[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"branding":3,"analytics":7,"article-openevidence-hits-15b-valuation-as-doctors-turn-to-ad-backed-ai":10,"sections":40},{"siteName":4,"siteTagline":5,"publisherName":4,"contactEmail":6},"The Revision","Tech news, decoded.","editor@therevision.news",{"gaMeasurementId":8,"adsenseClientId":9},"G-ZW2MV82GYR","ca-pub-8533917693782264",{"article":11},{"id":12,"slug":13,"title":14,"dek":15,"body_md":16,"tags_json":17,"published_at":18,"created_at":19,"updated_at":20,"status":21,"review_note":22,"review_notes":23,"image_url":22,"persona_id":22,"persona_name":22,"section":30,"tags":31,"sources":35,"feedback":39,"feedback_at":22,"cost_usd":39,"total_tokens":39},12061,"openevidence-hits-15b-valuation-as-doctors-turn-to-ad-backed-ai","OpenEvidence Hits $15B Valuation as Doctors Turn to Ad-Backed AI","The Miami startup says doctors sent its medical chatbot 42 million prompts in one month, a pace that puts an ad-funded tool near clinical decisions.","OpenEvidence, a Miami startup that runs an ad-supported AI search engine for doctors, is now valued at $15 billion, and nearly two-thirds of US doctors are reportedly using it to help make patient decisions.\n\nDaniel Nadler, a serial entrepreneur, founded the company in 2022. Its chatbot searches medical journals and clinical guidelines to help physicians diagnose and treat patients. The company said that American physicians, who number about 1 million, sent it more than 42 million prompts in a single recent month. Growth came largely by word of mouth. Nadler called it \"the first viral consumer internet app in healthcare\" in an interview, which is a founder's pitch, and the usage numbers are company-supplied too.\n\nTake both figures at face value and the picture is a habit, not a trial. Roughly 650,000 doctors sending 42 million prompts works out to about 65 queries per doctor per month. Few tools in the sector have seen similar traction, according to the reporting.\n\nDoctors have long leaned on reference databases and ordinary search engines, so the tool itself is not the novelty. The novelty is a chatbot that condenses the literature into an answer, paid for by advertising. Ads beside health information are old news on the consumer web. Ads inside a workflow where the output informs a diagnosis are a different arrangement, and the questions that follow are about separation: how sponsored content is kept apart from clinical answers, and who checks.\n\nThere is no evidence that advertisers influence its answers. But a $15 billion valuation raises the stakes on that point. The sharper question is whether doctors use the tool as a faster route to the underlying sources or start treating the summary as the answer.","[\"ai\",\"healthcare\",\"advertising\",\"startups\"]","2026-10-21T15:14:07.000Z","2026-10-21T18:10:24.920Z","2026-10-21T18:10:25.454Z","published",null,[24],{"id":25,"reviewer":26,"round":27,"reason":28,"status":29},"editor-r1","editor",1,"Remove the line 'Nothing in the source says OpenEvidence's answers are influenced by advertisers', which refers to unseen source material, and rephrase it as a reader-facing statement such as 'There is no evidence that advertisers influence its answers'; also drop 'September' from the dek and body, since the source says only 'last month' and gives no date, and attribute the 'nearly two-thirds of doctors' lede claim to the company or the reporting.","resolved","ai",[30,32,33,34],"healthcare","advertising","startups",[36],{"name":37,"url":38},"Ars Technica","https:\u002F\u002Farstechnica.com\u002Fai\u002F2026\u002F10\u002Fthe-15-billion-ad-powered-ai-startup-your-doctor-may-already-be-using\u002F",0,{"sections":41},[42,46,51,56,61,66,71,76,80,85,90,95,100,105],{"name":43,"slug":30,"count":44,"latest_published_at":45},"AI",7054,"2026-10-21T19:53:20.000Z",{"name":47,"slug":48,"count":49,"latest_published_at":50},"Security","security",1032,"2026-10-21T18:26:38.000Z",{"name":52,"slug":53,"count":54,"latest_published_at":55},"Policy","policy",561,"2026-10-21T19:02:49.000Z",{"name":57,"slug":58,"count":59,"latest_published_at":60},"Deals","deals",550,"2026-10-21T15:41:35.000Z",{"name":62,"slug":63,"count":64,"latest_published_at":65},"Hardware","hardware",282,"2026-10-21T15:51:59.000Z",{"name":67,"slug":68,"count":69,"latest_published_at":70},"Consumer Tech","consumer-tech",270,"2026-10-21T19:54:00.000Z",{"name":72,"slug":73,"count":74,"latest_published_at":75},"Science","science",211,"2026-10-21T09:00:00.000Z",{"name":77,"slug":34,"count":78,"latest_published_at":79},"Startups",140,"2026-10-21T18:51:56.000Z",{"name":81,"slug":82,"count":83,"latest_published_at":84},"Software","software",136,"2026-10-21T15:00:00.000Z",{"name":86,"slug":87,"count":88,"latest_published_at":89},"Dev Tools","dev-tools",122,"2026-10-21T16:00:00.000Z",{"name":91,"slug":92,"count":93,"latest_published_at":94},"General","general",94,"2026-10-21T18:31:15.000Z",{"name":96,"slug":97,"count":98,"latest_published_at":99},"Gaming","gaming",85,"2026-10-21T18:39:52.000Z",{"name":101,"slug":102,"count":103,"latest_published_at":104},"Reviews","reviews",38,"2026-10-20T12:00:00.000Z",{"name":106,"slug":107,"count":108,"latest_published_at":109},"How-To","how-to",8,"2026-10-05T09:00:00.000Z"]