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Best HiddenLayer AI Runtime Security Alternatives in 2026

Updated

20 platforms from AI guardrail software ranked against HiddenLayer AI Runtime Security on the same published basis.

  1. 1
    Enkrypt AI Guardrails Free plan apiself-hostedWeb $134/mo7.1
    HiddenLayer AI Runtime Security vs Enkrypt AI Guardrails
  2. 2
    OpenSecureAI Prompt Firewall Free plan self-hostedWeb $49/mo7.1
    HiddenLayer AI Runtime Security vs OpenSecureAI Prompt Firewall
  3. 3
    PromptGuard Free plan apiextensionLinuxMacself-hosted $19/mo7.1
    HiddenLayer AI Runtime Security vs PromptGuard
  4. 4
    Fiddler Guardrails Free plan apiself-hostedWeb Free7.0
    HiddenLayer AI Runtime Security vs Fiddler Guardrails
  5. 5
    Openlayer Guardrails Free plan apiself-hostedWeb Free7.0
    HiddenLayer AI Runtime Security vs Openlayer Guardrails
  6. 6
    Amazon Bedrock Guardrails Web $0.07/mo6.9
    HiddenLayer AI Runtime Security vs Amazon Bedrock Guardrails
  7. 7
    VotalAI Free trial apiself-hostedWeb 6.9
    HiddenLayer AI Runtime Security vs VotalAI
  8. 8
    PII Firewall Free plan Linuxself-hosted Free6.7
    HiddenLayer AI Runtime Security vs PII Firewall
  9. 10
    Guardrails AI apiself-hostedWeb 6.4
    HiddenLayer AI Runtime Security vs Guardrails AI
  10. 11
    OpenAI Guardrails apiself-hostedWeb 6.4
    HiddenLayer AI Runtime Security vs OpenAI Guardrails
  11. 12
    Pangea AI Guard apiextensionself-hosted 6.4
    HiddenLayer AI Runtime Security vs Pangea AI Guard
  12. 13
    Radware Alteon apiLinuxself-hostedWeb 6.3
    HiddenLayer AI Runtime Security vs Radware Alteon
  13. 14
    Check Point AI Guardrails apiself-hostedWeb 6.2
    HiddenLayer AI Runtime Security vs Check Point AI Guardrails
  14. 15
    OpenGuardrails apiself-hostedWeb $10/mo6.1
    HiddenLayer AI Runtime Security vs OpenGuardrails
  15. 16
    Oracle Mobile Authenticator AndroidiOSWin 6.1
    HiddenLayer AI Runtime Security vs Oracle Mobile Authenticator
  16. 17
    Amazon Nova ReelAmazon Web Services apiWeb 6.0
    HiddenLayer AI Runtime Security vs Amazon Nova Reel
  17. 18
    Microsoft Custom Neural Voice Web 5.9
    HiddenLayer AI Runtime Security vs Microsoft Custom Neural Voice
  18. 19
    NVIDIA NeMo Guardrails 5.4
    HiddenLayer AI Runtime Security vs NVIDIA NeMo Guardrails
  19. 20
    CyberSecEval Free plan apiLinuxself-hosted Free5.2
    HiddenLayer AI Runtime Security vs CyberSecEval
  20. 21
    LLM Guard 4.9
    HiddenLayer AI Runtime Security vs LLM Guard

HiddenLayer AI Runtime Security 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
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
15OpenGuardrails6.1No$10/moAPI, 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——
20CyberSecEval5.2Free planFreeAPI, Linux, self-hosted
21LLM Guard4.9No——
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Questions about HiddenLayer AI Runtime Security alternatives

What is the best alternative to HiddenLayer AI Runtime Security?

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 HiddenLayer AI Runtime Security?

Enkrypt AI Guardrails is the best-ranked alternative with a free plan. 7 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.