Helmet Security vs Onyx Security
Helmet Security vs Onyx Security, compared side by side on 19 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: Helmet Security is on 35/100 and Onyx Security on 63/100.
Where each one leads
Helmet Security
- agent readiness: 61/100 against 50/100
Onyx Security
- our overall score: 63/100 against 35/100
- domain rating: 44/100 against 8/100
- headcount: 98 against 6
- funding raised: $153M against $19.0M
- LinkedIn following: 5,381 against 378
At a glance
| Measure | Helmet Security | Onyx Security |
|---|---|---|
| What it is | Secures agentic AI communications and infrastructure with an end-to-end platform. | A secure AI control plane platform for discovering, monitoring, and governing enterprise AI agents. |
| Category | Cybersecurity, Agentic AI, AI Infrastructure Security, AI Security | AI Governance, AI Observability, Cybersecurity, Agentic AI |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Platform |
| Founded | 2023 | 2024 |
| Headquarters | Washington, United States | Tel Aviv, Israel |
| Status | Active | Active |
Size, funding and growth
| Measure | Helmet Security | Onyx Security |
|---|---|---|
| Employees | 6 | 98 |
| Headcount growthLast 12 months | Not published | +75.5% |
| Open roles | Not published | 11 |
| Total funding | $19.0M | $153M |
| Latest round | Seed | Series B |
| Valuation | Not published | $640M |
| LinkedIn followers | 378 | 5,381 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Helmet Security | Onyx Security |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 35/100 | 63/100 |
| Traction | Not published | 60/100 |
| Team | Not published | 80/100 |
| Community | Not published | 42/100 |
| Search visibility | 9/100 | 77/100 |
| Quality | Not published | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | C (61/100) | D (50/100) |
| Domain ratingLink authority, 0-100 | 8/100 | 44/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Helmet Security | Onyx Security |
|---|---|---|
| Hosting | AWS | Not detected |
| CDN | Cloudflare | Cloudflare |
| CMS | Not detected | Webflow |
| Frameworks | Not detected | Bootstrap |
| Analytics | Google Analytics 4 | Google Analytics 4, Google Tag Manager |
| Support stack | HubSpot | HubSpot |
| Open source | Yes | No |
What users say
| Measure | Helmet Security | Onyx Security |
|---|---|---|
| Community ratingVisitor votes on StartupHub | Not published | 2.1/5 from 7 votes |
| Reddit sentimentThreads we track | Not published | 2 positive, 0 negative across 2 threads |
“Onyx Security raises $113 million for AI agent control plane.”r/RuntimeWire
Helmet Security vs Onyx Security: common questions
Which is better, Helmet Security or Onyx Security?
On our 0-100 score Onyx Security rates higher (63/100 against 35/100). 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 19 data points above: read the rows that match what you are buying for.
How do Helmet Security and Onyx Security compare on the numbers?
Helmet Security leads on agent readiness (61/100 against 50/100). Onyx Security leads on our overall score (63/100 against 35/100), domain rating (44/100 against 8/100), headcount (98 against 6), funding raised ($153M against $19.0M), LinkedIn following (5,381 against 378).
What do real users say about Helmet Security and Onyx Security?
Onyx Security: 2 positive and 0 negative mentions across 2 Reddit threads we track, mostly in r/RuntimeWire.
Read the full Helmet Security review and pricing or the Onyx Security review and pricing. You can also browse other Helmet Security alternatives we track.