Share

Add NBC News to Google

May 13, 2026, 11:30 AM GMT+2

By Jared Perlo

Doctors across America are rapidly adopting OpenEvidence, a free AI-powered chatbot that relies on peer-reviewed literature to answer medical questions. But its CEO, Daniel Nadler, says the model that made OpenEvidence ubiquitous — free for doctors, paid for by ads from pharmaceutical companies and others — may not be the one that the company wants to take into the future.