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3 Latest Announced Rounds

  • $9,000,000
    Seed

    4 Investors

    Hospital & Health Care
    May 20th, 2026
  • $20,000,000
    Unknown

    1 Investors

    Software Development
    May 20th, 2026
  • $4,300,000
    Seed

    4 Investors

    Technology, Information and Internet
    May 20th, 2026
$553.66M Raised in 29 Funding Rounds in the past 7 Days - View All

Funding Round Profile

Promptfoo

start up
United States - San Francisco, CA
  • 30/07/2025
  • Series A
  • $18,400,000

Promptfoo discovers and eliminates major LLM risks before they are shipped to production. Its founders have experience launching and scaling AI to over 100M users using automated red-teaming and testing to overcome security, legal, and compliance issues. Promptfoo's open-source, developer-first approach has made it the most widely adopted tool in this space, with over 20,000 users at companies like Shopify, Amazon, and Anthropic.

https://www.promptfoo.dev


Related People

Ian W.Co Founder

Ian W. United States - San Francisco Bay Area

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