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Tool Comparison
LlamaIndex
The data framework for LLM apps — RAG, agents, and enterprise data connectors.
VS
At a Glance
| Attribute | LlamaIndex | CrewAI |
|---|---|---|
| License / Pricing | Open Source | Open Source |
| Type | ai | ai |
| GitHub Stars | — | — |
| Rating | 4.5/5 | 4.4/5 |
| Key Features | 6 listed | 6 listed |
| Integrations | 6 listed | 4 listed |
| Categories | AI AgentsRAG Frameworks | AI Agents |
Key Features
LlamaIndex
- 150+ data connectors (Notion, Slack, databases, S3, etc.)
- Advanced RAG with query routing and re-ranking
- Agentic workflows with multi-step reasoning
- Structured output and data extraction from documents
- Workflow engine for complex, event-driven agent pipelines
- LlamaCloud for managed RAG pipelines
CrewAI
- Role-based agent design with goals and backstory
- Sequential and hierarchical task execution
- Built-in tools: web search, file read/write, code execution
- Agent memory for long-running workflows
- Human-in-the-loop support
- CrewAI Flows for deterministic agent pipelines
Real-World Use Cases
LlamaIndex
Enterprise knowledge base over internal docs
Connect data sources with SimpleDirectoryReader or Notion/Confluence loaders
CrewAI
Automated research and content pipeline
Define a Researcher agent with web search tools
Integrations
LlamaIndex
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CrewAI
openaianthropiclangchainllamaindex
🏆 Which should you choose?
Choose LlamaIndex if…
- → you're already in the AI Agents ecosystem and prefer LlamaIndex's workflow
Choose CrewAI if…
- → you're already in the AI Agents ecosystem and prefer CrewAI's workflow