Startup Atlas
Gray Swan Security Inc.
Gray Swan offers security solutions for LLMs, according to its own description.
Last successful source check: 2026-10-26
Company website: grayswan.ai
Inclusion criteria were assessed against available sources. Private-company status and category may be model assessments; no hands-on test or independent confirmation is implied.
- Status
- Unknown or unverified
- Category
- ai-security · Model assessment
- Validated funding
- $5,500,000 sold so far, per SEC Form D filed 2024-05-24
- Pricing excerpt
- Unknown or unverified
- Open roles
- Unknown or unverified
- AI visibility
- Unmeasured. Visibility products are held.
What it does
The company describes its solutions as enterprise-grade security for LLMs, which it says can be deployed with just two lines of code. Source
What the company says (captured excerpt)
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.
Captured company wording; it may be incomplete. No hands-on test is implied.
Identity & inclusion
Name: Unknown or unverified; last successful source check 2026-10-26
Legal name: Gray Swan Security Inc.
Privately held: Yes · Model assessment
Founded: Unknown or unverified; last successful source check 2026-10-26
Pricing
Unknown or unverified; last successful source check 2026-10-26
Validated price change history is unavailable in this snapshot.
How it differs
Model comparison is unmeasured; no checked comparison with five nearest rivals is available in this snapshot.
Launches and changes
Validated product launch and change history is unavailable in this snapshot.
Team signals
Open roles: Unknown in this snapshot.
Departments are unavailable in this snapshot.
Similar startups
Validated similar startups are unavailable in this snapshot.
Funding & backers
$5,500,000 sold so far, per SEC Form D filed 2024-05-24
- $40M Series A · announced date not found · named backers: Wing Venture Capital, Madrona, Obvious Ventures · Source
- $180,000 sold so far · filed 2024-03-21 · SEC filing · Form D original filing. · Source
- $5,500,000 sold so far · filed 2024-05-24 · SEC filing · Form D original filing. · Source
Offering amendments are combined. Announcement and filing overlap is unresolved, so these rows are not added into a total raised.
Wing Venture Capital / Madrona / Obvious Ventures
Sources & check dates
Checked 2026-10-26
SHA-256 4bb4094a90d13ec78aa2f093c10df710541e288ee299e883ac667a5f94c1de6dGray 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.
Checked 2026-10-25
SHA-256 c5c58a2d17e7ab68d4990a0c46966cfb1025ad71a7067cc74680987392500dc2Gray Swan Security Inc.
Checked 2026-10-26
SHA-256 fd84219d2b234b2cf32293fbbb453a0db23b588b4bff4415cfef130967c95107<totalAmountSold>5500000</totalAmountSold>
Checked 2026-10-26
SHA-256 f043375eadbe6c68d7655f3b486cd831d0c7c215c1df45fcc95dd8d5a2a9e7b1Wing Venture Capital