Gray Swan vs Jiritsu
Gray Swan vs Jiritsu, compared side by side on 18 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 Jiritsu on 53/100.
Where each one leads
Gray Swan
- our overall score: 63/100 against 53/100
- agent readiness: 39/100 against 21/100
- domain rating: 64/100 against 26/100
- headcount: 81 against 5
- funding raised: $45.7M against $10.2M
- LinkedIn following: 7,116 against 236
Jiritsu
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Gray Swan | Jiritsu |
|---|---|---|
| What it is | Gray Swan provides enterprise-grade security solutions for LLMs, developed by the pioneers of AI vulnerability research, enabling confident AI deployment. | Decentralized protocol enabling verifiable compute for AI and blockchain applications. |
| Category | Cybersecurity, AI Safety, AI Alignment, Large Language Model | Computing, Blockchain, Decentralized Compute, Verifiable Compute |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Platform |
| Founded | 2023 | 2021 |
| Headquarters | Pittsburgh, United States | Not published |
| Status | Active | Active |
Size, funding and growth
| Measure | Gray Swan | Jiritsu |
|---|---|---|
| Employees | 81 | 5 |
| Headcount growthLast 12 months | Not published | -21.7% |
| Total funding | $45.7M | $10.2M |
| Latest round | Series A | Seed |
| Valuation | $200M | Not published |
| LinkedIn followers | 7,116 | 236 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Gray Swan | Jiritsu |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 63/100 | 53/100 |
| Traction | 57/100 | 43/100 |
| Team | 70/100 | 70/100 |
| Search visibility | 23/100 | 25/100 |
| Quality | 72/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (39/100) | F (21/100) |
| Domain ratingLink authority, 0-100 | 64/100 | 26/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Gray Swan | Jiritsu |
|---|---|---|
| CDN | Cloudflare | Not detected |
| CMS | Webflow | Not detected |
| Frameworks | Tailwind CSS | Not detected |
| Analytics | PostHog | Not detected |
| Support stack | HubSpot | Not detected |
What users say
| Measure | Gray Swan | Jiritsu |
|---|---|---|
| Reddit sentimentThreads we track | 5 positive, 0 negative across 5 threads | 1 positive, 0 negative across 1 thread |
“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/
“Jacob Guedalia highlights Jiritsu’s vision for RWA tokensation #Gold #realestate #News #Technology #Innovation.”r/grafa
Gray Swan vs Jiritsu: common questions
Which is better, Gray Swan or Jiritsu?
On our 0-100 score Gray Swan rates higher (63/100 against 53/100). 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 18 data points above: read the rows that match what you are buying for.
How do Gray Swan and Jiritsu compare on the numbers?
Gray Swan leads on our overall score (63/100 against 53/100), agent readiness (39/100 against 21/100), domain rating (64/100 against 26/100), headcount (81 against 5), funding raised ($45.7M against $10.2M), LinkedIn following (7,116 against 236).
What do real users say about Gray Swan and Jiritsu?
Gray Swan: 5 positive and 0 negative mentions across 5 Reddit threads we track. Jiritsu: 1 positive and 0 negative mentions across 1 Reddit threads we track, mostly in r/grafa.
Read the full Gray Swan review and pricing or the Jiritsu review and pricing. You can also browse other Gray Swan alternatives we track.

