# Promptfoo

> LLM evaluation and red-teaming toolkit for prompt/security testing.

## Why it is interesting

Promptfoo addresses evals and LLM security — the unsexy layer every production AI team eventually needs.

## Profile

- **Stage:** seed
- **Status:** private
- **Industries:** ai-ml, developer-tools, cybersecurity
- **Coverage:** full
- **Last updated:** 2026-07-24

## Key facts

- Series A (Jul 2025): $18.4M led by Insight Partners; a16z participated (public reporting)
- Seed (Jul 2024): $5M led by a16z (Promptfoo blog)
- Co-investors: angel executives only in seed round (Shopify, Discord, Okta CEOs)

## Investors in our directory

- https://venturecapitaltracker.com/fund/andreessen-horowitz
- https://venturecapitaltracker.com/fund/insight-partners

---
Source: https://venturecapitaltracker.com/startup/promptfoo