The closest LLM Guard alternatives are Promptfoo Guardrails, Alibaba Cloud AI Guardrails and Airia AI Platform Guardrails. Picking a LLM Guard 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.
44 alternativesClosest matches: Promptfoo Guardrails, Alibaba Cloud AI Guardrails, Airia AI Platform GuardrailsPage updated Nov 2026
The product
LLM Guard is a security toolkit that enhances the safety and security of interactions with Large Language Models (LLMs) by providing features like sanitization, harmful language detection, data leakage prevention, and resistance against prompt injection attacks.
LLM Guard is a free LLM Guardrails solution. The closest matches by shared tags and NIST CSF 2.0 coverage are Promptfoo Guardrails, Alibaba Cloud AI Guardrails, Airia AI Platform Guardrails, Impart LLM Security, and Confident Security. All 44 alternatives on this page are ranked the same way.
These 8 solutions overlap most with LLM Guard. Each row says what the product does and, when the overlap is big enough, which capabilities it shares.
Adaptive LLM guardrails that self-improve via red team feedback loops.
Key features: 6 listed. See them on the Promptfoo Guardrails page.
Shares 4 capabilities with LLM Guard: Generative AI, LLM Security, Prompt Injection, LLM Guardrails
View Promptfoo GuardrailsPromptfoo Guardrails alternativesLLM Guard vs Promptfoo Guardrails
Real-time AI content moderation and prompt injection defense for AIGC applications.
Key features: 10 listed. See them on the Alibaba Cloud AI Guardrails page.
Shares 3 capabilities with LLM Guard: Generative AI, Prompt Injection, LLM Guardrails
View Alibaba Cloud AI GuardrailsAlibaba Cloud AI Guardrails alternativesLLM Guard vs Alibaba Cloud AI Guardrails
Runtime AI guardrails securing prompts, outputs, and agent workflows.
Key features: 7 listed. See them on the Airia AI Platform Guardrails page.
Shares 3 capabilities with LLM Guard: LLM Security, Prompt Injection, LLM Guardrails
View Airia AI Platform GuardrailsAiria AI Platform Guardrails alternativesLLM Guard vs Airia AI Platform Guardrails
LLM security platform detecting prompt injection, jailbreaks, and abuse
Key features: 10 listed. See them on the Impart LLM Security page.
Shares 3 capabilities with LLM Guard: Generative AI, LLM Security, Prompt Injection
View Impart LLM SecurityImpart LLM Security alternativesLLM Guard vs Impart LLM Security
Platform for securing, governing, and monitoring AI/LLM deployments.
Key features: 8 listed. See them on the Confident Security page.
Shares 3 capabilities with LLM Guard: LLM Security, Prompt Injection, LLM Guardrails
View Confident SecurityConfident Security alternativesLLM Guard vs Confident Security
OpenAI-compatible proxy for LLM DLP, PII redaction, and cost governance.
Key features: 10 listed. See them on the AI Security Gateway™ page.
Shares 3 capabilities with LLM Guard: LLM Security, Prompt Injection, LLM Guardrails
View AI Security Gateway™AI Security Gateway™ alternativesLLM Guard vs AI Security Gateway™
Inline firewall inspecting AI prompts/responses for injections & policy violations.
Key features: 8 listed. See them on the First Recon AI Firewall page.
Shares 3 capabilities with LLM Guard: LLM Security, Prompt Injection, LLM Guardrails
View First Recon AI FirewallFirst Recon AI Firewall alternativesLLM Guard vs First Recon AI Firewall
Platform securing AI apps and employee AI use via guardrails & threat detection.
Key features: 10 listed. See them on the Pangea AI Security Platform page.
Shares 3 capabilities with LLM Guard: LLM Security, Prompt Injection, LLM Guardrails
View Pangea AI Security PlatformPangea AI Security Platform alternativesLLM Guard vs Pangea AI Security Platform
Adaptive LLM guardrails that self-improve via red team feedback loops.
Real-time AI content moderation and prompt injection defense for AIGC applications.
Runtime AI guardrails securing prompts, outputs, and agent workflows.
LLM security platform detecting prompt injection, jailbreaks, and abuse
Platform for securing, governing, and monitoring AI/LLM deployments.
OpenAI-compatible proxy for LLM DLP, PII redaction, and cost governance.
Inline firewall inspecting AI prompts/responses for injections & policy violations.
Platform securing AI apps and employee AI use via guardrails & threat detection.
Runtime guardrails for LLM prompts/responses: detects data leaks & prompt injection.
Configurable guardrails for Amazon Bedrock AI requests via an API gateway.
AI security platform proxying LLM traffic with guardrails, SOC, and governance.
AI guardrail platform detecting harmful outputs, prompt injections & policy violations.
Runtime LLM guardrails blocking prompt injections, PII leakage & policy violations.
Proxy-based AI firewall with 26 shields and verifiable audit trail for LLMs.
Runtime AI guardrails platform enforcing policies on LLM prompts and responses.
Runtime guardrail platform that monitors and protects GenAI inputs/outputs in production
Firewall for LLM systems preventing prompt injection, data leaks & jailbreaks
LLM pipeline observability: tracing, monitoring, and alerting for GenAI systems.
Runtime AI policy enforcement: capture, evaluate, intervene, and investigate AI sessions.
AI guardrail module protecting LLMs from prompt injection and jailbreak attacks
End-to-end LLM security platform protecting against attacks and data leakage
SentinelOne's Prompt Security: AI security platform plus open-source agent/LLM tools
Middleware guardrail securing LLM inputs/outputs for enterprise GenAI compliance.
Privacy-first AI assistant that protects sensitive information while preserving context.
Safety reasoning model for content classification and trust & safety apps
Real-time AI guardrails platform for detecting misuse, hallucinations & attacks
End-to-end LLM security platform protecting GenAI interactions & applications
Runtime guardrails for GenAI apps providing real-time threat detection & response
Library of AI threat detection signals for securing generative AI models
GenAI security platform protecting against data leaks and prompt attacks
Guardrails for protecting LLM and agentic applications from harmful content
Content moderation & policy enforcement for LLM applications
Shift-left AI data security gateway blocking sensitive data before LLM ingestion.
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.
Runtime security platform providing guardrails for LLMs and GenAI agents.
Agentless AI data security platform preventing sensitive data leakage into LLMs.
Firewall protecting LLMs from prompt attacks, data leaks, and harmful outputs
Real-time AI application security with trust scoring and guardrails
Security platform for LLM applications with red teaming and threat protection
Runtime guardrails for AI/LLM apps blocking violations in under 10ms
Common questions when weighing alternatives to LLM Guard.
The closest matches to LLM Guard by shared tags and NIST CSF 2.0 coverage are Promptfoo Guardrails, Alibaba Cloud AI Guardrails, Airia AI Platform Guardrails, Impart LLM Security, and Confident Security. All of them are LLM Guardrails products.
This page shows 44 alternatives to LLM Guard, 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.
LLM Guard is a free LLM Guardrails product. You can use it at no cost. Only commercial alternatives are listed here. Free and open source products are under /free.
LLM Guard is a LLM Guardrails product in the AI Security category. You can compare it with the 44 other LLM Guardrails products on this page.
No LLM Guardrails shortlist yet. This is the closest one.
Updated 2026-11-02
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