Evals & Testing

Petri

Open-source automated alignment auditing tool that probes target models with multi-turn simulated scenarios.

Website ↗ GitHub ↗
CategoryEvals & Testing
Open sourceYes
Self-hostableYes
Pricing modelfree
Pricing notesOpen source
Framework integrationsInspect AI
Funding / ownershipReleased by Anthropic (2025); stewardship donated to nonprofit Meridian Labs (2026)

Pricing/feature source: https://www.anthropic.com/research/petri-open-source-auditing