H
Haystack
End-to-end LLM framework for building NLP and agent pipelines — 18K+ stars
Open SourceFree
Install
pip install haystack-aiAbout
Haystack by deepset is a Python framework for building production-ready LLM applications, RAG pipelines, and AI agents. It provides a composable pipeline architecture where components (retrievers, generators, rankers, agents) connect through a directed graph. Haystack supports all major LLM providers and vector databases, with strong emphasis on evaluation, testing, and production deployment.
Details
| Language | python |
| Patterns | pipelines, rag, agents, evaluation |
| Install | pip install haystack-ai |
Tags
pythonragpipelinesagentsnlpproductionopen-source
Quick Info
- Organization
- deepset
- Pricing
- open-source
- Free Tier
- Yes
- Updated
- Mar 28, 2026
18.0K600.0K/w4d ago350
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