entries, 74 benchmarks and 62 metrics, with artifact contracts making every evaluation claim traceable to evidence.

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