ZHU, Yanxu et al. MoHoBench: Assessing Honesty of Multimodal Large Language Models via Unanswerable Visual Questions. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 40, n. 34, p. 29205–29213, 2026. DOI: 10.1609/aaai.v40i34.40159. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/40159. Acesso em: 10 may. 2026.