Haystack vs DSPy
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 #4) 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 | DSPy | |
|---|---|---|
| Top 11 rank | #3 / The 11 Best RAG Frameworks (2026) | #4 / The 11 Best RAG Frameworks (2026) |
| Score (out of 9.4) | 8.9 | 8.7 |
| Best for | Enterprise-grade neural search | Programmatic RAG optimization |
| Pricing | Free (Open Source) | Free (Open Source) |
| HQ | Berlin, Germany | Palo Alto, USA |
| Founded | 2018 | 2023 |
Haystack
A mature, enterprise-focused framework for building scalable neural search and complex RAG pipelines.
haystack.deepset.ai/DSPy
A novel framework that systematically optimizes prompts and model weights for peak RAG performance.
github.com/stanfordnlp/dspyMethodology and scoring weights live at /methodology. No vendor pays for placement — see about.