Casco vs Gray Swan
Casco vs Gray Swan, compared side by side on 17 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: Casco is on 37/100 and Gray Swan on 63/100.
Where each one leads
Casco
- agent readiness: 51/100 against 39/100
Gray Swan
- our overall score: 63/100 against 37/100
- domain rating: 64/100 against 30/100
- headcount: 81 against 12
- LinkedIn following: 7,116 against 1,595
At a glance
| Measure | Casco | Gray Swan |
|---|---|---|
| What it is | Casco provides autonomous security testing for AI systems, acting as an always-on AI red team. | Gray Swan provides enterprise-grade security solutions for LLMs, developed by the pioneers of AI vulnerability research, enabling confident AI deployment. |
| Category | Agentic AI, AI Testing, AI Safety, AI Security | Cybersecurity, AI Safety, AI Alignment, Large Language Model |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2023 | 2023 |
| Headquarters | San Francisco, United States | Pittsburgh, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Casco | Gray Swan |
|---|---|---|
| Employees | 12 | 81 |
| Total funding | Not published | $45.7M |
| Latest round | Not published | Series A |
| Valuation | Not published | $200M |
| LinkedIn followers | 1,595 | 7,116 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Casco | Gray Swan |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 37/100 | 63/100 |
| Traction | 11/100 | 57/100 |
| Team | 70/100 | 70/100 |
| Search visibility | 34/100 | 23/100 |
| Quality | Not published | 72/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (51/100) | F (39/100) |
| Domain ratingLink authority, 0-100 | 30/100 | 64/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Casco | Gray Swan |
|---|---|---|
| Hosting | Vercel | Not detected |
| CDN | Vercel | Cloudflare |
| CMS | Not detected | Webflow |
| Frameworks | Next.js, Tailwind CSS | Tailwind CSS |
| Analytics | Not detected | PostHog |
| Support stack | Not detected | HubSpot |
Product and pricing
| Measure | Casco | Gray Swan |
|---|---|---|
| Key features | Autonomous Security Testing, Year-round Security, Clear Findings & Reports, One-click Retest, Expert-led Onboarding | Not published |
What users say
| Measure | Casco | Gray Swan |
|---|---|---|
| Reddit sentimentThreads we track | Not published | 5 positive, 0 negative across 5 threads |
“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/
Casco vs Gray Swan: common questions
Which is better, Casco or Gray Swan?
On our 0-100 score Gray Swan rates higher (63/100 against 37/100). 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 17 data points above: read the rows that match what you are buying for.
How do Casco and Gray Swan compare on the numbers?
Casco leads on agent readiness (51/100 against 39/100). Gray Swan leads on our overall score (63/100 against 37/100), domain rating (64/100 against 30/100), headcount (81 against 12), LinkedIn following (7,116 against 1,595).
What do real users say about Casco and Gray Swan?
Gray Swan: 5 positive and 0 negative mentions across 5 Reddit threads we track.
Read the full Casco review and pricing or the Gray Swan review and pricing. You can also browse other Casco alternatives we track.