Multiple reports say nearly two-thirds of U.S. physicians use OpenEvidence, a private AI-powered medical search engine. [2, 21, 22] The company has reached a valuation as high as $15 billion. [2, 15, 20] It earns revenue from pharmaceutical ads shown to doctors as they search for clinical information.

OpenEvidence’s rapid growth puts it in direct competition with publicly traded Doximity (DOCS). The rivals recently settled a contentious lawsuit that included allegations of corporate espionage. [11, 14, 16] OpenEvidence’s market reach and ad-based revenue model are intensifying competition in digital health for clinicians.