@article{figueiredo_diniz_granado_paulino_oliveira_2026,  title={Performance of the Artificial Intelligence large language models ChatGPT 3.5, Gemini (Google Bard), ChatGPT 4.0, and Gemini 2.5 flash in surgical subspecialty questions of Brazilian medical residency exams},  volume={24},  ISSN={1679-4508},  url={https://doi.org/10.31744/einstein_journal/2026AO1436},  DOI={10.31744/einstein_journal/2026AO1436},  journal={einstein (São Paulo)},  publisher={Instituto Israelita de Ensino e Pesquisa Albert Einstein},  author={Figueiredo, Maria Clara Pimenta de and Diniz, Victor Hugo Alves and Granado, Ana Clara de Campos and Paulino, Gabriel Chagas Lutfala and Oliveira, Gabryella Rodrigues de},  year={2026},  pages={eAO1436} }