LangChain vs Haystack
A detailed comparison to help you choose the right AI tool
LangChain
Framework for building LLM applicationsHaystack
Open-source LLM frameworkCategory
Enterprise AI
Enterprise AI
Pricing
freemium
free
Key Features
- LLM framework
- Chains
- Agents
- Memory
- Integrations
- Open source
- Open source
- Pipelines
- RAG support
- Agent framework
- Production ready
About LangChain
LangChain is a framework for building applications with large language models, chains, and agents.
About Haystack
Haystack is an open-source framework for building production-ready LLM applications and search systems.
Which Should You Choose?
Choose LangChain if:
- You prefer a freemium model
- You need: LLM framework
- You value: Chains
Choose Haystack if:
- You prefer free tools
- You need: Open source
- You value: Pipelines