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Nai-Ren Cao

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#machine learning Preprint Sep 2026

Efficient Cost-Aware LLM Evaluation via Bayesian Bandit Gittins Indices

GittinsEval is consistently competitive, with particularly strong gains over configuration-level Bayesian optimization on large-example benchmarks and over cost-unaware bandit baselines on large-candidate tasks.

Qian Xie, Yue-Li He, Nai-Ren Cao · 0 citations