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Best NVIDIA NeMo Guardrails Alternatives in 2026

Updated

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

  1. 1
    Prompt Inspector Free plan apiLinuxMacself-hostedWeb Free6.6
    NVIDIA NeMo Guardrails vs Prompt Inspector
  2. 2
    PromptGuard Free plan apiextensionLinuxMacself-hosted $19/mo6.6
    NVIDIA NeMo Guardrails vs PromptGuard
  3. 4
    Amazon Bedrock Guardrails Web $0.07/mo6.4
    NVIDIA NeMo Guardrails vs Amazon Bedrock Guardrails
  4. 5
    Openlayer Guardrails Free plan apiself-hostedWeb Free6.4
    NVIDIA NeMo Guardrails vs Openlayer Guardrails
  5. 6
    CyberSecEval Free plan apiLinuxself-hosted Free6.3
    NVIDIA NeMo Guardrails vs CyberSecEval
  6. 7
    GLACIS Free plan apiself-hostedWeb Free6.3
    NVIDIA NeMo Guardrails vs GLACIS
  7. 8
    LLM Guard Free plan apiLinuxself-hosted Free6.3
    NVIDIA NeMo Guardrails vs LLM Guard
  8. 9
    Sanctum Runtime AndroidapiiOSLinuxself-hosted 5.6
    NVIDIA NeMo Guardrails vs Sanctum Runtime
  9. 10
    Inferwall apiLinuxMacWin 5.5
    NVIDIA NeMo Guardrails vs Inferwall
  10. 11
    WitnessAI apiWebWin 5.5
    NVIDIA NeMo Guardrails vs WitnessAI
  11. 12
    Check Point AI Guardrails apiself-hostedWeb 5.4
    NVIDIA NeMo Guardrails vs Check Point AI Guardrails
  12. 13
    Guardrails AI apiself-hostedWeb 5.4
    NVIDIA NeMo Guardrails vs Guardrails AI
  13. 14
    HiddenLayer AI Guardrails self-hostedWeb $416666.67/mo5.4
    NVIDIA NeMo Guardrails vs HiddenLayer AI Guardrails
  14. 15
    Lasso AI Security Platform apiextensionWeb 5.4
    NVIDIA NeMo Guardrails vs Lasso AI Security Platform
  15. 16
    Noma Security apiself-hostedWeb 5.4
    NVIDIA NeMo Guardrails vs Noma Security
  16. 17
    Prisma AIRS AI Gateway apiself-hostedWeb 5.4
    NVIDIA NeMo Guardrails vs Prisma AIRS AI Gateway
  17. 18
    Straiker Defend AI apiself-hostedWeb $8333.33/mo5.4
    NVIDIA NeMo Guardrails vs Straiker Defend AI
  18. 19
    VotalAI Free trial apiself-hostedWeb 5.4
    NVIDIA NeMo Guardrails vs VotalAI
  19. 20
    GuardionAI Free trial apiLinuxMacself-hostedWeb 5.2
    NVIDIA NeMo Guardrails vs GuardionAI
  20. 21
    Microsoft Custom Neural Voice Web 5.2
    NVIDIA NeMo Guardrails vs Microsoft Custom Neural Voice

NVIDIA NeMo Guardrails 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
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
21Microsoft Custom Neural Voice5.2No—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 6.6 out of 10. The others here: PromptGuard, Amazon Bedrock Guardrails, Openlayer Guardrails and 16 more.

What is the best free alternative to NVIDIA NeMo Guardrails?

Prompt Inspector is the best-ranked alternative with a free plan. 6 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.