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Scout Before You Route: Predicting Task Success and Token Count from a Small LLM Prefill

arXiv cs.AI · Aristides Milios, Christopher Pal ·

arXiv:2611.09028v1 Announce Type: new Abstract: Routers typically choose a model per query by trading predicted correctness against cost. Most price each model at a fixed cost, as if every query used the same number of output tokens, but the output length of reasoning models varies by an order of magnitude across…

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