Artemis Security vs Tenzai
Which for Cyber Defense AI tool is better in 2026?
Artemis Security
AI-native protection platform for modern security operations
Tenzai
AI-powered penetration testing platform that runs full, end-to-end pentests autonomously
Side-by-side
Tenzai is the more established option (raised $75M); pricing is comparable on both sides.
| Metric | Artemis Security | Tenzai |
|---|---|---|
| Taglinei | AI-native protection platform for modern security operations | AI-powered penetration testing platform that runs full, end-to-end pentests autonomously |
| Foundedi | 2025 | 2025 |
| HQi | New York, United States | — |
| Employeesi | 30🏆 | 11-50 |
| Neuron scorei | 71🏆 | 56 |
| Total fundingi | $70M | $75M🏆 |
| Latest roundi | Series A · Apr 2026 | Seed |
| 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 | Contact-sales | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Artemis Security and Tenzai.
| Capability | Artemis Security | Tenzai |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✓ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Artemis Security
- Higher Neuron score (71 vs 56)
🔵 Strengths of Tenzai
- Has raised more capital ($75M vs $70M)
- Offers a free plan
- Offers a free trial
Which should you choose?
Choose Tenzai if price matters most — it starts at Free, 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 Tenzai if you want the most established option — it has raised $75M, 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
Artemis Security vs Tenzai — which is better?
It depends on your priority. Artemis Security is the leaner option; Tenzai has broader feature depth. See the side-by-side table above.
Is Artemis Security cheaper than Tenzai?
No — Tenzai's cheapest paid plan is Free, while Artemis Security's is Contact-sales.
Do Artemis Security and Tenzai offer free plans?
Artemis Security: Paid only. Tenzai: Yes, has a free plan.
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