LlamaIndex (formerly GPT Index) is an open-source data framework for connecting custom data sources to LLMs. Features data connectors, index structures (vector, list, tree), query engines, chat engines, agents, and observability. Includes LlamaCloud for managed deployment.
LlamaIndex Functions
Technical Specifications
Features
Real-Time, Memory, History, Tool Use, Web Browsing, Self-Hosted
Input Types
Text, URL, PDF, Document, Code, CSV, JSON
Output Types
Code, Text, Markdown, JSON
Platforms
Web, Windows, macOS, Linux
Interface Types
API, CLI Tool
Customization
API/SDK, Fully Customizable
Language Support
Multilingual
Compliance
Data Privacy, Local Deployment, On-Premise
Autonomy Level
Assistant Mode, Semi-Autonomous, Multi-Agent System
Integrations
GitHub, Slack
Target Audience
Developers, Enterprise, Researchers