Nguyen M, Gupta S, Le H. Probabilities Are All You Need: A Probability-Only Approach to Uncertainty Estimation in Large Language Models. AAAI [Internet]. 2026 Mar. 14 [cited 2026 May 16];40(38):32546-54. Available from: https://ojs.aaai.org/index.php/AAAI/article/view/40531