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Best ZeroTrusted AI Firewall Alternatives in 2026

Updated

20 apps from LLM security tools ranked against ZeroTrusted AI Firewall on the same published basis.

  1. 1
    Prompt Inspector Free plan apiLinuxMacself-hostedWeb Free6.6
    ZeroTrusted AI Firewall vs Prompt Inspector
  2. 2
    PromptGuard Free plan apiextensionLinuxMacself-hosted $19/mo6.6
    ZeroTrusted AI Firewall vs PromptGuard
  3. 3
    NVIDIA NeMo Guardrails Free plan apiLinuxMacself-hostedWin Free6.5
    ZeroTrusted AI Firewall vs NVIDIA NeMo Guardrails
  4. 4
    Amazon Bedrock Guardrails Web $0.07/mo6.4
    ZeroTrusted AI Firewall vs Amazon Bedrock Guardrails
  5. 5
    Openlayer Guardrails Free plan apiself-hostedWeb Free6.4
    ZeroTrusted AI Firewall vs Openlayer Guardrails
  6. 6
    CyberSecEval Free plan apiLinuxself-hosted Free6.3
    ZeroTrusted AI Firewall vs CyberSecEval
  7. 7
    GLACIS Free plan apiself-hostedWeb Free6.3
    ZeroTrusted AI Firewall vs GLACIS
  8. 8
    LLM Guard Free plan apiLinuxself-hosted Free6.3
    ZeroTrusted AI Firewall vs LLM Guard
  9. 9
    Sanctum Runtime AndroidapiiOSLinuxself-hosted 5.6
    ZeroTrusted AI Firewall vs Sanctum Runtime
  10. 10
    Inferwall apiLinuxMacWin 5.5
    ZeroTrusted AI Firewall vs Inferwall
  11. 11
    WitnessAI apiWebWin 5.5
    ZeroTrusted AI Firewall vs WitnessAI
  12. 12
    Check Point AI Guardrails apiself-hostedWeb 5.4
    ZeroTrusted AI Firewall vs Check Point AI Guardrails
  13. 13
    Guardrails AI apiself-hostedWeb 5.4
    ZeroTrusted AI Firewall vs Guardrails AI
  14. 14
    HiddenLayer AI Guardrails self-hostedWeb $416666.67/mo5.4
    ZeroTrusted AI Firewall vs HiddenLayer AI Guardrails
  15. 15
    Lasso AI Security Platform apiextensionWeb 5.4
    ZeroTrusted AI Firewall vs Lasso AI Security Platform
  16. 16
    Noma Security apiself-hostedWeb 5.4
    ZeroTrusted AI Firewall vs Noma Security
  17. 17
    Prisma AIRS AI Gateway apiself-hostedWeb 5.4
    ZeroTrusted AI Firewall vs Prisma AIRS AI Gateway
  18. 18
    Straiker Defend AI apiself-hostedWeb $8333.33/mo5.4
    ZeroTrusted AI Firewall vs Straiker Defend AI
  19. 19
    VotalAI Free trial apiself-hostedWeb 5.4
    ZeroTrusted AI Firewall vs VotalAI
  20. 20
    GuardionAI Free trial apiLinuxMacself-hostedWeb 5.2
    ZeroTrusted AI Firewall vs GuardionAI

ZeroTrusted AI Firewall alternatives compared

#AppScoreFree planFromRuns on
1Prompt Inspector6.6Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
2PromptGuard6.6Free plan$19/moAPI, Browser, Linux, Mac, self-hosted, Web, Windows
3NVIDIA NeMo Guardrails6.5Free planFreeAPI, Linux, Mac, self-hosted, Windows
4Amazon Bedrock Guardrails6.4No$0.07/moWeb
5Openlayer Guardrails6.4Free planFreeAPI, self-hosted, Web
6CyberSecEval6.3Free planFreeAPI, Linux, self-hosted
7GLACIS6.3Free planFreeAPI, self-hosted, Web
8LLM Guard6.3Free planFreeAPI, Linux, self-hosted
9Sanctum Runtime5.6No—Android, API, iOS, Linux, self-hosted, Web
10Inferwall5.5No—API, Linux, Mac, Windows
11WitnessAI5.5No—API, Web, Windows
12Check Point AI Guardrails5.4No—API, self-hosted, Web
13Guardrails AI5.4No—API, self-hosted, Web
14HiddenLayer AI Guardrails5.4No$416666.67/moself-hosted, Web
15Lasso AI Security Platform5.4No—API, Browser, Web
16Noma Security5.4No—API, self-hosted, Web
17Prisma AIRS AI Gateway5.4No—API, self-hosted, Web
18Straiker Defend AI5.4No$8333.33/moAPI, self-hosted, Web
19VotalAI5.4No—API, self-hosted, Web
20GuardionAI5.2No—API, Linux, Mac, self-hosted, Web, Windows
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Questions about ZeroTrusted AI Firewall alternatives

What is the best alternative to ZeroTrusted AI Firewall?

Prompt Inspector, number 1 in LLM security tools with a score of 6.6 out of 10. The others here: PromptGuard, NVIDIA NeMo Guardrails, Amazon Bedrock Guardrails and 16 more.

What is the best free alternative to ZeroTrusted AI Firewall?

Prompt Inspector is the best-ranked alternative with a free plan. 7 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.