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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
    Sanctum Runtime AndroidapiiOSself-hostedWeb 7.1
    ZeroTrusted AI Firewall vs Sanctum Runtime
  2. 2
    Amazon Bedrock Guardrails Web $0.07/mo6.3
    ZeroTrusted AI Firewall vs Amazon Bedrock Guardrails
  3. 3
    Openlayer Guardrails Free plan apiself-hostedWeb Free6.3
    ZeroTrusted AI Firewall vs Openlayer Guardrails
  4. 4
    PromptGuard Free plan apiextensionLinuxMacself-hosted $19/mo6.3
    ZeroTrusted AI Firewall vs PromptGuard
  5. 5
    GLACIS Free plan apiself-hostedWeb Free6.2
    ZeroTrusted AI Firewall vs GLACIS
  6. 6
    Prompt Inspector Free plan apiLinuxMacself-hostedWeb Free6.2
    ZeroTrusted AI Firewall vs Prompt Inspector
  7. 7
    Guardrails AI apiself-hostedWeb 5.8
    ZeroTrusted AI Firewall vs Guardrails AI
  8. 8
    Lasso AI Security Platform apiextensionWeb 5.8
    ZeroTrusted AI Firewall vs Lasso AI Security Platform
  9. 9
    VotalAI Free trial apiself-hostedWeb 5.8
    ZeroTrusted AI Firewall vs VotalAI
  10. 10
    WitnessAI apiWebWin 5.8
    ZeroTrusted AI Firewall vs WitnessAI
  11. 11
    Check Point AI Guardrails apiself-hostedWeb 5.7
    ZeroTrusted AI Firewall vs Check Point AI Guardrails
  12. 12
    HiddenLayer AI Guardrails self-hostedWeb $416666.67/mo5.7
    ZeroTrusted AI Firewall vs HiddenLayer AI Guardrails
  13. 13
    Inferwall apiLinuxMacWin 5.7
    ZeroTrusted AI Firewall vs Inferwall
  14. 14
    Noma Security apiself-hostedWeb 5.7
    ZeroTrusted AI Firewall vs Noma Security
  15. 15
    Prisma AIRS AI Gateway apiself-hostedWeb 5.7
    ZeroTrusted AI Firewall vs Prisma AIRS AI Gateway
  16. 16
    Amazon Nova ReelAmazon Web Services apiWeb 5.6
    ZeroTrusted AI Firewall vs Amazon Nova Reel
  17. 17
    GuardionAI Free trial apiLinuxMacself-hostedWeb 5.5
    ZeroTrusted AI Firewall vs GuardionAI
  18. 18
    SecureAI Guard apiself-hostedWeb $2,999/mo5.5
    ZeroTrusted AI Firewall vs SecureAI Guard
  19. 20
    Microsoft Custom Neural Voice Web 5.4
    ZeroTrusted AI Firewall vs Microsoft Custom Neural Voice
  20. 21
    LLM Guard 5.3
    ZeroTrusted AI Firewall vs LLM Guard

ZeroTrusted AI Firewall alternatives compared

#AppScoreFree planFromRuns on
1Sanctum Runtime7.1No—Android, API, iOS, self-hosted, Web
2Amazon Bedrock Guardrails6.3No$0.07/moWeb
3Openlayer Guardrails6.3Free planFreeAPI, self-hosted, Web
4PromptGuard6.3Free plan$19/moAPI, Browser, Linux, Mac, self-hosted, Web, Windows
5GLACIS6.2Free planFreeAPI, self-hosted, Web
6Prompt Inspector6.2Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
7Guardrails AI5.8No—API, self-hosted, Web
8Lasso AI Security Platform5.8No—API, Browser, Web
9VotalAI5.8No—API, self-hosted, Web
10WitnessAI5.8No—API, Web, Windows
11Check Point AI Guardrails5.7No—API, self-hosted, Web
12HiddenLayer AI Guardrails5.7No$416666.67/moself-hosted, Web
13Inferwall5.7No—API, Linux, Mac, Windows
14Noma Security5.7No—API, self-hosted, Web
15Prisma AIRS AI Gateway5.7No—API, self-hosted, Web
16Amazon Nova Reel5.6No—API, Web
17GuardionAI5.5No—API, Linux, Mac, self-hosted, Web, Windows
18SecureAI Guard5.5No$2,999/moAPI, self-hosted, Web
20Microsoft Custom Neural Voice5.4No—Web
21LLM Guard5.3No——
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Questions about ZeroTrusted AI Firewall alternatives

What is the best alternative to ZeroTrusted AI Firewall?

Sanctum Runtime, number 1 in LLM security tools with a score of 7.1 out of 10. The others here: Amazon Bedrock Guardrails, Openlayer Guardrails, PromptGuard and 16 more.

What is the best free alternative to ZeroTrusted AI Firewall?

Openlayer Guardrails is the best-ranked alternative with a free plan. 4 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.