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Author

Di Wu

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MobileGym: A Verifiable and Highly Parallel Simulation Platform for Mobile GUI Agent Research

MobileGym enables two capabilities previously out of reach for everyday apps: verifiable outcome signals through deterministic state-based judging over structured JSON state, and scalable online RL through low-cost parallel rollouts through low-cost parallel rollouts.

Di Wu, Ruitao Hao, Haiyang Wang et al. · 10 citations
Conference Open access 2026

On-policy Reinforcement Fine-tuning with Offline reward for Multi-step Embodied Planning

Experimental results show that ORBIT achieves SOTA performance on EB-ALFRED, outper-forming all closed-source and online-RL-based methods, while being substantially more effi-cient in training speed and computational cost, remaining robust to sub-optimal expert trajectories, and exhibiting strong generalization to unsee...

Di Wu, Jiaxin Fan, Chloe Gu et al. · 1 citation

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