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Best OpenAI Guardrails Alternatives in 2026

12 apps from AI guardrail software ranked against OpenAI Guardrails on the same published basis.

  1. 1
    PromptGuard Free plan apiextensionLinuxMacself-hosted $19/mo7.3
    OpenAI Guardrails vs PromptGuard
  2. 2
    Enkrypt AI Guardrails Free plan apiself-hostedWeb $11.17/mo7.0
    OpenAI Guardrails vs Enkrypt AI Guardrails
  3. 3
    OpenSecureAI Prompt Firewall Free plan self-hostedWeb $49/mo7.0
    OpenAI Guardrails vs OpenSecureAI Prompt Firewall
  4. 4
    Fiddler Guardrails Free plan apiself-hostedWeb Free6.9
    OpenAI Guardrails vs Fiddler Guardrails
  5. 5
    Amazon Bedrock Guardrails Web $0.07/mo6.8
    OpenAI Guardrails vs Amazon Bedrock Guardrails
  6. 6
    Openlayer Guardrails Free plan apiself-hostedWeb Free6.8
    OpenAI Guardrails vs Openlayer Guardrails
  7. 7
    HiddenLayer AI Runtime Security apiLinuxself-hostedWeb 6.5
    OpenAI Guardrails vs HiddenLayer AI Runtime Security
  8. 9
    Pangea AI Guard apiextensionself-hosted 6.3
    OpenAI Guardrails vs Pangea AI Guard
  9. 10
    Radware Alteon apiLinuxself-hostedWeb 6.3
    OpenAI Guardrails vs Radware Alteon
  10. 11
    Oracle Mobile Authenticator AndroidiOSWin 6.1
    OpenAI Guardrails vs Oracle Mobile Authenticator
  11. 12
    Microsoft Custom Neural Voice Web 5.8
    OpenAI Guardrails vs Microsoft Custom Neural Voice
  12. 13
    PII Firewall Linux 5.7
    OpenAI Guardrails vs PII Firewall
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