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Agents tracked: 378 Downloads (7d): 242M down 5.8% GitHub stars: 8.3M VS Code installs: 151M Releases (7d): 389 Agent status: 1 with issues Updated Oct 10, 2026

Ragas by Vibrant Labs

Open-source Python library for evaluating RAG and LLM applications with metrics and test-data generation.

LLM observability and evals Open source

Price
Free (open source)
you pay only for the compute it runs on
Free tier
Open source
SDK downloads
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PyPI ragas
Status
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no public status page

Pricing

Free tier—
Cheapest paid plan—
Usage price—
Good to knowLibrary only; no hosted plan or pricing listed on the docs site. GitHub repo moved to vibrantlabsai/ragas.

Open source: free to run on your own hardware; you pay only for the compute. Checked

Use it from an agent

MCP serverNone found
PyPIpip install ragas

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