@article{zeroshotconfidenceestimationforsmallllms, title = {Zero-Shot Confidence Estimation for Small LLMs: When Supervised Baselines Aren't Worth Training}, author = {Luong N. Nguyen}, year = {2026}, eprint = {2605.02241}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2605.02241}, }