Haystack 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
Haystack ranks higher on Top 11 (#3 vs #5) for Developers shipping RAG pipelines into production. A mature, enterprise-focused framework for building scalable neural search and complex RAG pipelines.
At a glance
| Haystack | Microsoft Semantic Kernel | |
|---|---|---|
| Top 11 rank | #3 / The 11 Best RAG Frameworks (2026) | #5 / The 11 Best RAG Frameworks (2026) |
| Score (out of 9.4) | 8.9 | 8.5 |
| Best for | Enterprise-grade neural search | Microsoft ecosystem integration |
| Pricing | Free (Open Source) | Free (Open Source) |
| HQ | Berlin, Germany | Redmond, USA |
| Founded | 2018 | 2023 |
Haystack
A mature, enterprise-focused framework for building scalable neural search and complex RAG pipelines.
haystack.deepset.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.