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PredVLA: Predictive Sensorimotor Modeling for Sub-Million-Parameter Robot Manipulation

arXiv · AI, language, vision and robotics · article · Aug 27, 2026 · UTC

Large pretrained vision-language-action models achieve strong robot-manipulation performance, while compact alternatives have largely pursued efficiency by compressing the prevailing observation-to-action paradigm. We investigate whether predictive sensorimotor modeling can make more effective use of a limited parameter budget than direct observation-to-action mapping. We present PredVLA, a language-conditioned predictive-coding policy with only 0.68 million trainable network parameters and no robot-data pretraining. Its hierarchical recurrent dynamics predict visual features and proprioceptio

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First collected: 2026-09-21T08:51:59.673Z. This is not the publication date.