Ragas

Ragas is an open-source Python evaluation framework for LLM and RAG (retrieval-augmented generation) applications. It provides metrics, experiments, dataset management, and integrations with LangChain and LlamaIndex. Ragas is delivered as a Python library, not a hosted REST API.

Ragas is profiled on the APIs.io network. Tagged areas include AI Evaluation, LLM, RAG, Open Source, and Python.

Ragas’ developer surface includes GitHub presence and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub

15.9/100 emerging ▬ flat Agent 7/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

AccessFree

0 APIs

AI EvaluationLLMRAGOpen SourcePythonMetrics

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 15.9/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 0.0 / 20

Commercial Clarity 5.8 / 20

Operational Transparency 3.4 / 13

Governance 0.0 / 12

Discoverability 6.8 / 10

Agent readiness — 7/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/ragas: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Pricing Plans 1

Published pricing tiers and plan structures.

Ragas Plans Pricing

1 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Ragas Rate Limits

2 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Ragas Finops

FINOPS

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Ragas Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LlmsText

LlmsText

Build 1

SDKs, sample code, and the tooling you integrate with

GitHub

GitHub

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans

Plans

FinOps

FinOps

Company 2

The organization behind the API

LinkedIn

Website

Website

Source (apis.yml)

aid: ragas
url: https://raw.githubusercontent.com/api-evangelist/ragas/refs/heads/main/apis.yml
name: Ragas
kind: company
description: Ragas is an open-source Python evaluation framework for LLM and RAG (retrieval-augmented generation) applications.
  It provides metrics, experiments, dataset management, and integrations with LangChain and LlamaIndex. Ragas is delivered
  as a Python library, not a hosted REST API.
accessModel:
  pricing: free
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Free
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/ragas.png
tags:
- AI Evaluation
- LLM
- RAG
- Open Source
- Python
- Metrics
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
apis: []
common:
- type: DomainSecurity
  url: security/ragas-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/ragas-io
- type: Website
  url: https://docs.ragas.io/
- type: GitHub
  url: https://github.com/explodinggradients/ragas
- type: Plans
  url: plans/ragas-plans-pricing.yml
- type: RateLimits
  url: rate-limits/ragas-rate-limits.yml
- type: FinOps
  url: finops/ragas-finops.yml
- type: LlmsText
  url: https://docs.ragas.io/llms.txt
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com