High Accuracy, Less Talk (HALT): Reliable LLMs through Capability-Aligned Finetuning - Franzmeyer, Tim; Sravankumar, Archie; Liu, Lijuan; Mao, Yuning; Hou, Rui; Wang, Sinong; Foerster, Jakob; Zettlemoyer, Luke; Khabsa, Madian (International Conference on Learning Representations, 2026)