Haystack
Framework for building production-ready LLM applications
Haystack is an open-source Python framework for building search, RAG, and agentic LLM applications. It provides composable pipelines connecting models, retrievers, and document stores.
Key features
- Composable pipelines
- RAG and agent support
- Many integrations
- Production focus
Strengths
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Mature project with 26.1k GitHub stars
- Written in Python
Haystack replaces
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