With a team of just 12 employees, the clinical AI company has grown largely through physician referrals, bringing total funding to $32 million
- More than 800,000 clinicians across 190 countries use Vera Health, including approximately 1 in 4 physicians in Spain and Italy, with most discovering the platform through recommendations from colleagues.
- Threshold Ventures led Vera Health’s $28.5 million Series A, with participation from Mantis VC and SV Angel. Existing investors Y Combinator and Gradient tripled down, bringing total funding to $32 million.
- The investment will accelerate Vera Health’s evidence-focused clinical AI platform, expanding its ability to make global medical knowledge locally relevant and deepening partnerships with medical societies, publishers and health systems.
SAN FRANCISCO, Oct. 27, 2026 — A year ago, a few thousand clinicians were using Vera Health. Today, more than 800,000 are, most having discovered the platform through a colleague. Every month since June, Vera has been the most downloaded clinical app in the world across the App Store and Google Play.¹ In September alone, it was downloaded more times than OpenEvidence and Doximity combined, while monthly downloads had more than tripled since February. With a team of just 12 employees, Vera has reached clinicians in 190 countries, including approximately 1 in 4 physicians in Spain and Italy, largely through word of mouth. Vera Health is a clinical AI search engine that reasons like a clinician, helping physicians find and evaluate medical evidence in seconds.
Today, Vera Health announced a $28.5 million Series A led by Threshold Ventures, with participation from Mantis VC and SV Angel. Existing investors Y Combinator and Gradient, tripled down in the round, bringing the company’s total funding to $32 million. The investment will accelerate Vera Health’s mission to close the gap between what medicine knows and what every patient receives.
Only a few months after raising its Series A, Vera already has more daily active users than it had monthly active users at the time of the raise. Clinicians went from asking Vera a few thousand questions a day to asking hundreds of thousands, every single day.
“Clinicians are the best data scientists I’ve ever met. They make the call in seconds, with more evidence than any human could ever read,” said Taieb Bennani, Co-Founder of Vera Health. “The secret to building for them is to live and breathe the problem like no one else. Everyone on our team is a clinician, or the child or sibling of one, like Maxime and me. That passion translates into every detail of the product, and when you build with that kind of obsession, the product speaks for itself, and clinicians share it with their colleagues. We don’t have the biggest team or the most money. We have the people who care the most about getting it right.”
How does Vera Health differ from general-purpose AI tools?
Clinical AI is increasingly being used to help physicians navigate complex medical questions, but the ability to generate an accurate-sounding answer does not necessarily establish whether the underlying research is reliable. Medicine now publishes a new scientific paper roughly every 20 seconds. Chatbots are built to sound confident. Vera is built to be accurate, and honest when the evidence is thin. Physicians are expected to keep up with an expanding body of research while interpreting guidelines, evaluating treatment options and making decisions for individual patients, sometimes within seconds.
Vera Health finds the evidence first, then writes the answer. Its technology searches more than 60 million peer-reviewed publications, clinical guidelines, consensus statements and drug labels, evaluating sources based on study design, level of evidence, cohort size, recency, journal quality and citation impact. Every claim is linked to its supporting research and color-coded to show the strength of the available evidence. Sometimes that color is red. A rare condition may have no large randomized trial or comprehensive guideline behind it, leaving only a small case series or a report involving a single patient. Vera Health surfaces that research while making its limitations visible, allowing physicians to assess how much weight the findings deserve.
“Medical knowledge moves too quickly for any one clinician to read, and general-purpose AI tools can make uncertain evidence sound settled,” said Maxime Allouch, co-founder, Vera Health. “Unlike other tools, we believe there’s value in making uncertainty visible. The grade shapes what Vera retrieves and writes, while the clinician brings the patient, the context and the judgment.”
Vera Health developed its approach alongside physicians who evaluate medical evidence and help write the guidelines other clinicians follow. Through its partnership with the American College of Emergency Physicians (ACEP), the platform integrates ACEP clinical policies with source attribution, bringing medical society guidance directly into clinical research workflows.
“In medicine, not all evidence is equal,” said Scott M. Silvers, MD, FACEP, Chair of the American College of Emergency Physicians’ Clinical Policies Committee and former Chair of Emergency Medicine at Mayo Clinic. “A large, randomized trial and a case report should never carry the same weight, yet most AI tools blend them into the same confident answer. Level of evidence is the foundation of every guideline we write, and Vera Health is built on it.”
For Dr. Bernard P. Chang, Vera Health’s Chief Scientific Advisor and Vice Chair of Research in the Department of Emergency Medicine at Columbia University, the importance of clinical evidence extends to how physicians evaluate patients.
“On a recent emergency-department shift, I saw a young woman with cough and shortness of breath. The symptoms could easily be attributed to a routine respiratory illness,” said Chang. “Vera Health surfaced evidence that raised my concern for pulmonary embolism, a potentially life-threatening blood clot in the lungs, and led me to broaden my evaluation. What interests me isn’t AI simply providing an answer. It’s whether it can reliably surface evidence that challenges our initial assumptions and improves clinical reasoning. That’s what we’re now evaluating rigorously, inside the academic medical centers where medicine is actually practiced.”
Vera Health’s clinical advisors also include Christopher Baugh, MD, MBA, FACEP, Vice Chair of Clinical Affairs in Emergency Medicine at Brigham and Women’s Hospital and Associate Professor of Emergency Medicine at Harvard Medical School. Its clinical council includes physician leaders affiliated with Mayo Clinic, Yale, Harvard, Columbia and Penn.
Why is Vera Health growing so quickly across international markets?
Bennani and Allouch grew up in families of physicians and initially developed Vera Health for their own fathers. What began with two users has since grown into a platform serving hundreds of thousands of clinicians, with physicians asking hundreds of thousands of questions each day. The company’s international growth reflects an approach built around a central reality of medicine. Medical knowledge is global, but clinical practice is local.
An emergency physician in France may follow different treatment guidelines than a physician in the United States. An oncologist reviewing a complex case may need an exhaustive evaluation of the available research, while an emergency physician needs a concise answer within seconds. Even physicians practicing the same specialty may follow different protocols depending on their institution.
Vera Health accounts for those differences by prioritizing locally relevant guidance while drawing on medical research from around the world. Through Vera Spaces, health systems can also integrate their own clinical protocols and pathways alongside national guidelines and international medical literature.
“Medicine is global, yet most tools in our space were built for a single geography,” said Allouch. “We went international from day one, because only a global view reveals what is truly local.”
The approach has helped Vera Health expand across Europe, where approximately 1 in 4 physicians in Spain and Italy and 1 in 7 in France use the platform, according to company data. Vera Health has achieved that international reach with a small team and a product that clinicians have largely discovered through their peers.
What will Vera Health’s Series A funding support next?
The financing will support further development of Vera Health’s clinical evidence infrastructure, expansion into additional healthcare markets and deeper partnerships with medical societies, publishers and health systems. The company will continue investing in locally relevant clinical guidance and tools that allow healthcare institutions to incorporate their own medical knowledge into the platform.
“In healthcare, trust is earned, not bought. Vera’s adoption among clinicians worldwide speaks to what Taieb and Maxime have built. By combining the most rigorous medical evidence with an understanding of each physician’s specialty, protocols and practice context, Vera makes the world’s medical knowledge relevant to how care is actually delivered. We believe that creates an enormous opportunity to improve global health,” said Andrew Brackin, Partner at Gradient.
“Vera is compelling because it starts with the evidence, not just an answer—helping clinicians find and assess the research behind a decision while making its strengths and limitations visible. By bringing that evidence to the point of care, Vera becomes a trusted clinical intelligence layer, not just another AI tool,” said Emily Melton, co-founder and managing partner of Threshold Ventures.
Vera Health will remain free for licensed clinicians and medical trainees worldwide as it expands access to medical evidence and locally relevant clinical guidance.
New medical knowledge takes an estimated 17 years to reach routine clinical practice, according to research published in the Journal of the Royal Society of Medicine. Vera Health aims to reduce the time physicians spend searching for and evaluating that knowledge, bringing relevant evidence closer to the moment clinical decisions are made.
“Our mission is to close the gap between what medicine knows and what every patient receives,” said Bennani. “Today, that gap is measured in years. We want it measured in seconds.”
About Vera Health
Vera Health is the search engine that reasons like a clinician, finding and grading evidence before showing the source, strength and limits behind every answer. More than 800,000 clinicians in 190 countries use Vera, which is free for licensed clinicians and trainees, never trains on clinicians’ questions, and is HIPAA and GDPR compliant and SOC 2 Type II certified. Founded in 2024 at Y Combinator by MIT graduates and sons of physicians Taieb Bennani and Maxime Allouch, Vera is headquartered in San Francisco and backed by Threshold Ventures, Gradient, Y Combinator, SV Angel and Mantis VC.
Learn more at verahealth.ai.
¹ Download data: Appark, worldwide App Store and Google Play downloads, June through [September] 2026.
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