Pyyan / Compare / LLMWare vs LlamaIndex vs LangChain & LangGraph
RAG & Knowledge Graphs · verified 13 Aug 2026
| Specification | LLMWare | LlamaIndex | LangChain & LangGraph |
|---|---|---|---|
| Summary | RAG aimed at CPUs and small models. | The strongest option for document-centric retrieval. | Orchestration, with retrieval as one piece. |
| Kind | Framework | Framework | Framework |
| Graph | No | Yes, property graph index | Via integrations |
| Language | Python | Python, TypeScript | Python, TypeScript |
| Licence | Apache 2.0 | MIT | MIT |
| GitHub stars | ~13k | ~45k | ~120k |
| Category | RAG & Knowledge Graphs | RAG & Knowledge Graphs | RAG & Knowledge Graphs |
| Official | LLMWare ↗ | LlamaIndex ↗ | LangChain ↗ |
Highlighted rows are where these differ.
Best for on-premise with no GPU budget.
Best for PDFs, knowledge bases, structured data.
Best for agents that retrieve as one step among many.