LQM-ContextRoute routes LLM tool calls via latency-quality matching in a contextual bandit, improving F1 by 2.18 pp, accuracy by up to 18 pp, and NDCG by 2.91-3.22 pp over SW-UCB on web-search, StrategyQA, and retriever benchmarks.
10 Algorithm 1LQM-CONTEXTROUTEonline rout- ing 1:inputridgeλ r, deflationλ, latency scaleL ref 2: init Ai ←λ rI, A−1 i ←λ −1 r I, bi ←0 , ˆτi ←τ 0 for each provideri 3:fort= 1,
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Latency-Quality Routing for Functionally Equivalent Tools in LLM Agents
LQM-ContextRoute routes LLM tool calls via latency-quality matching in a contextual bandit, improving F1 by 2.18 pp, accuracy by up to 18 pp, and NDCG by 2.91-3.22 pp over SW-UCB on web-search, StrategyQA, and retriever benchmarks.