Microsoft AutoGen vs Haystack by deepset
Side-by-side from the Top 11 ranking of 11 Best AI Agent Builder Platforms 2026 — LangChain, CrewAI & 9 Rivals Ranked, No Paid Listings. Last verified May 31, 2026.
The short answer
Microsoft AutoGen ranks higher on Top 11 (#4 vs #6) for Developers building autonomous AI agents and workflows. A powerful, research-backed framework for building agents that collaborate via conversation.
At a glance
| Microsoft AutoGen | Haystack by deepset | |
|---|---|---|
| Top 11 rank | #4 / 11 Best AI Agent Builder Platforms 2026 — LangChain, CrewAI & 9 Rivals Ranked, No Paid Listings | #6 / 11 Best AI Agent Builder Platforms 2026 — LangChain, CrewAI & 9 Rivals Ranked, No Paid Listings |
| Score (out of 9.4) | 8.7 | 8.2 |
| Best for | Conversational multi-agent systems | Enterprise-grade RAG & search agents |
| Pricing | Free (Open Source) | Free (Open Source) + Enterprise Edition |
| HQ | Redmond, USA | Berlin, Germany |
| Founded | 2023 | 2018 |
Microsoft AutoGen
A powerful, research-backed framework for building agents that collaborate via conversation.
microsoft.github.io/autogen/Haystack by deepset
A robust, pipeline-centric framework for building scalable enterprise RAG agents.
haystack.deepset.ai/Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.