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LlamaIndex Agents vs Haystack
Side-by-side comparison of LlamaIndex Agents and Haystack — features, pricing, performance scores, and which to choose for your AI agents.
View All Framework ComparisonsQuick Verdict
| Dimension | LlamaIndex Agents | Haystack | Winner |
|---|---|---|---|
Ease of Use | 4/5 | 4/5 | Tie |
Scalability | 4/5 | 4/5 | Tie |
Documentation | 5/5 | 5/5 | Tie |
Community | 5/5 | 4/5 | LlamaIndex Agents |
Performance | 4/5 | 4/5 | Tie |
Overall: LlamaIndex Agents wins 1 categories, Haystack wins 0, 4 tied
Feature Comparison
| Feature | LlamaIndex Agents | Haystack |
|---|---|---|
| Primary Language | Python | Python |
| License | MIT | Apache-2.0 |
| Pricing | Open Source + Cloud | Open Source + Cloud |
| GitHub Stars | 44,600 | 17,900 |
| Difficulty | Intermediate | Intermediate |
| Enterprise Ready | ||
| Community Size | Very Large | Large |
| Category | RAG & Knowledge | RAG & Knowledge |
Pros & Cons
LlamaIndex Agents
Advantages
Best-in-class for RAG applications
Excellent data connectors and loaders
Strong documentation and examples
Active community and development
MIT license
LlamaCloud for managed services
Works well with LangChain
Limitations
Primarily focused on RAG not general agents
Agent features less mature than core RAG
Can be complex for simple use cases
LlamaCloud requires subscription
Haystack
Advantages
Excellent for semantic search and RAG
Modular pipeline architecture
Strong deepset backing and support
Good documentation
Apache 2.0 license
deepset Cloud for managed hosting
Limitations
Primarily RAG-focused not general agents
Learning curve for pipeline design
Smaller community than LangChain
Agent features less mature
Best Use Cases
LlamaIndex Agents
Document Q&A systems
Knowledge base retrieval
Semantic search applications
Chat over documents
Agent-based data retrieval
Research assistants
Haystack
Semantic document search
Question answering over documents
Retrieval-Augmented Generation
Information extraction pipelines
Conversational search
Agent-based document analysis
Getting Started
LlamaIndex Agents
Installation
pip install llama-index
Haystack
Installation
pip install haystack-ai
Learn More
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