HeimdaLLM vs LLM Guard
Overview
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CLI (Node.js)
Manual
Detailed Comparison
It is a comprehensive tool designed to fortify the security of Large Language Models (LLMs). By offering sanitization, detection of harmful language, prevention of data leakage, and resistance against prompt injection attacks, it ensures that your interactions with LLMs remain safe and secure. | It is a robust static analysis framework for validating that LLM-generated structured output is safe. It currently supports SQL. |
Fortify the security of Large Language Models;
Detection of harmful language;
Prevention of data leakage;
Resistance against prompt injection attacks | Validate LLM-generated output;
Makes sure that AI won't wreck your systems |
Statistics | |
GitHub Stars - | GitHub Stars 113 |
GitHub Forks - | GitHub Forks 3 |
Stacks 1 | Stacks 0 |
Followers 1 | Followers 0 |
Votes 0 | Votes 0 |
Integrations | |
| No integrations available | |
What are some alternatives to LLM Guard, HeimdaLLM?
Waxell
Waxell is the AI governance plane for agentic systems in production. It sits above agents, models, and integrations, enforcing constraints and defining what's allowed. Auto-instrumentation for 200+ libraries without code changes. Real-time tracing, token and cost tracking, and 11 categories of agentic governance policy enforcement.
SafeLLM — AI Security for Apache APISIX
AI security gateway for Apache APISIX. 100% air-gapped, Open Source core. CPU-capable, GPU-optional. Protect LLMs from prompt injection, PII leaks, and data exfiltration. GDPR, EU AI Act, SOC2, HIPAA compliant. Your data never leaves your VPC.
Your AI Agent Has Root Access. And Zero Guardrails.
Clawsec is an open-source security plugin that blocks dangerous actions in under 5ms. One command: openclaw plugins install clawsec
SecuredAI
Privacy-first AI assistant that protects sensitive information while preserving context.
Lang Protect
LangProtect is an AI security firewall that protects LLM and GenAI applications at runtime. It blocks prompt injection, jailbreaks, and sensitive data leakage while enforcing customizable security policies. Built for enterprise and regulated teams, it delivers real-time protection, visibility, and audit-ready governance.
Rebuff
It is a self-hardening prompt injection detector. It is designed to protect AI applications from prompt injection (PI) attacks through a multi-stage defense.
Guardrails AI
It is an open-source Python package for specifying structure and type, validating and correcting the outputs of large language models (LLMs).
LangKit
It is an open-source toolkit for monitoring Large Language Models (LLMs). It extracts signals from prompts & responses, ensuring safety & security.
