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Best GuardionAI Alternatives in 2026

Updated

20 apps from LLM security tools ranked against GuardionAI on the same published basis.

  1. 1
    PromptGuard Free plan apiextensionLinuxMacself-hosted $19/mo7.2
    GuardionAI vs PromptGuard
  2. 2
    Prompt Inspector Free plan apiLinuxMacself-hostedWeb Free7.1
    GuardionAI vs Prompt Inspector
  3. 3
    Amazon Bedrock Guardrails Web $0.07/mo6.8
    GuardionAI vs Amazon Bedrock Guardrails
  4. 4
    Openlayer Guardrails Free plan apiself-hostedWeb Free6.8
    GuardionAI vs Openlayer Guardrails
  5. 5
    GLACIS Free plan apiself-hostedWeb Free6.7
    GuardionAI vs GLACIS
  6. 6
    Inferwall apiLinuxMacWin 6.5
    GuardionAI vs Inferwall
  7. 7
    WitnessAI apiWebWin 6.5
    GuardionAI vs WitnessAI
  8. 9
    Guardrails AI apiself-hostedWeb 6.3
    GuardionAI vs Guardrails AI
  9. 10
    Lasso AI Security Platform apiextensionWeb 6.3
    GuardionAI vs Lasso AI Security Platform
  10. 11
    Sanctum Runtime AndroidapiiOSself-hostedWeb 6.3
    GuardionAI vs Sanctum Runtime
  11. 12
    VotalAI Free trial apiself-hostedWeb 6.3
    GuardionAI vs VotalAI
  12. 13
    Amazon Nova ReelAmazon Web Services apiWeb 6.2
    GuardionAI vs Amazon Nova Reel
  13. 14
    Check Point AI Guardrails apiself-hostedWeb 6.2
    GuardionAI vs Check Point AI Guardrails
  14. 15
    HiddenLayer AI Guardrails self-hostedWeb $416666.67/mo6.2
    GuardionAI vs HiddenLayer AI Guardrails
  15. 16
    Noma Security apiself-hostedWeb 6.2
    GuardionAI vs Noma Security
  16. 17
    Prisma AIRS AI Gateway apiself-hostedWeb 6.2
    GuardionAI vs Prisma AIRS AI Gateway
  17. 18
    SecureAI Guard apiself-hostedWeb $2,999/mo6.0
    GuardionAI vs SecureAI Guard
  18. 19
    ZeroTrusted AI Firewall self-hostedWeb 6.0
    GuardionAI vs ZeroTrusted AI Firewall
  19. 20
    Microsoft Custom Neural Voice Web 5.8
    GuardionAI vs Microsoft Custom Neural Voice
  20. 21
    NVIDIA NeMo Guardrails 5.6
    GuardionAI vs NVIDIA NeMo Guardrails

GuardionAI alternatives compared

#AppScoreFree planFromRuns on
1PromptGuard7.2Free plan$19/moAPI, Browser, Linux, Mac, self-hosted, Web, Windows
2Prompt Inspector7.1Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
3Amazon Bedrock Guardrails6.8No$0.07/moWeb
4Openlayer Guardrails6.8Free planFreeAPI, self-hosted, Web
5GLACIS6.7Free planFreeAPI, self-hosted, Web
6Inferwall6.5No—API, Linux, Mac, Windows
7WitnessAI6.5No—API, Web, Windows
9Guardrails AI6.3No—API, self-hosted, Web
10Lasso AI Security Platform6.3No—API, Browser, Web
11Sanctum Runtime6.3No—Android, API, iOS, self-hosted, Web
12VotalAI6.3No—API, self-hosted, Web
13Amazon Nova Reel6.2No—API, Web
14Check Point AI Guardrails6.2No—API, self-hosted, Web
15HiddenLayer AI Guardrails6.2No$416666.67/moself-hosted, Web
16Noma Security6.2No—API, self-hosted, Web
17Prisma AIRS AI Gateway6.2No—API, self-hosted, Web
18SecureAI Guard6.0No$2,999/moAPI, self-hosted, Web
19ZeroTrusted AI Firewall6.0No—self-hosted, Web
20Microsoft Custom Neural Voice5.8No—Web
21NVIDIA NeMo Guardrails5.6No——
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Questions about GuardionAI alternatives

What is the best alternative to GuardionAI?

PromptGuard, number 1 in LLM security tools with a score of 7.2 out of 10. The others here: Prompt Inspector, Amazon Bedrock Guardrails, Openlayer Guardrails and 16 more.

What is the best free alternative to GuardionAI?

PromptGuard 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 on what each maker publishes: documentation depth, a free tier and the platforms it runs on.