The product
by Fiddler AI
Guardrails for protecting LLM and agentic applications from harmful content
The closest Fiddler Guardrails alternatives are Aiceberg Risk Signals Library, Vulcan Protect and Akamai Firewall for AI. Picking a Fiddler Guardrails alternative comes down to fit: LLM Guardrails coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it.
Closest 48 alternatives shownClosest matches: Aiceberg Risk Signals Library, Vulcan Protect, Akamai Firewall for AIPage updated Nov 2026
The product
by Fiddler AI
Guardrails for protecting LLM and agentic applications from harmful content
Fiddler Guardrails is a commercial LLM Guardrails solution made by Fiddler AI. The closest matches by shared tags and NIST CSF 2.0 coverage are Aiceberg Risk Signals Library, Vulcan Protect, Akamai Firewall for AI, Tinfoil GPT-OSS Safeguard 120B, and Alice WonderFence. All 48 alternatives on this page are ranked the same way.
These 8 solutions overlap most with Fiddler Guardrails. Each row says what the product does and, when the overlap is big enough, which capabilities it shares.
Library of AI threat detection signals for securing generative AI models
Key features: 10 listed. See them on the Aiceberg Risk Signals Library page.
View Aiceberg Risk Signals LibraryAiceberg Risk Signals Library alternativesFiddler Guardrails vs Aiceberg Risk Signals Library
Runtime guardrail platform that monitors and protects GenAI inputs/outputs in production
Key features: 1 listed. See them on the Vulcan Protect page.
View Vulcan ProtectVulcan Protect alternativesFiddler Guardrails vs Vulcan Protect
Firewall protecting LLMs from prompt attacks, data leaks, and harmful outputs
Key features: 8 listed. See them on the Akamai Firewall for AI page.
View Akamai Firewall for AIAkamai Firewall for AI alternativesFiddler Guardrails vs Akamai Firewall for AI
Safety reasoning model for content classification and trust & safety apps
Key features: 8 listed. See them on the Tinfoil GPT-OSS Safeguard 120B page.
View Tinfoil GPT-OSS Safeguard 120BTinfoil GPT-OSS Safeguard 120B alternativesFiddler Guardrails vs Tinfoil GPT-OSS Safeguard 120B
Runtime guardrails for GenAI apps providing real-time threat detection & response
Key features: 10 listed. See them on the Alice WonderFence page.
View Alice WonderFenceAlice WonderFence alternativesFiddler Guardrails vs Alice WonderFence
Real-time AI guardrails platform for detecting misuse, hallucinations & attacks
Key features: 10 listed. See them on the Dynamo AI DynamoGuard page.
View Dynamo AI DynamoGuardDynamo AI DynamoGuard alternativesFiddler Guardrails vs Dynamo AI DynamoGuard
Content moderation & policy enforcement for LLM applications
Key features: 10 listed. See them on the Moderation & Policy Engine page.
View Moderation & Policy EngineModeration & Policy Engine alternativesFiddler Guardrails vs Moderation & Policy Engine
Runtime security platform providing guardrails for LLMs and GenAI agents.
Key features: 10 listed. See them on the Repello AI ARGUS page.
View Repello AI ARGUSRepello AI ARGUS alternativesFiddler Guardrails vs Repello AI ARGUS
Library of AI threat detection signals for securing generative AI models
Runtime guardrail platform that monitors and protects GenAI inputs/outputs in production
Firewall protecting LLMs from prompt attacks, data leaks, and harmful outputs
Safety reasoning model for content classification and trust & safety apps
Runtime guardrails for GenAI apps providing real-time threat detection & response
Real-time AI guardrails platform for detecting misuse, hallucinations & attacks
Content moderation & policy enforcement for LLM applications
Runtime security platform providing guardrails for LLMs and GenAI agents.
Adaptive LLM guardrails that self-improve via red team feedback loops.
Inline firewall inspecting AI prompts/responses for injections & policy violations.
AI guardrail platform detecting harmful outputs, prompt injections & policy violations.
Runtime AI guardrails securing prompts, outputs, and agent workflows.
Runtime security for AI models, agents, and data with guardrails and compliance
AI firewall for runtime protection of AI models, applications, and agents
Security platform for LLM applications with red teaming and threat protection
Real-time AI content moderation and prompt injection defense for AIGC applications.
End-to-end LLM security platform protecting against attacks and data leakage
LLM security platform detecting prompt injection, jailbreaks, and abuse
SentinelOne's Prompt Security: AI security platform plus open-source agent/LLM tools
GenAI security platform protecting against data leaks and prompt attacks
Monitors GenAI user behavior patterns to detect threats across workflows
Shift-left AI data security gateway blocking sensitive data before LLM ingestion.
AI data gateway securing LLM interactions by monitoring and redacting sensitive data.
Dual-layer AI security platform for RAG chatbots covering model and retrieval.
Aggregates & analyzes LLM logs from multiple AI providers for security & governance.
Agentless AI data security platform preventing sensitive data leakage into LLMs.
Platform securing AI models at inference with red-teaming, defense & monitoring
Firewall for LLM systems preventing prompt injection, data leaks & jailbreaks
Real-time AI application security with trust scoring and guardrails
AI guardrail module protecting LLMs from prompt injection and jailbreak attacks
Security platform for AI applications across development and production
Runtime guardrails for AI/LLM apps blocking violations in under 10ms
End-to-end LLM security platform protecting GenAI interactions & applications
Enterprise AI security suite with real-time filtering and automated testing
Middleware guardrail securing LLM inputs/outputs for enterprise GenAI compliance.
AI guardrails tool for PII/PHI detection, masking & content filtering in LLM apps.
Protects sensitive data in LLM prompts without exposing plain-text to providers.
Configurable guardrails for Amazon Bedrock AI requests via an API gateway.
Runtime LLM guardrails blocking prompt injections, PII leakage & policy violations.
Runtime security platform for GenAI apps with threat detection & guardrails
Runtime protection for AI systems detecting prompt attacks & data leaks
Analyzes AI interaction logs for near real-time threat detection in GenAI apps
Common questions when weighing alternatives to Fiddler Guardrails.
The closest matches to Fiddler Guardrails by shared tags and NIST CSF 2.0 coverage are Aiceberg Risk Signals Library, Vulcan Protect, Akamai Firewall for AI, Tinfoil GPT-OSS Safeguard 120B, and Alice WonderFence. All of them are LLM Guardrails products.
This page shows 48 alternatives to Fiddler Guardrails, all in the LLM Guardrails category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first.
Fiddler Guardrails is a commercial LLM Guardrails product. It needs a paid license or subscription. Only commercial alternatives are listed here. Free and open source products are under /free.
Fiddler Guardrails is a LLM Guardrails product in the AI Security category. You can compare it with the 48 other LLM Guardrails products on this page.
No LLM Guardrails shortlist yet. This is the closest one.
Updated 2026-11-02
See the shortlist
