What is Haystack?
Haystack, from deepset, is an open-source Python framework for building retrieval-augmented generation pipelines, search systems and AI agents from modular components. It works with major model providers and vector databases.
Key facts
- Pricing
- Free
- Free plan
- Yes
- Category
- Coding
- Website
- https://haystack.deepset.ai/
- Listing updated
- Nov 11, 2026
About
It suits ML engineers putting LLM apps into production. Free to use, with a paid deepset enterprise platform.
Haystack FAQ
What is Haystack?
Haystack, from deepset, is an open-source Python framework for building retrieval-augmented generation pipelines, search systems and AI agents from modular components. It works with major model providers and vector databases.
Is Haystack free?
Yes. Haystack lists a free plan. Pricing: Free.
What are alternatives to Haystack?
Coding alternatives to Haystack include GitHub Copilot, Together AI, Baseten, Straion, Cursor and Pinecone.