@article{theroutingplateauunderstandingandbreakin,
  title = {The Routing Plateau: Understanding and Breaking the Accuracy Limits of LLM Routers},
  author = {Yifan Lu and Qiyue Zhang and Shenrun Zhang and Zhibo Yu and Zhuang Wang and Hanjie Chen and Jiarong Xing},
  year = {2026},
  eprint = {2606.07587},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.07587},
}