The Layer Mystery of VLA: An Information-Theoretical Analysis of VLA Latent Interface
arXiv:2609.36118v1 Announce Type: new Abstract: Vision-language-action (VLA) policies connect a pretrained vision-language backbone to an action head through a latent interface, but which backbone layers this interface should expose remains unclear. We study single-layer selection and multi-layer f…
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- 2026-09-30 04:00 · arXiv cs.AI
The Layer Mystery of VLA: An Information-Theoretical Analysis of VLA Latent Interface