Pyyan / Compare / Graphiti vs Haystack vs RAGFlow
RAG & Knowledge Graphs · verified 13 Aug 2026
| Specification | Graphiti | Haystack | RAGFlow |
|---|---|---|---|
| Summary | A temporal knowledge graph, built for agent memory. | A strict pipeline abstraction, built for regulated work. | Visual pipeline builder, deep document understanding. |
| Kind | Library | Framework | Platform |
| Graph | Yes, temporal | Via integrations | Yes |
| Language | Python | Python | Python |
| Licence | Apache 2.0 | Apache 2.0 | Apache 2.0 |
| GitHub stars | ~12k | ~20k | ~35k |
| Category | RAG & Knowledge Graphs | RAG & Knowledge Graphs | RAG & Knowledge Graphs |
| Official | Zep ↗ | deepset ↗ | InfiniFlow ↗ |
Highlighted rows are where these differ.
Best for facts that change over time.
Best for finance, health, legal and government.
Best for teams without a Python engineer.