Horizon3.ai vs Reach Security
Which for Cyber Defense AI tool is better in 2026?
Horizon3.ai
Autonomous penetration testing with NodeZero, run continuously at production scale
Reach Security
Proactively identify and remediate security control misconfigurations to close gaps faster than AI-powered attacks.
Side-by-side
Horizon3.ai is the more established option (raised $178.5M); pricing is comparable on both sides.
| Metric | Horizon3.ai | Reach Security |
|---|---|---|
| Taglinei | Autonomous penetration testing with NodeZero, run continuously at production scale | Proactively identify and remediate security control misconfigurations to close gaps faster than AI-powered attacks. |
| Foundedi | 2019🏆 | — |
| HQi | San Francisco, United States | — |
| Employeesi | 201-500🏆 | — |
| Neuron scorei | 72🏆 | 18 |
| Total fundingi | $178.5M🏆 | Undisclosed |
| Latest roundi | Series D · Jun 2025 | — |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | — |
| Free plani | ✗ | ✗ |
| Free triali | ✓ | ✗ |
| Top tier pricei | Pricing not disclosed | Enterprise · Contact sales |
| Pricing summaryi | Enterprise · Contact sales | 1 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Horizon3.ai and Reach Security.
| Capability | Horizon3.ai | Reach Security |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Horizon3.ai
- Has raised more capital ($178.5M vs Undisclosed)
- Higher Neuron score (72 vs 18)
- Offers a free trial
- Newer company (2019)
🔵 Strengths of Reach Security
- Strong in AI for Cyber Defense
Which should you choose?
Choose Reach Security 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
Horizon3.ai vs Reach Security — which is better?
It depends on your priority. Horizon3.ai has raised more capital and is the more established option; Reach Security has broader feature depth. See the side-by-side table above.
Is Horizon3.ai cheaper than Reach Security?
No — Reach Security's cheapest paid plan is Enterprise · Contact sales, while Horizon3.ai's is Enterprise · Contact sales.
Do Horizon3.ai and Reach Security offer free plans?
Horizon3.ai: Free trial only. Reach Security: Paid only.
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