promptfoo
★ 25KPromptfoo is a CLI and library for evaluating, benchmarking, and red-teaming LLM apps. Declarative YAML configs define prompts, providers, and assertions, then run locally or in CI/CD to compare models like GPT, Claude, and Gemini and catch jailbreaks or regressions.
AI Tools | TypeScript · llm-eval · red-teaming
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