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Horizon3.ai vs Persona

Which for Cyber Defense AI tool is better in 2026?

Horizon3.ai

Autonomous penetration testing with NodeZero, run continuously at production scale

$178.5M

Persona

Persona provides flexible and secure identity verification solutions for businesses to verify real people and real businesses online.

$417.5M

Side-by-side

Verdict

Persona is the more established option (raised $417.5M); pricing is comparable on both sides.

Metric Horizon3.ai Persona
Taglinei Autonomous penetration testing with NodeZero, run continuously at production scale Persona provides flexible and secure identity verification solutions for businesses to verify real people and real businesses online.
Foundedi 2019🏆
HQi San Francisco, United States US
Employeesi 201-500 201-500
Neuron scorei 72🏆 53
Total fundingi $178.5M $417.5M🏆
Latest roundi Series D · Jun 2025 Series D · Apr 2025
Valuationi $2B🏆
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 Enterprise · Contact sales
Categoriesi

Capability matrix

Developer-facing capabilities and access signals for Horizon3.ai and Persona.

Capability Horizon3.ai Persona
MCP support
Public API
Webhooks
OAuth 2.0
SDK languages 5 (JavaScript, iOS, Android, React Native…)
Free plan
Free trial
Verified
Active deal

🟢 Strengths of Horizon3.ai

  • Higher Neuron score (72 vs 53)
  • Offers a free trial
  • Newer company (2019)

🔵 Strengths of Persona

  • Has raised more capital ($417.5M vs $178.5M)

Which should you choose?

Choose Persona 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 Persona if you want the most established option — it has raised $417.5M, 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 Persona — which is better?

It depends on your priority. Horizon3.ai is the leaner option; Persona has broader feature depth. See the side-by-side table above.

Is Horizon3.ai cheaper than Persona?

No — Persona's cheapest paid plan is Enterprise · Contact sales, while Horizon3.ai's is Enterprise · Contact sales.

Do Horizon3.ai and Persona offer free plans?

Horizon3.ai: Free trial only. Persona: Paid only.

Contextual paths to related AI startups, deals and rankings.