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Best OpenGuardrails Alternatives in 2026

Updated

20 platforms from AI guardrail software ranked against OpenGuardrails on the same published basis.

  1. 1
    Enkrypt AI Guardrails Free plan apiself-hostedWeb $134/mo7.1
    OpenGuardrails vs Enkrypt AI Guardrails
  2. 2
    OpenSecureAI Prompt Firewall Free plan self-hostedWeb $49/mo7.1
    OpenGuardrails vs OpenSecureAI Prompt Firewall
  3. 3
    PromptGuard Free plan apiextensionLinuxMacself-hosted $19/mo7.1
    OpenGuardrails vs PromptGuard
  4. 4
    Fiddler Guardrails Free plan apiself-hostedWeb Free7.0
    OpenGuardrails vs Fiddler Guardrails
  5. 5
    Openlayer Guardrails Free plan apiself-hostedWeb Free7.0
    OpenGuardrails vs Openlayer Guardrails
  6. 6
    Amazon Bedrock Guardrails Web $0.07/mo6.9
    OpenGuardrails vs Amazon Bedrock Guardrails
  7. 7
    VotalAI Free trial apiself-hostedWeb 6.9
    OpenGuardrails vs VotalAI
  8. 8
    PII Firewall Free plan Linuxself-hosted Free6.7
    OpenGuardrails vs PII Firewall
  9. 9
    HiddenLayer AI Runtime Security apiLinuxself-hostedWeb 6.6
    OpenGuardrails vs HiddenLayer AI Runtime Security
  10. 10
    Guardrails AI apiself-hostedWeb 6.4
    OpenGuardrails vs Guardrails AI
  11. 11
    OpenAI Guardrails apiself-hostedWeb 6.4
    OpenGuardrails vs OpenAI Guardrails
  12. 12
    Pangea AI Guard apiextensionself-hosted 6.4
    OpenGuardrails vs Pangea AI Guard
  13. 13
    Radware Alteon apiLinuxself-hostedWeb 6.3
    OpenGuardrails vs Radware Alteon
  14. 14
    Check Point AI Guardrails apiself-hostedWeb 6.2
    OpenGuardrails vs Check Point AI Guardrails
  15. 16
    Oracle Mobile Authenticator AndroidiOSWin 6.1
    OpenGuardrails vs Oracle Mobile Authenticator
  16. 17
    Amazon Nova ReelAmazon Web Services apiWeb 6.0
    OpenGuardrails vs Amazon Nova Reel
  17. 18
    Microsoft Custom Neural Voice Web 5.9
    OpenGuardrails vs Microsoft Custom Neural Voice
  18. 19
    NVIDIA NeMo Guardrails 5.4
    OpenGuardrails vs NVIDIA NeMo Guardrails
  19. 20
    CyberSecEval 5.2
    OpenGuardrails vs CyberSecEval
  20. 21
    LLM Guard 4.9
    OpenGuardrails vs LLM Guard

OpenGuardrails alternatives compared

#PlatformScoreFree planFromRuns on
1Enkrypt AI Guardrails7.1Free plan$134/moAPI, self-hosted, Web
2OpenSecureAI Prompt Firewall7.1Free plan$49/moself-hosted, Web
3PromptGuard7.1Free plan$19/moAPI, Browser, Linux, Mac, self-hosted, Web, Windows
4Fiddler Guardrails7.0Free planFreeAPI, self-hosted, Web
5Openlayer Guardrails7.0Free planFreeAPI, self-hosted, Web
6Amazon Bedrock Guardrails6.9No$0.07/moWeb
7VotalAI6.9No—API, self-hosted, Web
8PII Firewall6.7Free planFreeLinux, self-hosted
9HiddenLayer AI Runtime Security6.6No—API, Linux, self-hosted, Web
10Guardrails AI6.4No—API, self-hosted, Web
11OpenAI Guardrails6.4No—API, self-hosted, Web
12Pangea AI Guard6.4No—API, Browser, self-hosted
13Radware Alteon6.3No—API, Linux, self-hosted, Web
14Check Point AI Guardrails6.2No—API, self-hosted, Web
16Oracle Mobile Authenticator6.1No—Android, iOS, Windows
17Amazon Nova Reel6.0No—API, Web
18Microsoft Custom Neural Voice5.9No—Web
19NVIDIA NeMo Guardrails5.4No——
20CyberSecEval5.2No——
21LLM Guard4.9No——
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Questions about OpenGuardrails alternatives

What is the best alternative to OpenGuardrails?

Enkrypt AI Guardrails, number 1 in AI guardrail software with a score of 7.1 out of 10. The others here: OpenSecureAI Prompt Firewall, PromptGuard, Fiddler Guardrails and 16 more.

What is the best free alternative to OpenGuardrails?

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