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Promptfoo vs RAGAS

Compare Promptfoo and RAGAS on deployment, pricing, model support, and more.

Promptfoo

Tagline
Open-source LLM testing and red-teaming — test prompts, evaluate outputs, catch regressions
Description
Promptfoo is an open-source CLI and library for testing, evaluating, and red-teaming LLM applications. Write test cases in YAML or JavaScript, run them against multiple models (GPT-4, Claude, Llama) simultaneously, and compare results in a local web UI. Supports automated red-teaming to find jailbreaks, prompt injections, and safety failures. 4,000+ GitHub stars.
Category
LLM Frameworks
Pricing
Free
Metric
25,016 GitHub stars (source)
Link
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RAGAS

Tagline
RAG evaluation framework — measure faithfulness, relevance, and recall of RAG pipelines
Description
RAGAS (Retrieval Augmented Generation Assessment) is an open-source framework for evaluating RAG pipelines. It measures key quality dimensions — faithfulness (is the answer grounded in the retrieved context?), answer relevancy (does the answer address the question?), context recall (did retrieval find all needed information?), and context precision. Integrates with LangChain, LlamaIndex, and any RAG system.
Category
LLM Frameworks
Pricing
Free
Metric
15,705 GitHub stars (source)
Link
Visit