AIエージェント
Data-Analysis-Agent
Chat with your data: an LLM agent that builds charts and business insights.
★ 2.6k スターCustom
ガイドを見る →ragasは、vibrantlabsaiが公開しているオープンソースのAIエージェントプロジェクトです（GitHub: vibrantlabsai/ragas）。GitHubスターは15,966、フォークは1,750で、Apache-2.0ライセンスの下で公開されています。GitHubでの最終更新は2026年2月24日です。
Supercharge LLM app evaluations with objective metrics, synthetic test data and feedback loops.
Choose the aspects you need to measure, such as answer accuracy, faithfulness to retrieved context, or relevance for your RAG pipeline.
Add the library to your Python project from PyPI, or install it directly from the GitHub source.
Bring examples from your application, or let ragas generate a production-aligned test dataset covering a range of scenarios.
Run pre-built or custom metrics over your app's outputs, read the scores and reasons, and use them to tune prompts, retrieval and models.
Evaluate LLM applications with both LLM-based and traditional metrics instead of subjective manual review.
Automatically create comprehensive test datasets, including production-aligned test set generation when you have no dataset ready.
Define your own evaluators, such as an Aspect Critique built with DiscreteMetric, to score any aspect of an output with a reason.
The ragas quickstart command scaffolds a complete evaluation project, starting with a rag_eval template for RAG systems.
Works with popular LLM frameworks like LangChain and major observability tools, so scores fit into existing pipelines.
Leverage production data to continually improve your LLM applications rather than evaluating once and stopping.
Clone the ragas source if you want to develop against it; most users install from PyPI instead.
git clone https://github.com/vibrantlabsai/ragas.git
cd ragasInstall the released package into your Python environment.
pip install ragasUse the quickstart command to create a ready-made RAG evaluation project, then add your data and run it.
ragas quickstart rag_evalRagas is developed by vibrantlabsai (the team behind Ragas) together with open-source contributors.
Yes. The library is Apache-2.0 licensed and free, including for commercial use.
Often, yes: many ragas metrics use an LLM as the judge, and the quickstart examples expect a provider key such as OPENAI_API_KEY. You pay your provider for those calls; traditional metrics do not need one.
Ragas focuses on open-source, code-first metrics and test-set generation you run in your own pipeline, while hosted platforms bundle evaluation with tracing and dashboards; many teams use ragas metrics inside their existing observability stack.
Run pip install ragas, then ragas quickstart rag_eval to scaffold a project, set your model provider key, and score your first outputs.
Chat with your data: an LLM agent that builds charts and business insights.
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