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NeMo Guardrails

Verified Sep 2026

NVIDIA's guardrail toolkit

Programmable rails that keep LLM chatbots on-topic, safe and secure.

NVIDIA's Colang-based guardrails: programmable rails that keep LLM dialogs on-topic, safe and factual, with out-of-the-box topics and jailbreak detection. The enterprise option among guardrail libraries.

Who it's for

Python teams adding conversational guardrails (topic control, hallucination blocking) to LLM apps.

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