Promptfoo

About Promptfoo

Promptfoo is an open-source platform focused on securing AI and language models (LLMs) from prompt to production. Trusted by over 125,000 users and 27 Fortune 500 companies, it provides tools and solutions to enhance AI safety and reliability for applications serving millions of users.

Products & Services

Red Teaming:Adaptive red teaming to generate customized attacks targeting specific risks in AI applications, including prompt injections, jailbreaks, data leaks, and more.

Guardrails:Solutions to implement protective measures for AI systems to ensure safety and compliance.

Model Security:Tools focused on securing language models against vulnerabilities and threats.

MCP Proxy:A proxy solution for managing and securing AI model interactions.

Evaluations:Services to assess and benchmark AI model performance and security.

Enterprise Solutions:Managed cloud or on-premises solutions with advanced features and support for large-scale deployments.

Specialties

AI Security Language Model Protection Red Teaming for LLMs Guardrails for AI Vulnerability Detection Enterprise-Scale AI Solutions

Funding History

Debug: View Raw Funding Data

#	Type	Amount Fields	Date Fields	Investors
1	RT: Series A T: - FT: Series A	A: 18400000 MR: - FA: $18.4 million FAN: 18400000	D: 2025-07-29 FD: 2025-07-29	2 investors

Series A Latest

2025-07-29

$18.4M

2 investors (Pro only)

Growth Metrics

+45%

Employee Growth

YoY

3.2x

Funding Growth

Last Round

12

Markets

Operating

10K+

Customers

Active

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Team & Leadership

I

Ian Webster

CEO & Co-founder

M

Michael D'Angelo

CTO & Co-founder

S

Steve Klein

Staff Engineer

M

Matthew Bou

Enterprise GTM Lead

B

Ben Shipley

Enterprise GTM Lead

V

Vanessa Sauter

Principal Solutions Architect

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Recent News

Promptfoo Announces New Product Launch

2 days ago

Company unveils innovative solution to transform the industry, expanding market reach and capabilities...

Leadership Team Expands with Industry Veteran

1 week ago

New executive brings 20+ years of experience to accelerate growth and strategic initiatives...

Company Recognized as Industry Leader

2 weeks ago

Receives prestigious award for innovation and customer satisfaction in competitive market...

Key Competitors

C1

Competitor Alpha

Series B · $50M raised

C2

Competitor Beta

Series C · $120M raised

C3

Competitor Gamma

Series A · $25M raised

C4

Competitor Delta

Seed · $10M raised