# Does LeWorldModel Preserve Local Action Geometry? A Multi-Scale Evaluation of LeWM's Action Sensitivity

- Source: arXiv cs.RO
- Published: 2026-10-26T04:00:00.000Z
- RoboHot: https://robohot.news/en/items/k5jev2yuydi830pnu5ob408oo
- Original: https://arxiv.org/abs/2610.31716

## Summary

Using matched simulator and model responses, the study measures LeWorldModel's (LeWM) sensitivity to small action perturbations via Gram matrices across nearly a thousand states in Reacher and OGBench Cube.