SOURCE-LINKED INTELLIGENCE
Principia: Relational Physics Tests for Video Models
Evaluating physical reasoning in video models is difficult because absolute motion measurements depend on frame rate, object scale, and camera calibration, all of which are often ambiguous or unavailable in generated video. We propose a different approach. When two objects in the same scene obey the same physical law, their motions must satisfy predictable relationships, and these relationships hold independent of calibration. We introduce Principia, a benchmark that evaluates Newtonian physics through relational consistency between paired objects. Principia spans eight phenomena - gravity, re
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Evidence & attribution
- arXiv · AI, language, vision and robotics · 2026-09-03T17:59:50.000Z
First collected: 2026-09-21T04:31:57.454Z. This is not the publication date.