most citedSpatialViz-Bench: A Cognitively-Grounded Benchmark for Diagnosing Spatial Visualization in MLLMs

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cs.RO2026

-StepNFT: Wider Space Needs Finer Steps in Online RL for Flow-based VLAs

Siting Wang, Xiaofeng Wang, Zheng Zhu +7

Flow-based vision-language-action (VLA) models excel in embodied control but suffer from intractable likelihoods during multi-step sampling, hindering online reinforcement learning…