Brigham and Women's Hospital

JAMA study: OpenEvidence clinical use surges over two years

Harvard Medical School and Brigham and Women's researchers analyzed 271 million queries from 952,008 clinicians on OpenEvidence between January 2024 and June 2026. Monthly active users rose from 355 to 703,265, queries per user from 18 to 39.5, and month-to-month retention from about 70% to 90%. Doctors often use AI outside their expertise.