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Sarvesh Gharat

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#artificial intelligence Preprint Sep 2026

Cost-Aware Best-LLM Identification using Dueling Feedback

A Track-and-Stop style algorithm for best-arm identification with prescribed confidence is proposed, and it is proved that the algorithm almost surely achieves the asymptotically optimal cost as the error tends to zero.

Sarvesh Gharat, Nikhil Karamchandani, Jayakrishnan Nair · 0 citations
Preprint Aug 2026

ThinkRetrieve: Retrieval-Augmented Reasoning Traces for Test-Time Scaling

ThinkRetrieve is proposed, a test-time scaling framework that augments the reasoning traces of LRMs with dynamically retrieved solved examples at each reasoning step, providing the model with guidance on how to reason rather than merely what facts are relevant.

Vaibhav Singh, Soumya Suvra Ghosal, Sarvesh Gharat et al. · 0 citations

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