Guardrails AI

Guardrails AI by Snowglobe is a testing and evaluation platform for LLM applications that uses realistic, automated personas to stress-test conversational systems at scale. Its primary purpose is to uncover failure modes that traditional manual red-teaming and spot checks miss, and to generate high-quality, judge-labeled datasets for evaluation and fine-tuning. By simulating diverse user behaviors and goals, it helps teams systematically assess model reliability, safety, and UX before deployment.

The platform allows you to define and deploy configurable personas that can run hundreds or thousands of conversations in minutes, targeting specific workflows, edge cases, or risk categories. It automatically logs interactions, surfaces failure patterns, and attaches structured labels and rationales so issues can be reproduced and fixed. Built-in judging capabilities score model responses against custom criteria (e.g., safety, helpfulness, policy compliance), producing consistent evaluation metrics over time. Guardrails AI also supports exporting judge-labeled transcripts as training or eval datasets, enabling iterative model improvements with grounded feedback.