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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.LG2025★ 1 cited
RouterArena: An Open Platform for Comprehensive Comparison of LLM Routers
Yifan Lu, Rixin Liu, Jiayi Yuan +4
Today's LLM ecosystem comprises a wide spectrum of models that differ in size, capability, and cost. No single model is optimal for all scenarios; hence, LLM routers have become es…
cs.LG2025
HeSRN: Representation Learning On Heterogeneous Graphs via Slot-Aware Retentive Network
Yifan Lu, Ziyun Zou, Belal Alsinglawi +6
Graph Transformers have recently achieved remarkable progress in graph representation learning by capturing long-range dependencies through self-attention. However, their quadratic…