Promptfoo

📍 San Francisco, United States👥 24 employees💰 Last funded Jul 2025
Software Development🌐 promptfoo.dev
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Promptfoo is the leading open-core platform for AI application security, enabling enterprises to identify and remediate vulnerabilities in LLMs, RAG systems, and AI agents before they reach production. Our approach is designed to incorporate AI AppSec from the start of the development lifecycle, aligning with the DevSecOps maturity models organizations follow as security programs shift from manual pen-testing to automated, continuous AI red teaming. 200,000+ developers and over 125 Fortune 500 companies use Promptfoo’s open-source framework in their development workflows. OpenAI and Anthropic also recommend Promptfoo through their online courses.
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Investors

2 investors
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Investor geography1 country
United States
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Frequently asked questions
Who invested in Promptfoo?
Promptfoo has 2 investors on record on gritt.io.
When did Promptfoo last raise funding?
The most recent investment in Promptfoo recorded on gritt.io was in July 2025.
What industry is Promptfoo in?
Promptfoo operates in Software Development. Find similar Software Development investors on gritt.io.
Where is Promptfoo based?
Promptfoo is headquartered in San Francisco, United States.