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Guardrails AI

Guardrails AI

Category: Testing & Evaluation · GitHub · Docs ⭐ 7,300 · 0.11.0 · Apache-2.0 · snapshot 2026-08-31 Full profile (deep dive, contenders, matrix): [[AI Tools & Platforms Landscape]]

One-liner: Runtime input/output validators with self-healing re-asks and structured output

What problem does it solve?

How does it work?

When would I reach for it?

  • [[NeMo Guardrails]]
  • [[Promptfoo]]
  • [[LiteLLM]]

My exploration notes

Blog post checklist

  • Outline
  • Draft → Blog/posts/tech-explore/guardrails-ai/

Some information may be outdated