AutoGen
Microsoft Research
FreeHaystack
deepset
FreeAutoGen vs Haystack: Full Comparison (2026)
AutoGen is microsoft's framework for multi-agent conversational ai. Haystack is open-source framework for production nlp and rag pipelines. Use the breakdown below to find the right fit for your needs.
This page presents factual information sourced from publicly available vendor documentation and product pages. AIHub does not endorse either product. The right tool depends on your specific use case, team, and requirements — we recommend evaluating both tools directly before making a decision.
Side-by-Side Overview
Pricing Model
AutoGen
FreeHaystack
FreeAPI Access
AutoGen
Not availableHaystack
Not availablePlatforms
AutoGen
WebHaystack
WebIntegrations
AutoGen
—Haystack
—Vendor
AutoGen
Microsoft ResearchHaystack
deepsetCategory
AutoGen
FrameworksHaystack
FrameworksLaunch
AutoGen
—Haystack
—| Feature | AutoGen | Haystack |
|---|---|---|
| Pricing Model | Free | Free |
| API Access | Not available | Not available |
| Platforms | Web | Web |
| Integrations | — | — |
| Vendor | Microsoft Research | deepset |
| Category | Frameworks | Frameworks |
| Launch | — | — |
About AutoGen
AutoGen is Microsoft Research's framework for building LLM applications using multiple conversational agents that can collaborate, debate, and use tools to solve complex problems. Supports both autonomous and human-in-the-loop workflows.
Designed For
- Automated research
- Code generation pipelines
- Multi-step reasoning
- Debate-style QA
About Haystack
Haystack by deepset is an open-source framework for building NLP applications, RAG systems, and LLM pipelines. Features a pipeline architecture with 60+ integrations including all major vector databases and LLM providers.
Designed For
- Document Q&A
- RAG pipelines
- Semantic search
- LLM application development
Strengths & Limitations
AutoGen
Strengths
- Flexible agent patterns
- Human-in-the-loop support
- Microsoft backing
Limitations
- Can be verbose
- Requires careful prompt engineering
Haystack
Strengths
- Production-ready
- 60+ integrations
- Pipeline architecture
Limitations
- Steeper learning curve
- Less popular than LangChain
Frequently Asked Questions
What is the difference between AutoGen and Haystack?
AutoGen is microsoft's framework for multi-agent conversational ai, while Haystack is open-source framework for production nlp and rag pipelines. AutoGen is designed for Frameworks; Haystack is designed for Frameworks. The right fit depends on your specific requirements.
How do the pricing models compare?
AutoGen is available under a Free model. Haystack is available under a Free model. Always verify pricing on each vendor's official website as it may change.
How do I choose between AutoGen and Haystack?
Consider your team's technical requirements, budget, existing tooling, and use case before deciding. We recommend signing up for free trials or demos of both tools where available, and consulting each vendor's documentation. AIHub provides this comparison for informational purposes only.
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Data sourced from public vendor documentation. Pricing, features, and availability may change. Always verify on official vendor websites before making purchasing decisions. AIHub is not affiliated with any of the listed vendors.