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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
    Amazon Bedrock Guardrails Web $0.07/mo7.9
    NVIDIA NeMo Guardrails vs Amazon Bedrock Guardrails
  2. 2
    PromptGuard Free plan apiextensionLinuxMacself-hosted $19/mo7.8
    NVIDIA NeMo Guardrails vs PromptGuard
  3. 3
    WitnessAI apiWebWin 7.2
    NVIDIA NeMo Guardrails vs WitnessAI
  4. 4
    LLM Guard 7.1
    NVIDIA NeMo Guardrails vs LLM Guard
  5. 6
    GLACIS Free plan apiself-hostedWeb Free7.1
    NVIDIA NeMo Guardrails vs GLACIS
  6. 7
    Guardrails AI apiself-hostedWeb 7.0
    NVIDIA NeMo Guardrails vs Guardrails AI
  7. 8
    Lasso AI Security Platform apiextensionWeb 7.0
    NVIDIA NeMo Guardrails vs Lasso AI Security Platform
  8. 9
    Openlayer Guardrails Free plan apiself-hostedWeb Free7.0
    NVIDIA NeMo Guardrails vs Openlayer Guardrails
  9. 10
    Noma Security 6.8
    NVIDIA NeMo Guardrails vs Noma Security
  10. 11
    GuardionAI Free trial apiLinuxMacself-hostedWeb 6.8
    NVIDIA NeMo Guardrails vs GuardionAI
  11. 12
    Sanctum Runtime AndroidapiiOSself-hostedWeb 6.7
    NVIDIA NeMo Guardrails vs Sanctum Runtime
  12. 13
    Prompt Inspector Free plan apiLinuxMacself-hostedWeb Free6.5
    NVIDIA NeMo Guardrails vs Prompt Inspector
  13. 14
    Straiker Defend AI 6.4
    NVIDIA NeMo Guardrails vs Straiker Defend AI
  14. 15
    VotalAI Web 6.3
    NVIDIA NeMo Guardrails vs VotalAI
  15. 16
    ZeroTrusted AI Firewall self-hostedWeb 6.3
    NVIDIA NeMo Guardrails vs ZeroTrusted AI Firewall
  16. 17
    SecureAI Guard apiself-hostedWeb $2,999/mo6.2
    NVIDIA NeMo Guardrails vs SecureAI Guard
  17. 18
    Rocotal Web 5.7
    NVIDIA NeMo Guardrails vs Rocotal
  18. 19
    Inferwall WinMacLinux 5.7
    NVIDIA NeMo Guardrails vs Inferwall
  19. 20
    Check Point AI Guardrails Web 5.7
    NVIDIA NeMo Guardrails vs Check Point AI Guardrails
  20. 21
    HiddenLayer AI Guardrails self-hostedWeb $416666.67/mo5.7
    NVIDIA NeMo Guardrails vs HiddenLayer AI Guardrails

NVIDIA NeMo Guardrails alternatives compared

#AppScoreFree planFromRuns on
1Amazon Bedrock Guardrails7.9No$0.07/moWeb
2PromptGuard7.8Free plan$19/moAPI, Browser, Linux, Mac, self-hosted, Web, Windows
3WitnessAI7.2No—API, Web, Windows
4LLM Guard7.1No——
6GLACIS7.1Free planFreeAPI, self-hosted, Web
7Guardrails AI7.0No—API, self-hosted, Web
8Lasso AI Security Platform7.0No—API, Browser, Web
9Openlayer Guardrails7.0Free planFreeAPI, self-hosted, Web
10Noma Security6.8No——
11GuardionAI6.8No—API, Linux, Mac, self-hosted, Web, Windows
12Sanctum Runtime6.7No—Android, API, iOS, self-hosted, Web
13Prompt Inspector6.5Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
14Straiker Defend AI6.4No——
15VotalAI6.3No—Web
16ZeroTrusted AI Firewall6.3No—self-hosted, Web
17SecureAI Guard6.2No$2,999/moAPI, self-hosted, Web
18Rocotal5.7No—Web
19Inferwall5.7No—Windows, Mac, Linux
20Check Point AI Guardrails5.7No—Web
21HiddenLayer AI Guardrails5.7No$416666.67/moself-hosted, Web
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Questions about NVIDIA NeMo Guardrails alternatives

What is the best alternative to NVIDIA NeMo Guardrails?

Amazon Bedrock Guardrails, number 1 in LLM security tools with a score of 7.9 out of 10. The others here: PromptGuard, WitnessAI, LLM Guard and 16 more.

What is the best free alternative to NVIDIA NeMo Guardrails?

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