Alter vs Artemis Security
Which for Cyber Defense AI tool is better in 2026?
Alter
Secure access control and authorization platform for agent workflows
Artemis Security
AI-native protection platform for modern security operations
Side-by-side
Artemis Security is the more established option (raised $70M); pricing is comparable on both sides.
| Metric | Alter | Artemis Security |
|---|---|---|
| Taglinei | Secure access control and authorization platform for agent workflows | AI-native protection platform for modern security operations |
| Foundedi | 2025 | 2025 |
| HQi | New York, US | New York, United States |
| Employeesi | 1-10 | 30🏆 |
| Neuron scorei | 50 | 71🏆 |
| Total fundingi | $500K | $70M🏆 |
| Latest roundi | Seed · Jan 2025 | Series A · Apr 2026 |
| 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 | Contact-sales |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Alter and Artemis Security.
| Capability | Alter | Artemis Security |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✓ |
| OAuth 2.0 | ✗ | ✓ |
| SDK languages | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Alter
- Strong in AI for Cyber Defense
🔵 Strengths of Artemis Security
- Has raised more capital ($70M vs $500K)
- Higher Neuron score (71 vs 50)
Which should you choose?
Choose Artemis Security if price matters most — it starts at 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 Artemis Security if you want the most established option — it has raised $70M, 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
Alter vs Artemis Security — which is better?
It depends on your priority. Alter is the leaner option; Artemis Security has broader feature depth. See the side-by-side table above.
Is Alter cheaper than Artemis Security?
No — Artemis Security's cheapest paid plan is Contact-sales, while Alter's is Pricing not listed.
Do Alter and Artemis Security offer free plans?
Alter: Paid only. Artemis Security: Paid only.
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