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Hao-Tian Yan

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#machine learning Preprint Oct 2026

Response-Informed Value Estimation for Cost-Aware Multi-Turn LLM Routing

RIVET jointly trains two value estimators over a shared state-model representation: a deployable Routing Value Estimator that scores candidate models from pre-call information, and a training-only Response-Informed Value Estimator that additionally observes the realized response.

Hao-Tian Yan, Jia-Qi Liu, Bing-Yi Jing et al. · 0 citations

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