RAGAS vs Promptfoo

Detailed side-by-side comparison to help you choose the right tool

RAGAS

🔴Developer

AI Evaluation & Testing

Open-source framework for evaluating RAG pipelines and AI agents with automated metrics for faithfulness, relevancy, and context quality.

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Starting Price

Free

Promptfoo

🔴Developer

Testing & Quality

Open-source LLM testing and evaluation framework for systematically testing prompts, models, and AI agent behaviors with automated red-teaming.

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Starting Price

Free

Feature Comparison

Scroll horizontally to compare details.

FeatureRAGASPromptfoo
CategoryAI Evaluation & TestingTesting & Quality
Pricing Plans4 tiers8 tiers
Starting PriceFreeFree
Key Features

      RAGAS - Pros & Cons

      Pros

      • Free open-source with comprehensive RAG-specific metrics
      • Automated testset generation eliminates manual setup
      • Detailed token tracking enables cost optimization
      • Native multi-provider and multi-framework support

      Cons

      • Requires technical expertise for setup
      • LLM costs accumulate with large-scale evaluations
      • Limited to RAG evaluation specifically
      • Quality depends on underlying LLM capabilities

      Promptfoo - Pros & Cons

      Pros

      • Comprehensive red-teaming fills a critical gap in LLM safety tooling
      • Free Community tier includes all core evaluation features
      • Declarative YAML config makes test suites maintainable and version-controllable
      • OpenAI acquisition suggests strong continued development and integration

      Cons

      • OpenAI acquisition may affect future open-source direction
      • CLI-focused interface may be less accessible for non-technical users
      • Enterprise pricing not publicly listed

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