Author

Xu Chen

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Jul 2026

PhiZero: A World Model Built Around Physical Language

We introduce PhiZero, a physical world model built around physical language, a compact discrete representation of world-state transitions. Existing physical world models typically predict future videos directly in pixel space, leaving the underlying world dynamics implicit within high-dimensional visual predictors. Mot...

Shuyao Shang, Yuqi Wang, Ruopeng Gao et al. · arXiv.org · 1 citation