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Gray Swan

Pittsburgh, United States

series-a$40M raisedCybersecurityEnterprise Software

Total Raised

$40M

Stage

series-a

Location

Pittsburgh, United States

Founded

2020

Team size

11-50

Links

About Gray Swan

AI security startup that builds tools to safety-test AI models and agents for vulnerabilities.

What sets it apart

It combines frontier-lab-grade adversarial testing with production runtime protection for AI agents, backed by research from Carnegie Mellon-affiliated founders.[2][3]

Sectors

CybersecurityEnterprise Software

Business

ModelSaaS

CustomerEnterprises, AI labs, and organizations deploying LLMs and AI agents

Notable

  • Trusted by leading frontier labs to assess flagship models
  • Raised a $40M Series A
  • Used by Anthropic, OpenAI, and Meta
  • Built one of the world's largest AI red teaming networks

Funding rounds

28 May 2026

Led by Wing Venture Capital, Madrona

With Obvious Ventures, Snowflake Ventures, Hudson River Trading, Samsung Next, Magarac Venture Partners

Source ↗

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FAQ

What does Gray Swan do?

AI security startup that builds tools to safety-test AI models and agents for vulnerabilities.

Where is Gray Swan based?

Gray Swan is based in Pittsburgh, United States, founded in 2020.

How much has Gray Swan raised?

Gray Swan has raised $40M in tracked funding and is currently at the series-a stage.

Who has invested in Gray Swan?

Investors in Gray Swan include Wing Venture Capital, Madrona, Obvious Ventures, Snowflake Ventures, Hudson River Trading, Samsung Next and Magarac Venture Partners.