Preprint
Aug 2026
LLMRouter: Unified Infrastructure for Developing, Evaluating, and Deploying LLM Routers
This work presents a unified formulation of LLM routing as a sequential decision process characterized by five components: context encoders, model encoders, scoring functions, decision rules, and learning signals, covering single-turn, multi-turn, and personalized routing.
Tao Feng, Fangxu Yu, Haozhen Zhang et al.
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