@article{xroutertrainingcostawarellmsorchestratio,
  title = {xRouter: Training Cost-Aware LLMs Orchestration System via Reinforcement Learning},
  author = {Cheng Qian and Zuxin Liu and Shirley Kokane and Akshara Prabhakar and Jielin Qiu and Haolin Chen and Zhiwei Liu and Heng Ji and Weiran Yao and Shelby Heinecke and Silvio Savarese and Caiming Xiong and Huan Wang},
  year = {2025},
  eprint = {2510.08439},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2510.08439},
}