Ragas

https://github.com/vibrantlabsai/ragas

Open-source eval framework for RAG pipelines — faithfulness, answer-relevance, context-precision, context-recall. Widely used as a baseline RAG eval kit.

Active · Verified 2026-10-28 · fresh as of 2026-10-28 · 19 cited facts, 1 with a third-party source · 2 recorded changes · Suggest a correction

At a glance

Tier
T2
Created
2023 repo fix
License
Apache-2.0 repo fix
Pricing
searched not found fix
Funding
searched not found fix
Freshness
2026-10-28 fix
Layer
agent-infra repo fix
Licensing
open-source repo fix
Deployment locus
local repo fix
Platform vs product
platform repo fix
SDK languages
python repo fix

When to use

Optimised for: searched not found

Anti-fit: searched not found

Pros & cons

Pros

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Cons

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Claims & capabilities

Apache-2.0 RAG-eval framework by Exploding Gradients; widely cited in 2024 LLM eval literature.

Technical surface

API surface
searched not found
Backend storage
not applicable — not a memory product
Deployment
Self-hosted only — library
Embedding model
not applicable — not a memory product
Multi-tenancy
searched not found
MCP
searched not found
A2A
searched not found
OpenTelemetry
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  • Helicone T2

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Sources (18 cited facts, 1 third-party)

Each fact links to the page it came from; the badge says who published it (how to read sources).

What changed

Changes to this record's lifecycle, licence, release, pricing and hosting facts, from the catalog's git history. Subscribe (Atom)

  1. 2026-10-28
    • Homepage “https://github.com/explodinggradients/ragas” → “https://github.com/vibrantlabsai/ragas”
    #291
  2. 2026-10-27
    • Latest release first recorded as “v0.4.3 (2026-01-13) — ragas” source
    • Deployment first recorded as “Self-hosted only — library” source
    #272

Related systems

Referenced by (8)

  • Arize Phoenix integrates with — Arize Phoenix docs have a Ragas integration page. (verified 2026-10-29)
  • Comet ML integrates with — Comet's Opik docs have a Ragas integration page. (verified 2026-10-29)
  • Haystack (framework) integrates with — Haystack integrations directory has a Ragas integration page ("Use the Ragas evaluation framework to calculate model-based metrics"). (verified 2026-10-29)
  • Helicone integrates with — Helicone docs have a Ragas integration page. (verified 2026-10-29)
  • Langfuse integrates with — Langfuse's integrations directory has a Ragas integration page. (verified 2026-10-29)
  • Milvus integrates with — Milvus's integrations overview lists a Milvus + Ragas integration tutorial. (verified 2026-10-29)
  • Pydantic-AI integrates with — Pydantic Evals third-party integrations docs have a Ragas section. (verified 2026-10-29)
  • Weaviate integrates with — Weaviate's integrations / model-provider docs list Ragas as an integration. (verified 2026-10-29)