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Best NVIDIA NeMo Guardrails Alternatives in 2026

Updated

20 platforms from LLM security tools ranked against NVIDIA NeMo Guardrails on the same published basis.

  1. 1
    Prompt Inspector Free plan apiLinuxMacself-hostedWeb Free7.2
    NVIDIA NeMo Guardrails vs Prompt Inspector
  2. 2
    Amazon Bedrock Guardrails Web $0.07/mo7.0
    NVIDIA NeMo Guardrails vs Amazon Bedrock Guardrails
  3. 3
    PromptGuard Free plan apiextensionLinuxMacself-hosted $19/mo7.0
    NVIDIA NeMo Guardrails vs PromptGuard
  4. 4
    GLACIS Free plan apiself-hostedWeb Free6.9
    NVIDIA NeMo Guardrails vs GLACIS
  5. 5
    GuardionAI Free trial apiLinuxMacself-hostedWeb 6.9
    NVIDIA NeMo Guardrails vs GuardionAI
  6. 6
    Openlayer Guardrails Free plan apiself-hostedWeb Free6.9
    NVIDIA NeMo Guardrails vs Openlayer Guardrails
  7. 7
    VotalAI Free trial apiself-hostedWeb 6.9
    NVIDIA NeMo Guardrails vs VotalAI
  8. 8
    Inferwall apiLinuxMacWin 6.5
    NVIDIA NeMo Guardrails vs Inferwall
  9. 9
    WitnessAI apiWebWin 6.5
    NVIDIA NeMo Guardrails vs WitnessAI
  10. 10
    Guardrails AI apiself-hostedWeb 6.4
    NVIDIA NeMo Guardrails vs Guardrails AI
  11. 11
    Lasso AI Security Platform apiextensionWeb 6.4
    NVIDIA NeMo Guardrails vs Lasso AI Security Platform
  12. 12
    Check Point AI Guardrails apiself-hostedWeb 6.3
    NVIDIA NeMo Guardrails vs Check Point AI Guardrails
  13. 13
    HiddenLayer AI Guardrails self-hostedWeb $416666.67/mo6.3
    NVIDIA NeMo Guardrails vs HiddenLayer AI Guardrails
  14. 14
    Noma Security apiself-hostedWeb 6.3
    NVIDIA NeMo Guardrails vs Noma Security
  15. 15
    Prisma AIRS AI Gateway apiself-hostedWeb 6.3
    NVIDIA NeMo Guardrails vs Prisma AIRS AI Gateway
  16. 16
    Sanctum Runtime AndroidapiiOSself-hostedWeb 6.3
    NVIDIA NeMo Guardrails vs Sanctum Runtime
  17. 17
    SecureAI Guard apiself-hostedWeb $2,999/mo6.1
    NVIDIA NeMo Guardrails vs SecureAI Guard
  18. 18
    Amazon Nova ReelAmazon Web Services apiWeb 6.0
    NVIDIA NeMo Guardrails vs Amazon Nova Reel
  19. 19
    ZeroTrusted AI Firewall self-hostedWeb 6.0
    NVIDIA NeMo Guardrails vs ZeroTrusted AI Firewall
  20. 20
    Microsoft Custom Neural Voice Web 5.9
    NVIDIA NeMo Guardrails vs Microsoft Custom Neural Voice

NVIDIA NeMo Guardrails alternatives compared

#PlatformScoreFree planFromRuns on
1Prompt Inspector7.2Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
2Amazon Bedrock Guardrails7.0No$0.07/moWeb
3PromptGuard7.0Free plan$19/moAPI, Browser, Linux, Mac, self-hosted, Web, Windows
4GLACIS6.9Free planFreeAPI, self-hosted, Web
5GuardionAI6.9No—API, Linux, Mac, self-hosted, Web, Windows
6Openlayer Guardrails6.9Free planFreeAPI, self-hosted, Web
7VotalAI6.9No—API, self-hosted, Web
8Inferwall6.5No—API, Linux, Mac, Windows
9WitnessAI6.5No—API, Web, Windows
10Guardrails AI6.4No—API, self-hosted, Web
11Lasso AI Security Platform6.4No—API, Browser, Web
12Check Point AI Guardrails6.3No—API, self-hosted, Web
13HiddenLayer AI Guardrails6.3No$416666.67/moself-hosted, Web
14Noma Security6.3No—API, self-hosted, Web
15Prisma AIRS AI Gateway6.3No—API, self-hosted, Web
16Sanctum Runtime6.3No—Android, API, iOS, self-hosted, Web
17SecureAI Guard6.1No$2,999/moAPI, self-hosted, Web
18Amazon Nova Reel6.0No—API, Web
19ZeroTrusted AI Firewall6.0No—self-hosted, Web
20Microsoft Custom Neural Voice5.9No—Web
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Questions about NVIDIA NeMo Guardrails alternatives

What is the best alternative to NVIDIA NeMo Guardrails?

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

What is the best free alternative to NVIDIA NeMo Guardrails?

Prompt Inspector 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 how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.