Route-and-Reason: Energy-Efficient Scaling of LLM Reasoning via Reinforced Model Routing.

@inproceedings{shao-2026-routeandreason, author = {Chenyang Shao and Xinyang Liu and Yutang Lin and Fengli Xu and Yong Li}, editor = {Hakim Hacid and Yoelle Maarek and Francesco Bonchi and Ido Guy and Emine Yilmaz}, title = {{Route-and-Reason: Energy-Efficient Scaling of LLM Reasoning via Reinforced Model Routing}}, booktitle = {{Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026}}, pages = {9551--9562}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3774904.3793038}, doi = {https://doi.org/10.1145/3774904.3793038} }