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Guardrails AI

Guardrails AI

Guardrails AI

Validate and structure LLM input/output with composable validators from the Guardrails Hub.

v0.11.02026-08-14PythonApache-2.0
#guardrails #validation #safety #python
7.4k Open source Paid

NeMo Guardrails

NVIDIA

Programmable rails for LLM apps — keep conversations safe, on-topic, and on-policy with Colang flows.

v0.24.02026-08-26PythonApache-2.0
#guardrails #safety #dialogue #python
7.1k Completely free Open source