Moving Atoms
YC S26World models that train and test robots in sim, #1 on Physics-IQ
About
Our first model, Atom 1, pre-trained on the internets video, and fine tuned for physics, already tops the Physics IQ benchmark. It has been action conditioned, so you can simulate robot actions within it. This lets Robot Labs check every checkpoint, getting you results in minutes; instead of having to wait days for human evaluations. It also lets you simulate unseen and hard to replicate environments. A world model good enough to grade robots is a world model good enough to drive one! Our second core bet is to design our robot model (world action model) to be micromanaged by LLMs, allow robotics to use the orchestration and planning abilities of LLMs while having the physics, contact and timing be controlled by the robot model (world action model).
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