Vibrant Labs

Ragas

Python library of metrics and experiment tooling for evaluating RAG pipelines and LLM apps, including tool-call metrics for agents.

Apache-2.0Pythonv0.4.3

What it supports

  • Evaluates multi-step agents and tool calls: supportedEvaluates multi-step agents and tool callsDocs
  • LLM as a judge scoring: supportedLLM as a judge scoringDocs
  • ?Tracing: not yet verifiedTracing
  • ?Runs in CI: not yet verifiedRuns in CI

Install

pip install ragas

Links

Official documentationgithub.com/vibrantlabsai/ragas

Other eval frameworks

Inspect AIpromptfooDeepEvalPydantic EvalsHarborLangfuseOpikMLflow GenAI EvaluationArize PhoenixW&B WeaveGoogle ADK EvaluationBraintrustLangSmith EvaluationMicrosoft Foundry EvaluationsGen AI Evaluation Service

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Reviewed Oct 9, 2026.