arxiv
PublishedApril 3, 2026 at 4:00 AM
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LLM Router: Rethinking Routing with Prefill Activations
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arXiv:2603.20895v2 Announce Type: replace Abstract: LLMs often achieve similar average benchmark accuracies while exhibiting complementary strengths on different subsets of queries, suggesting that a router with query-specific model selection can outperform any single model. While existing routers r
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