Wang, Chenxu, Hao Li, Yiqun Zhang, Linyao Chen, Jianhao Chen, Ping Jian, Qiaosheng Zhang, and Shuyue Hu. “ICL-Router: In-Context Learned Model Representations for LLM Routing”. Proceedings of the AAAI Conference on Artificial Intelligence 40, no. 39 (March 14, 2026): 33413–33421. Accessed May 15, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/40628.