Gray Swan AI
Gray Swan AI is an artificial intelligence company in Pittsburgh, United States, founded in 2023. It has raised $50.0M across 3 rounds, most recently a $40.0M Series A in May 2026.
Empowering the world to use AI safely and securely
- Headquarters
- Pittsburgh, Pennsylvania
- Employees
- 11–50
- Founded
- 2023
- Business Model
- B2B
- Website
- grayswan.ai
- Total Funding
- $50.0M
- Last Round
- $40.0M Series AMay 2026
- Rounds
- 3
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 3 funding rounds and 3 investors for this company. The full record is or through the API.
About
Gray Swan AI is an AI safety and security company founded by Carnegie Mellon University researchers who pioneered LLM vulnerability research. The company provides automated adversarial testing, continuous red teaming, and runtime AI security for enterprises and frontier AI labs. Its Arena platform connects over 15,000 red teamers to discover novel AI vulnerabilities daily.
Summary
It lists 11–50 employees. It has raised $50.0M in total across 3 rounds, most recently a $40.0M Series A round in May 2026. Investors include Wing VC, Madrona Venture and Sequoia Capital.
Tech & App Stack
13 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.
Funding History
May 2026
Sign up to see all 3 events
Funding: Seed through Series A. Amounts, valuations, and investors where available.
Investors
Similar Companies
Palantir Technologies builds data integration and analytics platforms (Gotham and Foundry) for go...
Cyera provides an AI-powered data security platform that helps security teams discover, control, ...
Real-time AI platform that detects early signs of high-impact events and emerging risks from publ...
OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artifi...
Appears in
Your company? Embed this profile
Add the live badge to your site — it stays current as your funding data updates.
<a href="https://indexed.vc/companies/gray-swan-ai"><img src="https://indexed.vc/api/badge/company/gray-swan-ai" alt="Gray Swan AI on Indexed.vc" width="260" height="76" /></a>