APS-VLA: Action-Guided and Future-Aware Token Pruning for Efficient Vision-Language-Action Models

arXiv:2611.13030v1 Announce Type: new Abstract: Vision-language-action (VLA) policies have demonstrated strong generalization in robotic manipulation, yet processing dense visual tokens often incurs high inference latency. Visual token pruning offers a practical way to reduce this cost, but identifying a compact set of tokens that preserves reliable action generation remains challenging. Existing methods largely rely on static or immediate heuristic cues to estimate token importance. We introduce APS-VLA, a framework that learns visual token selection from robot demonstrations while keeping th

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