arXiv AI By Xinnan Dai, Kaiqi Yang, Yaxin Li, Cheng Luo, Wanli Li, Mingqing Xiao, Xinyang Jiang, Daoan Zhang, Kaitao Song, Fengze Liu, Zefan Cai, Caihua Shan

Words to World: Benchmarking LLMs in Interactive Physical Environments

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arXiv AI
Jun 30

SWITCH: Benchmarking Modeling and Handling of Tangible Interfaces in Long-horizon Embodied Scenarios

arXiv:2511. 17649v4 Announce Type: replace-cross Abstract: Tangible control interfaces (TCIs), such as appliance panels, remotes, elevators, and embedded GUIs, are a fundamental component of everyday human-built environments.

By Juntao Cheng, Wanyue Zhang, Zhiwei Yu, Shuo Ren, Zheqi He, Shaoxuan Xie, Guocai Yao, Jieru Lin, B\"orje F. Karlsson, Jiajun Zhang
arXiv AI
Oct 2

Probing an Embodied LLM: When Higher Observation Fidelity Hurts Problem Solving

The study investigates how different observation fidelities affect the problem‑solving performance of embodied large language model (LLM) agents. Using the Lockbox mechanical puzzle, agents were tested with raw RGB, RGB‑D, and perfect ground‑truth symbolic observations in both physical and simulated environments. Surprisingly, agents performed best with raw RGB input and worst with perfect observations; introducing moderate perceptual noise in simulation further improved success rates, suggesting that some errors can mitigate repetitive action loops.

By Oussama Zenkri, Oliver Brock
arXiv AI
Oct 21

Plausible Future, Wrong Choice: Steering World-Action Models toward Intended Future

World-Action Models (WAMs) jointly predict future world states and robot actions for diverse manipulation tasks, but they can suffer from Stage Confusion—generating plausible yet misdirected rollouts that drift to the wrong task stage. TaskWAM introduces a closed-loop, stage-aware framework using Mode Tokens and State Tokens to represent fine-grained task requirements and execution progress, steering generation toward the intended future. The authors also present StageBench, a multi-stage manipulation benchmark, and show through extensive simulation and real-world experiments that TaskWAM reduces confusion, matches state-of-the-art performance, and transfers effectively across various robot embodiments.

By Zhuohao Li, Jiawei He, Yuxuan Yan, Lang Zhou, Yinghao Li, Yanrui Li, Tianyu Zhang, Yi-Yang Song, Xirui Wu andYi-Lin Wei, Fating Hong, Qing Zhang, Zhilin Zhao, Jingdong Wang, Wei-Shi Zheng