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Head-to-head · AI Guardrail Software

Enkrypt AI Guardrails vs Fiddler Guardrails

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Enkrypt AI Guardrails #1 in AI Guardrail Software 9.4/10 Free plan Free plan✓ 4 of 4 features Visit Enkrypt AI
Fiddler Guardrails #9 in AI Guardrail Software 8.2/10 Free plan Free plan✓ 4 of 4 features Visit Fiddler

Enkrypt AI Guardrails leads on 0 checks, Fiddler Guardrails on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreEnkrypt AI Guardrails · 9.4/10
  • Free planboth

Enkrypt AI Guardrails scores higher on our rubric for ai guardrail software: 9.4 against 8.2 out of 10; our editors rank them #1 and #9.

Enkrypt AI Guardrails is the better fit for teams needing broad production guardrails. Fiddler Guardrails is the better fit for teams needing affordable runtime evaluation.

  • Enkrypt AI Guardrails fits best

    Teams needing broad production guardrails

  • Fiddler Guardrails fits best

    Teams needing affordable runtime evaluation

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Side by side

Feature Enkrypt AI Guardrails 9.4/10 Visit ↗ Fiddler Guardrails 8.2/10 Visit ↗
At a glance
Editor score 9.4 8.2
Ranking #1 in AI Guardrail Software #9 in AI Guardrail Software
Best for Teams needing broad production guardrails Teams needing affordable runtime evaluation
Pricing model Free plan + paid Free plan + paid
Starting price $134/mo $0.002/unit usage-based
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Web Web
Support Email, Community, Live chat, Docs · 24/7 Docs
Compliance SOC 2, ISO 27001, GDPR, HIPAA SOC 2, HIPAA, SSO/SAML
Integrations 10 integrations 4 integrations
Built for Solo, Small business, Mid-market, Enterprise Enterprise
Features Enkrypt AI Guardrails 4/4 · Fiddler Guardrails 4/4
Prompt injection defense ✓ ✓
PII detection ✓ ✓
Jailbreak detection ✓ ✓
Custom policies ✓ ✓
Specs
Deployment Not checked yet Hybrid
SDK languages Python Python, Node.js
Our review
Pros
  • Covers prompts, jailbreaks, PII, RAG, tools, MCP, and multimodal inputs
  • Supports cloud, API, and self-hosted deployments
  • Includes policy enforcement, audit logs, and compliance capabilities
  • Free real-time guardrails cover hallucinations, toxicity, PII/PHI, and jailbreaks
  • $0.002-per-trace Developer pricing adds observability and custom evaluators
  • Supports allow, block, or redact actions with configurable policy thresholds
Cons
  • Advanced multimodal and enterprise controls require higher tiers
  • Enterprise pricing and deployment are customized
  • The free plan includes basic red team testing and community support
  • Enterprise pricing requires contacting the vendor
  • Gateway integrations center on four listed frameworks
  • Advanced deployment options are concentrated in the Enterprise plan
Our verdict

Enkrypt AI Guardrails is a runtime security layer for AI agents and applications. It evaluates inputs, retrieval content, tool calls, MCP traffic, and outputs, then can allow, modify, block, or escalate activity under configured policies.…

Read the review →

Fiddler Guardrails is a runtime policy enforcement layer for AI agents and LLM applications. It evaluates prompts and responses for prompt injection, jailbreaks, unsafe content, hallucinations, PII, and PHI, then applies configured allow,…

Read the review →
  1. Enkrypt AI GuardrailsAI Guardrail Software 9.4Free plan
  2. Fiddler GuardrailsAI Guardrail Software 8.2Free plan

Strengths and trade-offs

  • Enkrypt AI Guardrails — where it wins

    • Covers prompts, jailbreaks, PII, RAG, tools, MCP, and multimodal inputs
    • Supports cloud, API, and self-hosted deployments
    • Includes policy enforcement, audit logs, and compliance capabilities

    Where it doesn't

    • Advanced multimodal and enterprise controls require higher tiers
    • Enterprise pricing and deployment are customized
    • The free plan includes basic red team testing and community support
  • Fiddler Guardrails — where it wins

    • Free real-time guardrails cover hallucinations, toxicity, PII/PHI, and jailbreaks
    • $0.002-per-trace Developer pricing adds observability and custom evaluators
    • Supports allow, block, or redact actions with configurable policy thresholds

    Where it doesn't

    • Enterprise pricing requires contacting the vendor
    • Gateway integrations center on four listed frameworks
    • Advanced deployment options are concentrated in the Enterprise plan

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update