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Promptfoo

Promptfoo, founded in 2024 and based in San Francisco, provides an open-source and enterprise platform for testing, securing, and red-teaming AI prompts. It helps developers and enterprises evaluate LLM behavior, improve reliability, and integrate automated AI safety checks into workflows.

Overview Structured Data Issues Contributors

Is a

Company attributes

Industry

Artificial Intelligence (AI)

Location

B2X

CEO

Founder

Michael D'Angelo

Number of Employees (Ranges)

1 – 10

Email Address

press@promptfoo.dev

Phone Number

+19147227429

Investors

Andreessen Horowitz (a16z)

Insight Venture Partners

Total Funding Amount (USD)

18,400,000

Latest Funding Round Date

July 29, 2025

CTO

Michael D'Angelo

Latest Funding Type

Other attributes

Latest Funding Round Amount (USD)

18,400,000

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Products

Acquisitions

SBIR/STTR Awards

Patents

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