Haystack vs LlamaIndex
A detailed comparison to help you choose the right AI tool
Haystack
Open-source LLM frameworkLlamaIndex
Data framework for LLM applicationsCategory
Enterprise AI
Enterprise AI
Pricing
free
freemium
Key Features
- Open source
- Pipelines
- RAG support
- Agent framework
- Production ready
- RAG framework
- Data connectors
- Index structures
- Query engines
- Open source
- Enterprise
About Haystack
Haystack is an open-source framework for building production-ready LLM applications and search systems.
About LlamaIndex
LlamaIndex provides RAG infrastructure for connecting LLMs to enterprise data sources.
Which Should You Choose?
Choose Haystack if:
- You prefer free tools
- You need: Open source
- You value: Pipelines
Choose LlamaIndex if:
- You prefer a freemium model
- You need: RAG framework
- You value: Data connectors