Onyx Security vs Vijil
Onyx Security vs Vijil, 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: Onyx Security is on 63/100 and Vijil on 55/100.
Where each one leads
Onyx Security
- our overall score: 63/100 against 55/100
- agent readiness: 50/100 against 42/100
- headcount: 98 against 25
- funding raised: $153M against $17.0M
- LinkedIn following: 5,381 against 2,081
Vijil
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Onyx Security | Vijil |
|---|---|---|
| What it is | A secure AI control plane platform for discovering, monitoring, and governing enterprise AI agents. | Vijil provides AI software tools for developers to build, test, and operate trustworthy intelligent AI agents. |
| Category | AI Governance, AI Observability, Cybersecurity, Agentic AI | Agentic AI, AI Agent, AI Testing, AI Observability |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Software |
| Founded | 2024 | 2023 |
| Headquarters | Tel Aviv, Israel | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Onyx Security | Vijil |
|---|---|---|
| Employees | 98 | 25 |
| Headcount growthLast 12 months | +75.5% | Not published |
| Open roles | 11 | Not published |
| Total funding | $153M | $17.0M |
| Latest round | Series B | Seed |
| Valuation | $640M | Not published |
| LinkedIn followers | 5,381 | 2,081 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Onyx Security | Vijil |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 63/100 | 55/100 |
| Traction | 60/100 | 50/100 |
| Team | 80/100 | 60/100 |
| Community | 42/100 | Not published |
| Search visibility | 77/100 | 36/100 |
| Quality | 58/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (50/100) | D (42/100) |
| Domain ratingLink authority, 0-100 | 44/100 | 41/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Onyx Security | Vijil |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | Webflow | Webflow |
| Frameworks | Bootstrap | Not detected |
| Analytics | Google Analytics 4, Google Tag Manager | Not detected |
| Support stack | HubSpot | Not detected |
| Open source | No | Yes |
Product and pricing
| Measure | Onyx Security | Vijil |
|---|---|---|
| Key features | Not published | Harden Agents During Development, Defend Agents During Operation, Test Agents for Trust Continuously, Vijil Evaluate Platform, Vijil Trust Scores, Vijil Playground |
What users say
| Measure | Onyx Security | Vijil |
|---|---|---|
| Community ratingVisitor votes on StartupHub | 2.1/5 from 7 votes | Not published |
| Reddit sentimentThreads we track | 2 positive, 0 negative across 2 threads | Not published |
“Onyx Security raises $113 million for AI agent control plane.”r/RuntimeWire
Onyx Security vs Vijil: common questions
Which is better, Onyx Security or Vijil?
On our 0-100 score Onyx Security 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 Onyx Security and Vijil compare on the numbers?
Onyx Security leads on our overall score (63/100 against 55/100), agent readiness (50/100 against 42/100), headcount (98 against 25), funding raised ($153M against $17.0M), LinkedIn following (5,381 against 2,081).
What do real users say about Onyx Security and Vijil?
Onyx Security: 2 positive and 0 negative mentions across 2 Reddit threads we track, mostly in r/RuntimeWire.
Read the full Onyx Security review and pricing or the Vijil review and pricing. You can also browse other Onyx Security alternatives we track.

