AI Security Startup Promptfoo Bags $18.4M: Fortune 500s Rejoice While Hackers Sulk!
Promptfoo, a San Francisco-based AI security startup, raised $18.4 million in Series A funding led by Insight Partners. Their platform tackles AI vulnerabilities like prompt injections and data leaks, helping organizations deploy AI securely. With open-source tools and Fortune 500 clients, Promptfoo aims to scale and enhance its protective wizardry.

Hot Take:
Promptfoo is on a mission to prevent your AI from becoming a secret agent for cybercriminals. With $18.4 million in new funding, they’re turbocharging their efforts to keep your generative AI applications safe and sound, so you can sleep tight knowing your AI won’t start plotting world domination or stealing your grandma’s secret cookie recipe.
Key Points:
- Promptfoo raises $18.4 million in Series A funding, bringing their total to $23.4 million.
- Insight Partners led the latest investment round, with Andreessen Horowitz also participating.
- The platform targets AI security by addressing vulnerabilities like prompt injections and data leaks.
- Promptfoo’s tools are utilized by over 100,000 developers and nearly 30 Fortune 500 companies.
- New funding will be used to expand teams and enhance platform development.
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