# OpenEvidence funding rounds and investors

As of 10 Nov 2026, OpenEvidence has raised $985M across 5 verified rounds on record; latest: $250M Series E led by Andreessen Horowitz and Byers Capital, announced 24 Sep 2026.

An AI search engine for doctors

Website: https://www.openevidence.com/  
Headquarters: Miami, United States  
Page: https://fireround.dev/companies/openevidence

## Verified rounds

| Announced | Round | Amount | Lead investors | Other investors | Sources |
| --- | --- | --- | --- | --- | --- |
| 2026-09-24 | Series E | $250M | Andreessen Horowitz, Byers Capital | none named | [businessinsider.com](https://www.businessinsider.com/chatgpt-for-medicine-openevidence-fielding-valuation-2026-9), [forbes.com](https://www.forbes.com/sites/saibala/2026/09/30/openevidence-confirms-it-has-raised-an-additional-250-million-at-a-15-billion-valuation), [jgsearchgroup.com](https://www.jgsearchgroup.com/healthcare-technology-funding-rounds) |
| 2026-01-21 | Series D | $250M | Thrive Capital, DST Global Partners | none named | [businesswire.com](https://www.businesswire.com/news/home/20260121029132/en/OpenEvidence-Raises-%24250-Million-to-Build-Medical-Superintelligence-for-Doctors), [techcrunch.com](https://techcrunch.com/2026/01/21/openevidence-hits-12b-valuation-with-new-round-led-by-thrive-dst), [axios.com](https://www.axios.com/pro/health-tech-deals/2026/01/21/openevidence-250m-round-12b) |
| 2025-10-20 | Series C | $200 million | GV (Google Ventures) | Sequoia Capital, Kleiner Perkins, Blackstone, Thrive Capital, Coatue, Bond Capital, Craft Ventures | [siliconangle.com](https://siliconangle.com/2025/10/20/medical-search-engine-startup-openevidence-closes-200m-investment-led-gv), [techcrunch.com](https://techcrunch.com/2025/10/20/openevidence-the-chatgpt-for-doctors-raises-200m-at-6b-valuation), [fiercehealthcare.com](https://www.fiercehealthcare.com/ai-and-machine-learning/hlth25-3-months-after-series-b-round-openevidence-raises-lands-200m) |
| 2025-07-15 | Series B | $210 million | Kleiner Perkins, GV (Google Ventures) | Sequoia Capital, Coatue, Conviction Partners, Greycroft, Thrive Capital | [openevidence.com](https://www.openevidence.com/announcements/openevidence-the-fastest-growing-application-for-physicians-in-history-announces-dollar210-million-round-at-dollar35-billion-valuation), [prnewswire.com](https://www.prnewswire.com/news-releases/openevidence-the-fastest-growing-application-for-physicians-in-history-announces-210-million-round-at-3-5-billion-valuation-302505806.html), [mobihealthnews.com](https://www.mobihealthnews.com/news/openevidence-raises-210m-expand-partnerships-hits-35b-valuation) |
| 2025-02-19 | Series A | $75 million | Sequoia Capital | none named | [prnewswire.com](https://www.prnewswire.com/news-releases/openevidence-achieves-1-billion-valuation-in-sequoia-led-round-and-announces-content-partnership-with-the-new-england-journal-of-medicine-302380960.html), [siliconangle.com](https://siliconangle.com/2025/02/19/openevidence-raises-75m-become-chatgpt-doctors), [techstartups.com](https://techstartups.com/2025/02/20/healthcare-ai-startup-openevidence-raises-75m-in-sequoia-led-round-to-scale-ai-for-doctors-joins-ai-unicorn-club) |

Source: Fireround (https://fireround.dev), an open-source funding feed. Each round is checked against the pages listed with it.