Dynamic LLM Routers are Often Misguided
Dynamic LLM routers promise to cut inference costs by sending each query to the cheapest model that can answer it correctly. We analyze six commercial routers across 14 settings on a diverse benchmark spanning eight task categories, finding that none of them outperforms a router that randomly selects between two well-c...
Sam Wang, Julia White, Sahibzada Allahyar et al.
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