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cs.LG2026
The Routing Plateau: Understanding the Accuracy Limits of LLM Routers
Yifan Lu, Qiyue Zhang, Shenrun Zhang +4
LLM routing has become a popular approach to improve the cost-quality trade-off of LLM services by adaptively selecting a model for each query. Recent work has explored a broad ran…
cs.CL2026
Listen, Correct, and Feed Back: Spoken Pedagogical Feedback Generation
Junhong Liang, Yifan Lu, Ekaterina Kochmar +1
Grammatical error correction (GEC) and explanation (GEE) have made rapid progress, but real teaching scenarios also require \emph{learner-friendly pedagogical feedback} that is act…