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Xiang-Long Liu

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#artificial intelligence Preprint Sep 2026

Cooperative Multi-Agent Vision-Language-Action Models via Reinforced Fine Tuning

A three-stage reinforced fine-tuning (RFT) pipeline for multi-agent VLAs is presented, which freezes the VLA and performs RL in its latent noise space and finds existing online RL for VLAs are less effective for hard multi-agent tasks, which are attributed to noisy co-exploration and unstable updates.

Rui-Xiao Xu, W. Kenny, Zhi-Qian Liu et al. · 0 citations
#natural language process... Preprint Aug 2026

WebWorld: The Browser as a World Model for Self-Improving Web Code

WebWorld is presented, the interface that lets a VLM prior interact with this browser-as-world-model autonomously and decides which interactions become supervision and reaches the level of strong frontier systems such as Kimi-K2.6 and GPT-5.4 on interactive HTML generation.

Jia-Jun Wu, Jian Yang, Ya-Xin Du et al. · 0 citations

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