garak vs PyRIT

Side-by-side comparison from the Agent Observability Index: licensing, self-hosting, pricing model and integrations — no vendor copy, primary sources linked.

garakPyRIT
One-linerOpen-source LLM vulnerability scanner that runs pre-built probes for jailbreaks, leakage and injection.Python Risk Identification Toolkit automating single- and multi-turn adversarial probing of GenAI systems.
CategoryGuardrails & SafetyGuardrails & Safety
Open sourceYesYes
Self-hostableYesYes
Pricing modelfreefree
Pricing notesOpen source (NVIDIA-maintained)Open source (Microsoft)
FrameworksOpenAI, Hugging Face, Ollama, RESTOpenAI, Anthropic, Ollama, Azure
Funding / ownershipNVIDIA-maintained open-source projectMicrosoft AI Red Team open-source project

How to choose

Sources: garak · PyRIT