LlamaIndex vs Microsoft Semantic Kernel
Side-by-side from the Top 11 ranking of The 11 Best RAG Frameworks (2026). Last verified May 31, 2026.
The short answer
LlamaIndex ranks higher on Top 11 (#2 vs #5) 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 | Microsoft Semantic Kernel | |
|---|---|---|
| Top 11 rank | #2 / The 11 Best RAG Frameworks (2026) | #5 / The 11 Best RAG Frameworks (2026) |
| Score (out of 9.4) | 9.2 | 8.5 |
| Best for | Best for data-centric RAG | Microsoft ecosystem integration |
| Pricing | Free (Open Source) | Free (Open Source) |
| HQ | San Francisco, USA | Redmond, USA |
| Founded | 2022 | 2023 |
LlamaIndex
A data-centric framework excelling at advanced indexing and retrieval strategies for high-accuracy RAG.
www.llamaindex.ai/Microsoft Semantic Kernel
The go-to framework for developers in the Microsoft ecosystem, offering strong .NET/C# and Azure integration.
learn.microsoft.com/en-us/semantic-kernel/Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.