LLM Guard vs Vijil Dome: side-by-side comparison (2026)

LLM Guard: 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.

Vijil Dome: Runtime LLM guardrails blocking prompt injections, PII leakage & policy violations. Built by Vijil.

The table above shows where their features, integrations, deployment and company size fit differ.

LLM Guard is open-source with 2,043 GitHub stars. Vijil Dome is made by Vijil. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. LLM Guard and Vijil Dome are both LLM Guardrails products, and both cover LLM Guardrails, LLM Security, Prompt Injection. Key differences: LLM Guard is Free while Vijil Dome is Commercial, LLM Guard is open-source. Use the table above to see where features, deployment and company size fit differ.