# LlamaIndex

Leading framework for RAG and data agents. LlamaIndex is freemium — a usable free tier with paid plans above it, at llamaindex.ai.

## Facts

- **Pricing tier:** Free tier + paid
- **Works on:** API, Self-hosted, Web
- **Works in browser:** No

## Capabilities

- Leading framework for RAG and data agents
- Connect LLMs to your documents & APIs
- Agentic document workflows
- Open-source with a hosted cloud

## FAQ

### What is LlamaIndex?

LlamaIndex is listed under Agent Frameworks (Developers), in the AI Agents & Automation category on Flocci AI Tools. Leading framework for RAG and data agents. It is freemium — a usable free tier with paid plans above it, and it lives at llamaindex.ai.

### Is LlamaIndex free?

LlamaIndex is freemium: there is a free tier you can work in and paid plans above it. It is one of 426 freemium tools in the catalog, all labelled the same way so you are never surprised by a paywall.

### Can I use LlamaIndex in a browser, or is there an app?

LlamaIndex needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on an API, self-hosting and the web.

### What can LlamaIndex do?

LlamaIndex does 4 things the catalog singles out: Leading framework for rag and data agents; connect llms to your documents & apis; agentic document workflows; open-source with a hosted cloud.

### What is the best free alternative to LlamaIndex?

Agno is the closest free alternative: it sits in the same Agent Frameworks (Developers) sub-category and is free. AWS Strands Agents, CAMEL and Claude Agent SDK also start free. The full list is on the alternatives page.

## Related

- [LlamaIndex alternatives](https://aitools.flocci.in/alternatives/llamaindex)
- [Agent Frameworks (Developers)](https://aitools.flocci.in/category/ai-agents-automation/agent-frameworks-developers)
- [Best free AI agent frameworks for developers](https://aitools.flocci.in/best/best-agent-frameworks-developers)
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Source: Flocci AI Tools — https://aitools.flocci.in/tool/llamaindex

Facts last verified: October 2026