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Guardrails & safety

3 guardrails & safety tools, with pricing model, free tier and open-source status.

Open-source framework for input/output validation of LLMs.

open sourceself-hostable· Open-source, free
Lakera Guard ↗ freemium · from $999/mo

Prompt-injection and content-safety API for LLM apps.

affiliate· Free community tier - 10k requests/mo
Protect AI ↗ enterprise

ML/LLM security - model scanning, LLM firewall, red-teaming.

"affiliate" = a known partner programme, being confirmed as we join. Confirm pricing on the tool's site.