Startup · United States
Gray Swan AI
HQ Pittsburgh, PennsylvaniaFounded 202311-50 employeesUpdated
Gray Swan provides enterprise-grade security solutions for LLMs, developed by the pioneers of AI vulnerability research.
Funding3 rounds · ~$50.0M
- Equity raised
- ~$50.0M
- Latest
- $40.0MSeries A · May 28, 2026
- Last valuation
- $200M?Basis not stated · Series A · May 28, 2026
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| May 28, 2026 | Series A | $40.0M | $200M? | Madrona Venture Group, Wing Venture Capital | Samsung Next | Confirmed |
| 2024 | Undisclosed | ~$5.0M | — | — | — | Reported |
| 2025 | Undisclosed | ~$5.0M | — | — | — | Reported |
- $40.0MMay 28, 2026
- Undisclosed~$5.0M2024
- Undisclosed~$5.0M2025
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
Systems2
Newest unveiled first. Systems that belong to a government program link to the program page, where variants, costs and contracts are.
Capabilities1
| Technology | Role | Maturity | TRL | Notes | Confidence |
|---|---|---|---|---|---|
| Information management and cybersecurity | Developer | — | — | classify_sectors run 37, haiku, taxonomy 2026-10-18b: Enterprise security solutions for LLMs developed from AI vulnerability research; cybersecurity is in the defense sector, but no military use is stated. | Reported |
- Developerclassify_sectors run 37, haiku, taxonomy 2026-10-18b: Enterprise security solutions for LLMs developed from AI vulnerability research; cybersecurity is in the defense sector, but no military use is stated.—Reported
Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.
People5
| Person | Role |
|---|---|
| Andy Zou · LinkedIn ↗ | Co-Founder |
| Matt Fredrikson · LinkedIn ↗ | Co-founder and Chief Executive Officer |
| Zico Kolter · LinkedIn ↗ | Chief Scientist and Co-Founder |
| Muhammad Waqar · LinkedIn ↗ | CEO |
| Rob Jenks · LinkedIn ↗ | Chief Strategy Officer |
Sources9
Profile3
- 1
PitchBook · Supports Organization · employee range, Organization · founded year, Organization · linkedin url, Organization · x url
“employee_range: 11-50 (profile: 29)”
- 2
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "USA", "hq_iso2": "US", "id": "4fe577f3-83f3-49cc-b7a4-b08c976753dd"}”
- 3
LinkedIn · Supports Organization · employee range, Organization · founded year, Organization · hq city, Organization · hq region, Organization · linkedin url
“employee_range: 11-50 (profile: 11-50 employees)”
Systems1
- 4
Gray Swan AI · Supports Organization · description, Organization · name, Organization · website, System
“Gray Swan provides enterprise-grade security solutions for LLMs, developed by the pioneers of AI vulnerability research. Deploy AI with confidence using just two lines of code.”
Funding4
- 5
May 28, 2026 · Supports Funding round
“Gray Swan works with every major frontier AI lab. Now it’s raised $40 million as it expands to sell security tools to enterprises building AI”
- 6
Gray Swan · May 28, 2026 · Supports Funding round, Organization · ownership
“today announced a $40 million Series A round co-led by”
- 7NewsPittsburgh-based Gray Swan raised a $40M Series A at a $200M valuation co-led by Wing VC and Madrona
Techmeme (citing Forbes) · May 28, 2026 · Supports Funding round · post money valuation usd
“raised a $40M Series A at a $200M valuation”
- 8
Technical.ly · Supports Funding round · amount
“It previously raised $5 million of early-stage capital in 2024 and another $5 million in 2025, according to PitchBook.”
People1
- 9
Crunchbase · Supports Organization · employee range, Organization · hq city, Organization · linkedin url, Organization · x url, Role
“employee_range: 11-50 (profile: 11-50)”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.