# Ragas

> Updated 2026-09-03 · type: tool · category: ai-infrastructure · status: active · rev 1

RAG-specific metrics (verified)

- Open source: yes (Apache-2.0)
- Self-hostable: yes
- Pricing model: free
- Best for: Developers and teams building LLM applications who need to evaluate and optimize their systems with objective metrics.
- Last verified: 2026-09-04

- **Canonical:** https://gtmstacker.com/registry/tool/ragas/
- **Source:** [github · github.com/explodinggradients](https://github.com/explodinggradients/ragas)
- **Tags:** ai-infrastructure
- **Repository:** https://github.com/explodinggradients/ragas

## Is Ragas open source?

Yes — Apache-2.0-licensed.

## How much does Ragas cost?

It is free to use.

## Can I self-host Ragas?

Yes — it can be self-hosted.


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RAG-specific metrics (verified)