AI agent
Haystack
FreeOpen Source
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What it does
An open-source NLP framework for building search systems and conversational AI.
Fit and limits
Catalog industry: Technology. Capabilities below are catalog text, not an independent test.
Record
Catalog record updated 17/08/2026. Official site is linked above.
Alternatives
An open-source NLP framework for building search systems and conversational AI.
Haystack is an open-source NLP framework developed by Deepset, designed for creating advanced search systems and conversational AI applications. It enables developers to build powerful, end-to-end search pipelines that can handle large-scale, complex queries with high accuracy. Haystack leverages state-of-the-art transformer models, supports various backends, and is highly customizable, making it ideal for enterprise-level search and Q&A systems. It also includes features for document retrieval, question answering, and semantic search.
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