Beste Open-Source Frameworks für RAG · 2026

Retrieval-Augmented Generation: Frameworks, die Vektorsuche, Dokumenten-Ingestion und LLM-Antwortsynthese sauber verbinden.

1. 01

   Mastra

   4AGI

   TypeScript framework for agents, RAG and workflows.

   TypeScript agent stacks

   Details 27,125 ★Elastic-2.0
2. 02

   LangChain

   4AGI

   Composable building blocks for LLM apps and agents.

   General-purpose agent and RAG apps

   Details 144,068 ★MIT
3. 03

   Haystack

   3AGI

   deepset's pipeline framework for search and agents.

   Search-heavy agent apps

   Details 26,187 ★Apache-2.0
4. 04

   SuperAGI

   3AGI

   Dev-first autonomous agent framework.

   Autonomous agent prototypes

   Details 17,653 ★MIT
5. 05

   LlamaIndex Agents

   3AGI

   Daten-zentrierte Agenten für RAG

   RAG-getriebene Agenten über große Wissensbasen.

   Details 51,568 ★MIT