Yarin Bar

Truncate Bad, Upweight Good: BoN-Style Distillation via Rank-Based Classification

Inference-time selection methods, such as Best-of-N, improve generation by sampling a pool of candidates and selecting the top-ranked completion according to a reward model. Distillation seeks to amortize this procedure into a single policy by replacing raw rewards with in-pool ranks and learning a policy that upweight...