@article{whendoeslearningtostophelpacostawarestud, title = {When Does Learning to Stop Help? A Cost-Aware Study of Early Exits in Reasoning Models}, author = {Zhe Dong and Fang Qin and Manish Shah}, year = {2026}, eprint = {2606.30852}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2606.30852}, }