LLM Guard Alternatives
Open-source input and output scanners for securing LLM apps against prompt injection, PII, and toxicity
LLM Guard is an open-source security toolkit for LLM applications, maintained by Protect AI.
Explore 38 alternatives to LLM Guard across 1 category. Each tool listed below shares at least one category with LLM Guard.
Top LLM Guard alternatives at a glance
- Presidio. Microsoft open-source SDK for detecting and anonymizing PII in text and images
- Guardrails AI. Open-source framework for adding input and output validators around LLM calls
- NeMo Guardrails. NVIDIA toolkit for adding programmable guardrails to LLM conversational apps
- Cleanlab. Real-time detection and remediation of incorrect, unsafe, or non-compliant AI agent responses
- Lakera. API-first runtime security for LLM apps and agents, prompt injection and data-leak defense
📊 Observability & Analytics
Comet Opik
Comet provides an end-to-end model evaluation platform for AI developers.
Agenta
Open-source prompt management, evaluation, and observability for LLM apps
Future AGI
Open-source platform for testing, monitoring, and improving AI agents with tracing, evals, guardrails, and gateway
Braintrust
Stop building AI in the dark.
Frequently asked questions
What are the best alternatives to LLM Guard?
Based on category overlap and popularity, the top alternatives to LLM Guard include: Presidio (Microsoft open-source SDK for detecting and anonymizing PII in text and images); Guardrails AI (Open-source framework for adding input and output validators around LLM calls); NeMo Guardrails (NVIDIA toolkit for adding programmable guardrails to LLM conversational apps); Cleanlab (Real-time detection and remediation of incorrect, unsafe, or non-compliant AI...); Lakera (API-first runtime security for LLM apps and agents, prompt injection and data...). See all 38 alternatives compared on this page.
Is there a free alternative to LLM Guard?
Yes. 30 alternatives to LLM Guard offer a free tier or free trial: Cleanlab, Lakera, Langfuse, Comet Opik, DeepEval, Portkey, and more. Use the comparison above to find the best fit for your use case.
Are there open-source alternatives to LLM Guard?
Yes. 19 open-source alternatives to LLM Guard are listed here: Presidio, Guardrails AI, NeMo Guardrails, Langfuse, Comet Opik, DeepEval, and more. Open-source tools can be self-hosted for full control over data and infrastructure.
What is LLM Guard?
LLM Guard is an open-source security toolkit for LLM applications, maintained by Protect AI. It wraps model calls with input scanners (prompt injection, toxicity, secrets, code, banned topics) and output scanners (toxicity, bias, sensitive data, relevance, factual consistency). It sanitizes prom... See 38 alternatives to LLM Guard across 1 category.
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