Pyyan / Compare / Unstructured vs LlamaIndex
Unstructured vs LlamaIndex
2 of 5RAG & Knowledge Graphs · verified 13 Aug 2026
UUnstructuredUnstructuredcurrent
LlamaIndexLlamaIndexcurrent| Specification | Unstructured | LlamaIndex |
|---|---|---|
| Summary | Gets documents into a shape a pipeline can use. | The strongest option for document-centric retrieval. |
| Kind | Library | Framework |
| Graph | No | Yes, property graph index |
| Language | Python | Python, TypeScript |
| Licence | Apache 2.0 | MIT |
| GitHub stars | ~12k | ~45k |
| Category | RAG & Knowledge Graphs | RAG & Knowledge Graphs |
| Official | Unstructured ↗ | LlamaIndex ↗ |
Highlighted rows are where these differ.
Unstructured
- PDF, DOCX, HTML, email and more into elements
- The unglamorous layer most RAG failures actually come from
Best for the ingestion step nobody enjoys writing.
LlamaIndex
- Deep document handling and many indexing strategies
- The common advice is LlamaIndex for retrieval, LangGraph for orchestration
Best for PDFs, knowledge bases, structured data.