LlamaIndex vs RAGatouille
Side-by-side from the Top 11 ranking of LangChain vs LlamaIndex vs Haystack: 11 Best RAG Frameworks 2026. Last verified May 31, 2026.
The short answer
LlamaIndex ranks higher on Top 11 (#2 vs #11) for Developers shipping RAG pipelines into production. A data-centric framework excelling at advanced indexing and retrieval strategies for high-accuracy RAG.
At a glance
| LlamaIndex | RAGatouille | |
|---|---|---|
| Top 11 rank | #2 / LangChain vs LlamaIndex vs Haystack: 11 Best RAG Frameworks 2026 | #11 / LangChain vs LlamaIndex vs Haystack: 11 Best RAG Frameworks 2026 |
| Score (out of 9.4) | 9.2 | — |
| Best for | Best for data-centric RAG | Advanced ColBERT retrieval |
| Pricing | Free (Open Source) | Free (Open Source) |
| HQ | San Francisco, USA | Remote |
| Founded | 2022 | 2023 |
LlamaIndex
A data-centric framework excelling at advanced indexing and retrieval strategies for high-accuracy RAG.
www.llamaindex.ai/See full entry in LangChain vs LlamaIndex vs Haystack: 11 Best RAG Frameworks 2026
RAGatouille
A specialized library implementing the advanced ColBERT model for more accurate, fine-grained retrieval.
github.com/bclavie/RAGatouilleSee full entry in LangChain vs LlamaIndex vs Haystack: 11 Best RAG Frameworks 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.