LibreAI / Agents IA / ragas
// agents · vibrantlabsai/ragas

ragas

ragas est un projet de agents IA open source, créé par vibrantlabsai (vibrantlabsai/ragas sur GitHub). Il compte 15 966 étoiles sur GitHub et 1 750 forks, il est publié sous la licence Apache-2.0 et a été mis à jour pour la dernière fois sur GitHub le 24 février 2026.

Supercharge LLM app evaluations with objective metrics, synthetic test data and feedback loops.

★ 16,0 k étoiles⑂ 1,8 k forksApache-2.0mis à jour févr. 2026
▦ visuel — le README de ce projet ne contient aucune capture intégrable,
voici donc un emplacement réservé. Le guide ci-dessous est complet malgré tout.
// détails du projet

Détails du projet

Étoiles GitHub
15 966
Forks
1 750
Licence
Apache-2.0
Dernière mise à jour sur GitHub
24 février 2026
Catégorie
Agents IA
Type de fiche
Guide d'installation complet
Site officiel
Official site
// fonctionnement

Comment ça marche

  1. Clarify what quality means for your app

    Choose the aspects you need to measure, such as answer accuracy, faithfulness to retrieved context, or relevance for your RAG pipeline.

  2. Install ragas

    Add the library to your Python project from PyPI, or install it directly from the GitHub source.

  3. Create or generate a test set

    Bring examples from your application, or let ragas generate a production-aligned test dataset covering a range of scenarios.

  4. Score outputs and iterate

    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.

// fonctionnalités

Pourquoi on l'adore

Objective evaluation metrics

Evaluate LLM applications with both LLM-based and traditional metrics instead of subjective manual review.

Test data generation

Automatically create comprehensive test datasets, including production-aligned test set generation when you have no dataset ready.

Custom aspect metrics

Define your own evaluators, such as an Aspect Critique built with DiscreteMetric, to score any aspect of an output with a reason.

Quickstart project templates

The ragas quickstart command scaffolds a complete evaluation project, starting with a rag_eval template for RAG systems.

Framework integrations

Works with popular LLM frameworks like LangChain and major observability tools, so scores fit into existing pipelines.

Feedback loops from production

Leverage production data to continually improve your LLM applications rather than evaluating once and stopping.

Advertisement
// lancez-le

Lancez-le vous-même

  1. Clone the repository

    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 ragas
  2. Install from PyPI

    Install the released package into your Python environment.

    pip install ragas
  3. Scaffold an evaluation project

    Use the quickstart command to create a ready-made RAG evaluation project, then add your data and run it.

    ragas quickstart rag_eval
// cas d'usage

Ce que vous pouvez créer

Advertisement
// faq

Questions fréquentes

Who maintains ragas?

Ragas is developed by vibrantlabsai (the team behind Ragas) together with open-source contributors.

Is ragas free to use?

Yes. The library is Apache-2.0 licensed and free, including for commercial use.

Does it need a paid API key?

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.

How does ragas compare with LangSmith or manual review?

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.

How do I get started?

Run pip install ragas, then ragas quickstart rag_eval to scaffold a project, set your model provider key, and score your first outputs.

// continuez l'exploration

Outils similaires

Agents IA

Data-Analysis-Agent

Chat with your data: an LLM agent that builds charts and business insights.

★ 2,6 k étoilesCustom
Voir le guide →
Agents IA

promptfoo

Test prompts, agents and RAGs — LLM evals, red teaming and model comparisons from the CLI

★ 25,8 k étoilesMIT
Voir le guide →
Agents IA

goose

an open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM

★ 54,9 k étoilesApache-2.0
Voir le guide →
Agents IA

RD-Agent

Microsoft's R&D-Agent: LLM agents that automate data-driven research, Kaggle modelling and LLM fine-tuning.

★ 14,9 k étoilesMIT
Voir le guide →
Agents IA

label-studio

The open-source studio for labeling data of every type.

★ 28,4 k étoilesApache-2.0
Voir le guide →
Agents IA

Guardrails

Programmable guardrails to keep LLM systems safe and on rails.

★ 7,3 k étoilesNOASSERTION
Voir le guide →
// alternatives

Alternatives en Agents IA

Les autres projets de la catégorie Agents IA avec le plus d'étoiles du catalogue LibreAI — la sélection réaliste d'alternatives si ragas ne vous convient pas.

// plus en agents

Plus en Agents IA

Projets de la catégorie Agents IA proches dans le catalogue, les plus proches en étoiles de ragas — continuez à explorer de part et d'autre.

Obtenir ragas

Gratuit et ouvert : récupérez le code source, mettez une étoile au dépôt et commencez à créer.