@article{routenlpclosedloopllmroutingwithconforma, title = {RouteNLP: Closed-Loop LLM Routing with Conformal Cascading and Distillation Co-Optimization}, author = {Dongxin Guo and Jikun Wu and Siu Ming Yiu}, year = {2026}, eprint = {2604.23577}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2604.23577}, }