Gray Swan vs Jericho Security
Gray Swan vs Jericho Security, compared side by side on 21 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Gray Swan is on 63/100 and Jericho Security on 55/100.
Where each one leads
Gray Swan
- our overall score: 63/100 against 55/100
- domain rating: 64/100 against 46/100
- headcount: 81 against 39
- funding raised: $45.7M against $18.0M
- LinkedIn following: 7,116 against 3,116
Jericho Security
- agent readiness: 50/100 against 39/100
At a glance
| Measure | Gray Swan | Jericho Security |
|---|---|---|
| What it is | Gray Swan provides enterprise-grade security solutions for LLMs, developed by the pioneers of AI vulnerability research, enabling confident AI deployment. | AI-powered cybersecurity training platform using CyberGPT for phishing simulation and threat defense. |
| Category | Cybersecurity, AI Safety, AI Alignment, Large Language Model | Cybersecurity, Threat Detection, Generative AI, AI Safety |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2023 | 2023 |
| Headquarters | Pittsburgh, United States | New York, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Gray Swan | Jericho Security |
|---|---|---|
| Employees | 81 | 39 |
| Headcount growthLast 12 months | Not published | +37.2% |
| Total funding | $45.7M | $18.0M |
| Latest round | Series A | Seed |
| Valuation | $200M | Not published |
| LinkedIn followers | 7,116 | 3,116 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Gray Swan | Jericho Security |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 63/100 | 55/100 |
| Traction | 57/100 | 52/100 |
| Team | 70/100 | 60/100 |
| Search visibility | 23/100 | 32/100 |
| Quality | 72/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (39/100) | D (50/100) |
| Domain ratingLink authority, 0-100 | 64/100 | 46/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Gray Swan | Jericho Security |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | Webflow | Not detected |
| Frameworks | Tailwind CSS | Jquery, Tailwind CSS, Bootstrap |
| Analytics | PostHog | Google Analytics 4, Google Tag Manager, Microsoft Clarity, Linkedin Insight +1 more |
| Support stack | HubSpot | Not detected |
What users say
| Measure | Gray Swan | Jericho Security |
|---|---|---|
| Reddit sentimentThreads we track | 5 positive, 0 negative across 5 threads | Not published |
“Gray Swan AI—where AI security meets the underground. This is the proving ground for red teamers, hackers, & AI skeptics pushing models to their limits. Jailbreak, exploit, & expose vulnerabilities in cutting-edge AI systems.”r/
Gray Swan vs Jericho Security: common questions
Which is better, Gray Swan or Jericho Security?
On our 0-100 score Gray Swan rates higher (63/100 against 55/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 21 data points above: read the rows that match what you are buying for.
How do Gray Swan and Jericho Security compare on the numbers?
Gray Swan leads on our overall score (63/100 against 55/100), domain rating (64/100 against 46/100), headcount (81 against 39), funding raised ($45.7M against $18.0M), LinkedIn following (7,116 against 3,116). Jericho Security leads on agent readiness (50/100 against 39/100).
What do real users say about Gray Swan and Jericho Security?
Gray Swan: 5 positive and 0 negative mentions across 5 Reddit threads we track.
Read the full Gray Swan review and pricing or the Jericho Security review and pricing. You can also browse other Gray Swan alternatives we track.

