2 papers
cs.LG2026
When Does Online Imitation Learning Help in LLM Post-Training? The Role of (Non-)Realizability Beyond Horizon
Huaqing Zhang, Jingchu Gai, Juno Kim +2
Online imitation learning (IL), particularly on-policy distillation, has emerged as a strong LLM post-training approach, often outperforming offline supervised fine-tuning (SFT). Y…
cs.LG2025
In Good GRACEs: Principled Teacher Selection for Knowledge Distillation
Abhishek Panigrahi, Bingbin Liu, Sadhika Malladi +2
Knowledge distillation is an efficient strategy to use data generated by large "teacher" language models to train smaller capable "student" models, but selecting the optimal teache…