Haystack
New
Ship production-ready RAG pipelines and semantic search with composable building blocks. Open-source, battle-tested, no vendor lock-in.
Developer Tools
★ 4.3(3,200 reviews)freeOverview
Haystack by deepset is an open-source orchestration framework for building production-ready LLM applications, RAG pipelines, and semantic search using a flexible, composable pipeline architecture.
Key Features
- Composable pipelines
- RAG and semantic search
- Model and DB agnostic
- Production-focused
Pros
- • Clean pipeline design
- • Production-ready
- • Strong search heritage
Cons
- • Smaller community than LangChain
- • Setup for advanced flows
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