These tools competes with

Lakera GuardvsNeMo Guardrails

Real-time AI security guardrails — now part of Cisco AI Defense versus NVIDIA's programmable safety and control rails for LLM applications

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Choose Lakera Guard when…

  • •You need real-time prompt-injection defense in production
  • •You want a managed, enterprise-grade guardrails layer
  • •You are already on Cisco's security stack

Choose NeMo Guardrails when…

  • •You need enterprise-grade programmable safety controls on LLM outputs
  • •You're deploying an LLM in a regulated or customer-facing context
  • •You want topic and behavior constraints that go beyond simple prompt engineering

Side-by-side comparison

Field
Lakera Guard
NeMo Guardrails
Category
AI Guardrails
AI Guardrails
Type
Commercial
Open Source
Free Tier
✓ Yes
✓ Yes
Pricing Plans
Pro: From $99/moEnterprise: Custom
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GitHub Stars
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⭐ 4,000
Health
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●80 — Active

Lakera Guard

Real-time prompt-injection and data-leak protection for LLM and agent applications. Acquired by Cisco in May 2025 and integrated into Cisco AI Defense. The dominant commercial guardrails platform in 2026.

Website ↗

NeMo Guardrails

NVIDIA's open-source toolkit for adding programmable safety, topic, and dialog rails to LLM applications. Define rules in Colang DSL to prevent off-topic responses, enforce output formats, and guard against prompt injection. Standard in enterprise LLM deployments.

Website ↗GitHub ↗

Shared Connections1 tools both integrate with

Guardrails AI

Only Lakera Guard (3)

NeMo GuardrailsLLM GuardOpenAI Guardrails

Only NeMo Guardrails (3)

LiteLLMLangChainLakera Guard

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See how Lakera Guard and NeMo Guardrails fit into the bigger picture — 235 tools, 543 relationships, all mapped.

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