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Best PII Firewall Alternatives in 2026

12 apps from AI guardrail software ranked against PII Firewall on the same published basis.

  1. 1
    PromptGuard Free plan apiextensionLinuxMacself-hosted $19/mo7.3
    PII Firewall vs PromptGuard
  2. 2
    Enkrypt AI Guardrails Free plan apiself-hostedWeb $11.17/mo7.0
    PII Firewall vs Enkrypt AI Guardrails
  3. 3
    OpenSecureAI Prompt Firewall Free plan self-hostedWeb $49/mo7.0
    PII Firewall vs OpenSecureAI Prompt Firewall
  4. 4
    Fiddler Guardrails Free plan apiself-hostedWeb Free6.9
    PII Firewall vs Fiddler Guardrails
  5. 5
    Amazon Bedrock Guardrails Web $0.07/mo6.8
    PII Firewall vs Amazon Bedrock Guardrails
  6. 6
    Openlayer Guardrails Free plan apiself-hostedWeb Free6.8
    PII Firewall vs Openlayer Guardrails
  7. 7
    HiddenLayer AI Runtime Security apiLinuxself-hostedWeb 6.5
    PII Firewall vs HiddenLayer AI Runtime Security
  8. 8
    OpenAI Guardrails apiself-hostedWeb 6.4
    PII Firewall vs OpenAI Guardrails
  9. 9
    Pangea AI Guard apiextensionself-hosted 6.3
    PII Firewall vs Pangea AI Guard
  10. 10
    Radware Alteon apiLinuxself-hostedWeb 6.3
    PII Firewall vs Radware Alteon
  11. 11
    Oracle Mobile Authenticator AndroidiOSWin 6.1
    PII Firewall vs Oracle Mobile Authenticator
  12. 12
    Microsoft Custom Neural Voice Web 5.8
    PII Firewall vs Microsoft Custom Neural Voice
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