Federate the Router: Learning Language Model Routers with Sparse and Decentralized Evaluations

arXiv:2601.22318 · cs.LG · Submitted 2026-01-29 · Read on arXiv

cs.LG

Submitted: 2026-01-29

Updated: 2026-10-09

Terminology

• Accuracy — 1× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes
• Generalization — 1× in this paper · explained in 13 episodes
• Large Language Models (LLMs) — 1× in this paper · explained in 6 episodes

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