@inproceedings{mishra-roy-2026-spend, title = "Spend the Wasted Epochs: Preference Post-Training from the Saturation Checkpoint for Sample-Efficient Language Modeling", author = "Mishra, Ujjwal and Roy, Sudipta", editor = "Choshen, Leshem and Cotterell, Ryan and Gul, Mustafa Omer and Jumelet, Jaap and Linzen, Tal and Mueller, Aaron and Salhan, Suchir and Shah, Raj Sanjay and Warstadt, Alex and Wilcox, Ethan Gotlieb", booktitle = "Proceedings of the Second {B}aby{LM} Workshop", month = oct, year = "2026", address = "Budapest, Hungary", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.babylm-main.52/", pages = "646--658", ISBN = "979-8-89176-475-0" }