Retrieval and knowledge
Haystack
Compose retrieval, generation, and agent pipelines from reusable components.
26.8K GitHub starsAs of Checked
Where it fits
What you can use it for
Python teams building search and document-answering systems.
Find relevant information and give AI applications useful context.
Before you adopt
What to check for your team
Measure retrieval quality with your own documents; deepset hosted products have separate terms.
Get help evaluating the fitLicence and scope
Apache-2.0
The pinned repository licence is Apache-2.0, confirmed from its text even though GitHub reports no automatic classification. Hosted deepset products are separate.
Read the upstream licenceSupport the work
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Use the project's contribution guidance to report issues, help with documentation or contribute code. Follow any published funding links if you want to support the maintainers financially.
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