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Haystack

Free

End-to-end NLP framework for building production RAG pipelines.

Open SourceAPISelf-hostedPython SDK

Tool Info

Categories
Frameworks · RAG
Official Website
haystack.deepset.ai
Repository
deepset-ai/haystack
Official Docs

Overview

Haystack builds modular NLP and RAG pipelines for production use.

Supports retrievers, readers, and generators in composable pipelines.

Pricing

Free tier available
Free (open source)

Pros

  • Production-focused
  • Pipeline abstractions
  • deepset backing

Best For

Production RAGDocument QASearch pipelines

When NOT to Use

  • Less agent focus
  • Smaller than LangChain

Related Tools

LangChain
Framework for building LLM-powered applications and workflows.
LlamaIndex
Data framework for connecting LLMs to private and structured data.
LangGraph
Graph-based framework for stateful, multi-agent LLM workflows.

Alternatives

LangChain
Framework for building LLM-powered applications and workflows.
LlamaIndex
Data framework for connecting LLMs to private and structured data.

Often Compared With

LangChain
Framework for building LLM-powered applications and workflows.
LlamaIndex
Data framework for connecting LLMs to private and structured data.

Compare With

Compare with LangChainCompare with LlamaIndex

Tags

#rag#framework#nlp

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