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OpenEvidence Raises $250 Million, Doubling Valuation to $12 Billion

The physician-focused AI says its ad-supported, journal-trained tool is gaining widespread clinical use.

Overview

  • Thrive Capital and DST led the new financing, bringing total capital raised to roughly $700 million from backers that include GV, Sequoia, Kleiner Perkins, Nvidia, Craft Ventures and Mayo Clinic.
  • The company reports about $100 million in annualized revenue, offers the platform free to doctors with advertising as the primary revenue source, and attributes 95% of new users to physician referrals.
  • OpenEvidence markets a clinician tool that provides citation-linked answers drawn from top medical journals, and it says its models are not trained on the open internet or social media.
  • The company claims more than 40% of U.S. physicians use the service and that it supported about 18 million physician consultations in December, figures that are self-reported and vary across outlets.
  • Competition is intensifying as OpenAI rolls out ChatGPT Health and Anthropic offers Claude Healthcare, with both described as HIPAA-compliant extensions of their consumer chatbots.