Artemis Security vs Sublime Security
Which Agents AI tool is better in 2026?
Artemis Security
AI-native protection platform for modern security operations
Sublime Security
Autonomous email defense for the post-LLM threat era
Side-by-side
Sublime Security leads on both fronts — more capital raised ($244M) and a lower entry price than Artemis Security.
| Metric | Artemis Security | Sublime Security |
|---|---|---|
| Taglinei | AI-native protection platform for modern security operations | Autonomous email defense for the post-LLM threat era |
| Foundedi | 2025 | 2020🏆 |
| HQi | New York, United States | Washington, US |
| Employeesi | 30🏆 | 101-250 |
| Neuron scorei | 71🏆 | 52 |
| Total fundingi | $70M | $244M🏆 |
| Latest roundi | Series A · Apr 2026 | Series C · Oct 2025 |
| Valuationi | — | —🏆 |
| Cheapest paid plani | Pricing not disclosed | —🏆 |
| Free plani | ✗ | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Pricing not disclosed | Enterprise · Contact sales |
| Pricing summaryi | Contact-sales | 1 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Artemis Security and Sublime Security.
| Capability | Artemis Security | Sublime Security |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✓ | ✓ |
| OAuth 2.0 | ✓ | ✓ |
| SDK languages | — | 2 (python, go) |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Artemis Security
- Higher Neuron score (71 vs 52)
- Newer company (2025)
🔵 Strengths of Sublime Security
- Has raised more capital ($244M vs $70M)
- More mature (2020)
Which should you choose?
Choose Sublime Security if price matters most — it starts at Freemium, which is friendlier for teams watching burn. Both AI Agents tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Sublime Security if you want the most established option — it has raised $244M, 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 Sublime Security — which is better?
It depends on your priority. Artemis Security is the leaner option; Sublime Security is cheaper to start. See the side-by-side table above.
Is Artemis Security cheaper than Sublime Security?
No — Sublime Security's cheapest paid plan is Freemium, while Artemis Security's is Contact-sales.
Do Artemis Security and Sublime Security offer free plans?
Artemis Security: Paid only. Sublime Security: Paid only.
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