Garak vs PyRIT vs Promptfoo: Pick Promptfoo for Agent CI
Promptfoo is the best open-source CI test for AI agents, though its injection and authorization tests run on a hosted service OpenAI now owns. PyRIT suits human-led campaigns, garak suits model scans, and Lakera and Mindgard publish no prices.
November 11, 2026 · 16 min read