Side-by-Side Comparison · 2026
AutoGen vs LlamaIndex: Full Comparison (2026)
AutoGen is microsoft's framework for multi-agent conversational ai. LlamaIndex is data framework for building llm applications over your data. Use the breakdown below to find the right fit for your needs.
AutoGen
Microsoft Research
FreeLlamaIndex
LlamaIndex
FreeSide-by-Side Overview
- Pricing Model
- AutoGen: FreeLlamaIndex: Free
- API Access
- AutoGen: Not availableLlamaIndex: Not available
- Platforms
- AutoGen: WebLlamaIndex: Web
- Integrations
- AutoGen: —LlamaIndex: —
- Vendor
- AutoGen: Microsoft ResearchLlamaIndex: LlamaIndex
- Category
- AutoGen: FrameworksLlamaIndex: Frameworks
- Launch
- AutoGen: —LlamaIndex: —
| Feature | AutoGen | LlamaIndex |
|---|---|---|
| Pricing Model | Free | Free |
| API Access | Not available | Not available |
| Platforms | Web | Web |
| Integrations | — | — |
| Vendor | Microsoft Research | LlamaIndex |
| Category | Frameworks | Frameworks |
| Launch | — | — |
About AutoGen
Designed For
- Automated research
- Code generation pipelines
- Multi-step reasoning
- Debate-style QA
About LlamaIndex
Designed For
- RAG over documents
- Structured data querying
- Multi-agent systems
- Knowledge bases
Strengths & Limitations
AutoGen
Strengths
- Flexible agent patterns
- Human-in-the-loop support
- Microsoft backing
Limitations
- Can be verbose
- Requires careful prompt engineering
LlamaIndex
Strengths
- Data-focused
- Easy RAG setup
- Many connectors
Limitations
- Less agent-focused than LangChain
- Learning curve
Frequently Asked Questions
What is the difference between AutoGen and LlamaIndex?
AutoGen is microsoft's framework for multi-agent conversational ai, while LlamaIndex is data framework for building llm applications over your data. AutoGen is designed for Frameworks; LlamaIndex 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. LlamaIndex 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 LlamaIndex?
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.