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Ragas ragas.io
Research Team Data Active
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Summary Ragas is an open-source library for evaluating and optimizing LLM applications, especially retrieval-augmented generation workflows.
Description Ragas provides metrics, synthetic evaluation data generation, and online monitoring for large language model applications. It is delivered primarily as an open-source library with documentation and quickstart workflows, and it integrates with tools such as LangChain and LlamaIndex. The company also offers support for enterprise features and collaborations through Vibrant Labs.
Positioning Open-source LLM evaluation and optimization tooling, positioned around systematic metrics, test generation, and monitoring for RAG and broader AI applications rather than bespoke services.
HQ location San Francisco, CA, USA
Founded 2023
Employee range 1-10
Funding stage Seed
Company type Private
Pricing model custom quote, licensing open source
Last updated Jun 21, 2026
Revenue estimate Unknown
Valuation estimate Unknown
Investments Public site materials indicate Ragas is backed by Y Combinator, Heavybit, and founders of Chef, Heroku, and CockroachDB, but no dated round amount or formal valuation was found in the reviewed sources.
Target customers Developers and teams building LLM applications, especially RAG systems, who need evaluation, experimentation, and monitoring workflows.
Key competitors LangSmith, Arize AI, Langfuse, TruLens
Known customers Open-source community; LangSmith integration/reference
Segments AI Workflows, AI Developer Tools, Knowledge & RAG, Document AI, AI Quality & Observability, AI Governance & Risk, Chatbots, Analytics & BI
Industries General Purpose