Bilingual Performance of Large Language Models in Answering Consumer Health Questions in English and Chinese: Comparative Benchmark Study

Ziyan Wu   ^{1 *} , MD, PhD ;   Honglin Xu   ^{1 *} , MBBS ;   Futai Feng   ^{1 *} , MBBS ;   Shulan Zhang   ^{2 *} , MD, PhD ;   Rongrong Cheng   ¹ , MBBS ;   Tianqi Shi   ¹ , MBBS ;   Siyu Wang   ¹ , MBBS ;   Yongzhe Li   ¹ , MBBS

¹ Department of Clinical Laboratory, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China

² Department of Rheumatology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Key Laboratory of Rheumatology & Clinical Immunology, Ministry of Education, Beijing, China

*these authors contributed equally