Lakera Guard vs LLM Guard (Protect AI)

Side-by-side comparison from the Agent Observability Index: licensing, self-hosting, pricing model and integrations — no vendor copy, primary sources linked.

Lakera GuardLLM Guard (Protect AI)
One-linerLow-latency API guarding against prompt injection, data leakage and toxic content, backed by the Gandalf attack dataset.Open-source input/output scanner toolkit (35+ scanners) for PII, injection and toxicity checks on LLM traffic.
CategoryGuardrails & SafetyGuardrails & Safety
Open sourceNoYes
Self-hostableYesYes
Pricing modelfreemiumfree
Pricing notesFree community API tier; enterprise SLA-backed plansMIT OSS scanners free; enterprise via Palo Alto Networks (Protect AI acquisition)
Frameworksopenai-sdk, anthropic, langchainopenai-sdk, langchain
Funding / ownershipAcquired by Check Point (2025); previously $30M raisedProtect AI acquired by Palo Alto Networks (2025)

How to choose

Sources: Lakera Guard · LLM Guard (Protect AI)