Horizon3.ai vs Vega Security
Which for Cyber Defense AI tool is better in 2026?
Horizon3.ai
Autonomous penetration testing with NodeZero, run continuously at production scale
Vega Security
AI-native security analytics mesh
Side-by-side
Vega Security is the more established option (raised $185M); pricing is comparable on both sides.
| Metric | Horizon3.ai | Vega Security |
|---|---|---|
| Taglinei | Autonomous penetration testing with NodeZero, run continuously at production scale | AI-native security analytics mesh |
| Foundedi | 2019🏆 | 2024 |
| HQi | San Francisco, United States | IL |
| Employeesi | 201-500🏆 | — |
| Neuron scorei | 72🏆 | 47 |
| Total fundingi | $178.5M | $185M🏆 |
| Latest roundi | Series D · Jun 2025 | Series B · Feb 2026 |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | Pricing not disclosed |
| Free plani | ✗ | ✗ |
| Free triali | ✓ | ✗ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Enterprise · Contact sales | Pricing not listed |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Horizon3.ai and Vega Security.
| Capability | Horizon3.ai | Vega Security |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Horizon3.ai
- Higher Neuron score (72 vs 47)
- Offers a free trial
- More mature (2019)
🔵 Strengths of Vega Security
- Has raised more capital ($185M vs $178.5M)
- Newer company (2024)
Which should you choose?
Choose Vega Security if price matters most — it starts at Pricing not listed, which is friendlier for teams watching burn. Both AI for Cyber Defense tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Vega Security if you want the most established option — it has raised $185M, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Horizon3.ai vs Vega Security — which is better?
It depends on your priority. Horizon3.ai is the leaner option; Vega Security has broader feature depth. See the side-by-side table above.
Is Horizon3.ai cheaper than Vega Security?
No — Vega Security's cheapest paid plan is Pricing not listed, while Horizon3.ai's is Enterprise · Contact sales.
Do Horizon3.ai and Vega Security offer free plans?
Horizon3.ai: Free trial only. Vega Security: Paid only.
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