Hex Security vs Horizon3.ai
Which for Cyber Defense AI tool is better in 2026?
Hex Security
Agentic Offensive Security at Scale
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 | Hex Security | Horizon3.ai |
|---|---|---|
| Taglinei | Agentic Offensive Security at Scale | Autonomous penetration testing with NodeZero, run continuously at production scale |
| Foundedi | 2026 | 2019🏆 |
| HQi | San Francisco, US | San Francisco, United States |
| Employeesi | 1-10 | 201-500🏆 |
| Neuron scorei | 49 | 72🏆 |
| Total fundingi | $500K | $178.5M🏆 |
| Latest roundi | Seed · Jan 2026 | Series D · Jun 2025 |
| 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 | Pricing not listed | Enterprise · Contact sales |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Hex Security and Horizon3.ai.
| Capability | Hex Security | Horizon3.ai |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Hex Security
- Newer company (2026)
🔵 Strengths of Horizon3.ai
- Has raised more capital ($178.5M vs $500K)
- Higher Neuron score (72 vs 49)
- Offers a free trial
- More mature (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
Hex Security vs Horizon3.ai — which is better?
It depends on your priority. Hex Security is the leaner option; Horizon3.ai has broader feature depth. See the side-by-side table above.
Is Hex Security cheaper than Horizon3.ai?
No — Horizon3.ai's cheapest paid plan is Enterprise · Contact sales, while Hex Security's is Pricing not listed.
Do Hex Security and Horizon3.ai offer free plans?
Hex Security: Paid only. Horizon3.ai: Free trial only.
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