Noma Security vs RadixArk
Which Infrastructure AI tool is better in 2026?
Noma Security
End-to-end security for agentic AI
RadixArk
Open infrastructure for frontier AI, built on SGLang
Side-by-side
Noma Security is the more established option (raised $132M); pricing is comparable on both sides.
| Metric | Noma Security | RadixArk |
|---|---|---|
| Taglinei | End-to-end security for agentic AI | Open infrastructure for frontier AI, built on SGLang |
| Foundedi | 2023🏆 | 2025 |
| HQi | IL | San Francisco, US |
| Employeesi | — | 1-10🏆 |
| Neuron scorei | 90🏆 | 72 |
| Total fundingi | $132M🏆 | $100M |
| Latest roundi | Series B · Jul 2025 | Seed · May 2026 |
| Valuationi | — | $400M🏆 |
| 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 | Open source |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Noma Security and RadixArk.
| Capability | Noma Security | RadixArk |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Noma Security
- Has raised more capital ($132M vs $100M)
- Higher Neuron score (90 vs 72)
- More mature (2023)
🔵 Strengths of RadixArk
- Offers a free plan
- Newer company (2025)
Which should you choose?
Choose RadixArk if price matters most — it starts at Open source, which is friendlier for teams watching burn. Both AI Infrastructure tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Noma Security if you want the most established option — it has raised $132M, 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
Noma Security vs RadixArk — which is better?
It depends on your priority. Noma Security has raised more capital and is the more established option; RadixArk has broader feature depth. See the side-by-side table above.
Is Noma Security cheaper than RadixArk?
No — RadixArk's cheapest paid plan is Open source, while Noma Security's is Pricing not listed.
Do Noma Security and RadixArk offer free plans?
Noma Security: Paid only. RadixArk: Yes, has a free plan.
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