Haystack
OPEN SOURCE
Open-source framework for building search systems.
About
Haystack is an open-source framework for building search systems that work intelligently over large document collections. It is designed to enable scalable and modular search pipelines.
Pricing
Pricing Type
Open Source
Free tier available
Billing
Billed monthly
Last checked: February 17, 2026
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Key Facts
Categories
Platforms
Web
Self-Hosted
Company
deepset
Founded
Founded in 2018
Country
Global
Language
English