Adaptive Security vs Horizon3.ai
Which for Cyber Defense AI tool is better in 2026?
Adaptive Security
Security Awareness Training Built for AI Threats.
Horizon3.ai
Autonomous penetration testing with NodeZero, run continuously at production scale
Side-by-side
Horizon3.ai is the more established option (raised $178.5M); pricing is comparable on both sides.
| Metric | Adaptive Security | Horizon3.ai |
|---|---|---|
| Taglinei | Security Awareness Training Built for AI Threats. | Autonomous penetration testing with NodeZero, run continuously at production scale |
| Foundedi | — | 2019🏆 |
| HQi | — | San Francisco, United States |
| Employeesi | 11-50 | 201-500🏆 |
| Neuron scorei | 25 | 72🏆 |
| Total fundingi | Undisclosed | $178.5M🏆 |
| Latest roundi | — | Series D · Jun 2025 |
| Valuationi | — | — |
| Cheapest paid plani | — | Pricing not disclosed |
| Free plani | ✓ | ✗ |
| Free triali | ✗ | ✓ |
| Top tier pricei | Enterprise · Contact sales | Pricing not disclosed |
| Pricing summaryi | 1 published plans | Enterprise · Contact sales |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Adaptive Security and Horizon3.ai.
| Capability | Adaptive Security | Horizon3.ai |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✗ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Adaptive Security
- Offers a free plan
🔵 Strengths of Horizon3.ai
- Has raised more capital ($178.5M vs Undisclosed)
- Higher Neuron score (72 vs 25)
- Offers a free trial
- Newer company (2019)
Which should you choose?
Choose Horizon3.ai if price matters most — it starts at Enterprise · Contact sales, 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 Horizon3.ai if you want the most established option — it has raised $178.5M, 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
Adaptive Security vs Horizon3.ai — which is better?
It depends on your priority. Adaptive Security is the leaner option; Horizon3.ai has broader feature depth. See the side-by-side table above.
Is Adaptive Security cheaper than Horizon3.ai?
No — Horizon3.ai's cheapest paid plan is Enterprise · Contact sales, while Adaptive Security's is Enterprise · Contact sales.
Do Adaptive Security and Horizon3.ai offer free plans?
Adaptive Security: Yes, has a free plan. Horizon3.ai: Free trial only.
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