OpenEvidence says nearly two-thirds of ~1M US physicians use its AI search engine; a source says it is on track to generate $400M-$500M in 2026 ad revenue (Rafe Rosner-Uddin/Financial Times)

Rafe Rosner-Uddin / Financial Times : OpenEvidence says nearly two-thirds of ~1M US physicians use its AI search engine; a source says it is on track to generate $400M-$500M in 2026 ad revenue, Founder of OpenEvidence chatbot says two-thirds of US physicians use the ad-powered tool, prompting a debate about patient care.