arXivZishan Xu, Zhiyuan Yao, Yuxin Chen, Yifu Guo, Zhengxi Lu, Yuquan Lu, Jinyang Huang, Yan Xu, Yasheng Wang, Weinan Zhang, Xingshan Zeng, Weiwen LiuThu, Aug 6, 2026, 8:54 AM PDT
score 14.7
AI agents train by imagining tool responses instead of using real environments
Original: EnvACE: Internalizing Environment Dynamics via World Rehearsal for Agentic Reinforcement Learning
Source: arxiv.org ↗
Writing ELI5 summary…