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NeMo Guardrails

NVIDIA toolkit for adding guardrails to LLM apps.

Visit NeMo Guardrails » github.com/NVIDIA/NeMo-Guardrails

NeMo Guardrails at a glance
What it doesNVIDIA toolkit for adding guardrails to LLM apps
CategoryDeveloper
Websitegithub.com/NVIDIA/NeMo-Guardrails
CheckedWebsite working when last checked (2026-10-16)

In their own words

“NeMo Guardrails is an open-source toolkit for easily adding programmable guardrails to LLM-based conversational systems. - NVIDIA-NeMo/Guardrails”
— from the NeMo Guardrails website

8 alternatives to NeMo Guardrails

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Garak

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How to choose

  1. Try it on your real codebase, not a demo. Results vary a lot by language and project size.
  2. Decide how much control you want: suggestions you accept line by line, or an agent that makes larger changes for you to review.
  3. Check your company's rules on sending code to outside AI services before you start.

Full guide to choosing developer tools »

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