Gray Swan
Pittsburgh, US · Founded 2023 · 10 known investors
Gray Swan provides automated adversarial testing and runtime AI security solutions for enterprises and AI labs deploying large language models. The company maintains a red teaming network to identify vulnerabilities and protect AI systems in production.
AI & Machine LearningCybersecurityEnterprise Software
Founders & leadership
Gray Swan was founded in 2023 by Jeremy Kolter, Matthew Fredrikson, and Jiaming Zou.
JK
Jeremy KolterCo-founder
MF
Matthew FredriksonCo-founder
JZ
Jiaming ZouCo-founder
Investors · 10
Juniper Ventures Management, LlcSan Francisco
Madrona Venture GroupSeattle · $2M – $10M
WingPalo Alto · $200K – $20M
Magarac Venture PartnersreportedPittsburgh · $500K – $5M
Obvious VenturesreportedSan Francisco · $250K – $6M
Samsung NextreportedSan Jose · $100K – $5M
Snowflake VenturesreportedMenlo Park · $1M – $20M
Also in the syndicate · 3
Hudson River TradingMadronaleadWing Venture Capitallead
Funding
SEC filings, press & company announcements$85.7M disclosed across 4 rounds · 2024–2026
- $40MSeries AJun 2026 · 3 sources
Madrona (lead), Wing Venture Capital (lead), Hudson River Trading, Magarac Venture Partners, Obvious Ventures, Samsung Next, Snowflake Ventures
Source ↗ - $40MSeries AMay 2026 · 2 sourcesSource ↗
▶$5.5MraisedMay 2024 · 1 investors · Other TechnologyRule 506(b)
▶$5.5MraisedMay 2024 · 1 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Matthew FredriksonExecutive Officer, Director, Promoter
- Jiaming ZouExecutive Officer, Director, Promoter
- Jeremy KolterExecutive Officer, Director, Promoter
- Offering amount
- $5.5M
- Amount sold
- $5.5M
- Proceeds to insiders
- $350K
- First sale
- May 2024
- Incorporated
- Corporation, Delaware, 2023
- Federal exemptions
- 06b
▶$180KraisedMar 2024 · 4 investors · Other TechnologyRule 506(b)
▶$180KraisedMar 2024 · 4 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Jeremy KolterExecutive Officer, Director, Promoter
- Matthew FredriksonExecutive Officer, Director, Promoter
- Jiaming ZouExecutive Officer, Director, Promoter
- Offering amount
- $1M
- Amount sold
- $180K
- First sale
- Mar 2024
- Incorporated
- Corporation, Delaware, 2023
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Founder mafia
2 people who came through Gray Swan went on to found or lead other companies.
Competitors · 2
by search overlapHugging Face21 shared keywordsHugging Face is a collaboration platform that hosts and provides access to machine learning models, datasets, and applications. It offers both open-source tools for the ML community and paid compute and enterprise solutions for teams building AI applications.
Startuphub9 shared keywordsStartupHub is a searchable directory and intelligence platform that tracks startups, investors, founders, funding rounds, patents, and research across the AI ecosystem, using AI agents to detect signals like funding, hiring, launches, and stealth-company activity. It serves investors, founders, sales teams, competitive intelligence, recruiting, and corporate development users, offering watchlists, alerts, market maps, email finding, and a developer API.
Companies competing with Gray Swan for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Gray Swan do?
- Gray Swan provides automated adversarial testing and runtime AI security solutions for enterprises and AI labs deploying large language models. The company maintains a red teaming network to identify vulnerabilities and protect AI systems in production.
- Who founded Gray Swan?
- Gray Swan was founded by Jeremy Kolter, Matthew Fredrikson, Jiaming Zou in 2023.
- Who are Gray Swan's investors?
- Gray Swan's investors include Juniper Ventures Management, Llc, Madrona Venture Group, Wing, Magarac Venture Partners, Obvious Ventures, Samsung Next, Snowflake Ventures.
- How much funding has Gray Swan raised?
- Gray Swan has disclosed $85.7M raised across 4 rounds.
- Where is Gray Swan headquartered?
- Gray Swan is headquartered in Pittsburgh, US.