OpenEvidence says two-thirds of US physicians use its AI search

OpenEvidence says nearly two-thirds of the roughly 1 million US physicians use its AI search engine. A source says the ad-powered tool is on track to generate $400M–$500M in 2026 ad revenue, sparking debate about patient care.

• OpenEvidence reaches about two-thirds of ~1M US physicians
• Ad revenue projected at $400M–$500M for 2026
• The tool is free for doctors and funded by advertising
• Ad-based model raises questions about patient care