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Promptfoo Review (2026): Features, Pricing & Verdict
Promptfoo review 2026: the open-source (MIT) CLI and library for evaluating and red-teaming LLM apps — declarative YAML tests, side-by-side comparison across 50+ providers, deterministic and LLM-as-a-Judge assertions, CI/CD-native, and a standout security module with 50+ attack plugins mapped to OWASP LLM Top 10, NIST AI RMF and MITRE ATLAS. Used by OpenAI and Anthropic;…