LlamaIndex
OfficialRAG & RetrievalData framework for connecting LLMs to external data. Specializes in ingestion, indexing, and retrieval with advanced RAG patterns, query engines, and agent workflows.
by LlamaIndex37.8k starsMITUpdated Apr 2026
Installation
Install
pip install llama-indexLanguage support
PythonTypeScript
Supported LLMs
OpenAIAnthropicGoogleOllamaCohereHugging Face
Features (9)
data_connectorsindexingquery_enginesagentsretrievalrerankingstructured_outputevaluationobservabilitySource
View on GitHubDetails
- Author
- LlamaIndex
- Category
- RAG & Retrieval
- Languages
- 2
- Features
- 9
- Stars
- 37.8k
- License
- MIT
- Status
- Official