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| Description | ||||
| 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. | |||
| Key facts | ||||
| 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 | |||
| Financials | ||||
| 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. | |||
| Relationships | ||||
| 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 & Industries | ||||
| Segments | AI Workflows, AI Developer Tools, Knowledge & RAG, Document AI, AI Quality & Observability, AI Governance & Risk, Chatbots, Analytics & BI | |||
| Industries | General Purpose | |||