Radiant Security vs Kai Cyber
Radiant Security vs Kai Cyber, 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: Radiant Security is on 57/100 and Kai Cyber on 52/100.
Where each one leads
Radiant Security
- our overall score: 57/100 against 52/100
- domain rating: 52/100 against 40/100
Kai Cyber
- agent readiness: 45/100 against 21/100
- funding raised: $125M against $15.0M
At a glance
| Measure | Radiant Security | Kai Cyber |
|---|---|---|
| What it is | AI-powered SecOps platform to automate SOC workflows and boost analyst productivity. | Agentic AI platform for autonomous, machine-speed cybersecurity defense and risk reduction. |
| Category | Enterprise, Cybersecurity, Threat Detection, Security Operations | Cybersecurity, Artificial Intelligence, AI, SaaS |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Platform |
| Founded | 2021 | 2025 |
| Headquarters | San Francisco, United States | San Jose, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Radiant Security | Kai Cyber |
|---|---|---|
| Employees | 62 | Not published |
| Headcount growthLast 12 months | +24.9% | Not published |
| Total funding | $15.0M | $125M |
| Latest round | Series A | Series A |
| LinkedIn followers | 6,108 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Radiant Security | Kai Cyber |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 57/100 | 52/100 |
| Traction | 54/100 | 40/100 |
| Team | 60/100 | 60/100 |
| Community | Not published | 18/100 |
| Search visibility | 36/100 | 29/100 |
| Quality | 62/100 | 65/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (21/100) | D (45/100) |
| Domain ratingLink authority, 0-100 | 52/100 | 40/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Radiant Security | Kai Cyber |
|---|---|---|
| Hosting | Self Managed | Not detected |
| CDN | Not detected | Cloudflare |
| CMS | WordPress | Webflow |
| Frameworks | Bootstrap | Not detected |
| Analytics | Google Analytics 4, Google Tag Manager | Not detected |
| Support stack | Not detected | HubSpot |
What users say
| Measure | Radiant Security | Kai Cyber |
|---|---|---|
| Community ratingVisitor votes on StartupHub | Not published | 4.0/5 from 1 vote |
Radiant Security vs Kai Cyber: common questions
Which is better, Radiant Security or Kai Cyber?
On our 0-100 score Radiant Security rates higher (57/100 against 52/100). 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 Radiant Security and Kai Cyber compare on the numbers?
Radiant Security leads on our overall score (57/100 against 52/100), domain rating (52/100 against 40/100). Kai Cyber leads on agent readiness (45/100 against 21/100), funding raised ($125M against $15.0M).
Read the full Radiant Security review and pricing or the Kai Cyber review and pricing. You can also browse other Radiant Security alternatives we track.

