StackMatch / Compare / Microsoft AutoGen vs LlamaIndex
Honest Tool Comparison

Microsoft AutoGen vs LlamaIndex

An honest, context-aware comparison. No affiliate links. No paid placements. Just the data that helps you decide.

For most teams: LlamaIndex edges ahead on our scoring

Microsoft AutoGen

free
AI Agents & Orchestration

Microsoft's open-source multi-agent framework — agents that converse, code, and execute to solve problems.

Open-source (free). Azure OpenAI usage billed separately.

LlamaIndex

free
AI Agents & Orchestration

The data framework for building production RAG applications and AI agents over your own data.

Open-source (free). LlamaCloud: from $97/month.

Side-by-Side Comparison

Objective metrics, no spin.

N/A
Rating
N/A
free
Pricing tier
free
steep
Learning curve
✓ Bettermedium
1–2 weeks for production deployment
Setup time
2–5 days for first RAG system
3 listed
Integrations
✓ Better4 listed
medium, large, enterprise
Best company size
small, medium, large
Top Features
Conversational multi-agent problem solving
Code generation + automated execution
Human-in-the-loop interruption
Group chat with moderated agents
Features
Top Features
160+ data connectors
Advanced RAG strategies (HyDE, re-ranking)
Agentic workflows with tool use
Multi-modal (text + image) support
Choose Microsoft AutoGen if...

Enterprise teams on Azure wanting Microsoft-supported multi-agent workflows. Ideal for automated software engineering tasks and research pipelines.

Avoid Microsoft AutoGen if...

Teams not on Azure — CrewAI is more framework-agnostic and has broader LLM support.

Choose LlamaIndex if...

Developers building question-answering systems over enterprise documents, databases, or APIs. The go-to for production RAG pipelines.

Avoid LlamaIndex if...

Simple single-document Q&A — a direct Claude or GPT API call with the document in context is simpler.

Shared Integrations (1)

Both tools connect to these — you won't lose workflow continuity whichever you pick.

OpenAI

Both suited for: medium, large companies

Since both tools target medium and large companies, your decision should hinge on the specific use case above rather than company fit. Try the AI Advisor to get a recommendation tailored to your exact stack.

Still not sure? Describe your situation.

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Other AI Agents & Orchestration Tools to Consider

If neither is the right fit, these are the next best alternatives in the same category.

CrewAI

free

Multi-agent AI framework — build crews of specialized AI agents that collaborate to complete complex tasks.

View profile →

Flowise

free

No-code AI agent builder — drag-and-drop LLM workflows and chatbots without writing code.

View profile →

Dify

free

Open-source LLM application platform — build, deploy, and monitor AI apps and agents with a full visual studio.

View profile →
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