Haystack
Open-source AI orchestration framework by deepset for production-ready LLM agents and RAG apps.
Updated April 2026
Overview
- Website
- haystack.deepset.ai
- Founded
- 2019
- Headquarters
- Berlin, Germany
- Segment
- RAG & Retrieval
Product overview
Haystack is an open-source Python framework developed by deepset for building modular, production-ready AI applications like RAG pipelines, agents, semantic search, and multimodal systems.. It integrates with providers like OpenAI, Hugging Face, and vector stores such as Weaviate and Pinecone, offering full control over retrieval, reasoning, and deployment without vendor lock-in. Used by developers and enterprises for scalable AI orchestration, with distinct transparency via inspectable pipelines and enterprise extensions for governance.
Revenue model
Open-source core (free); deepset Studio (free tier: 100 pipeline hours, 1 user); Enterprise Platform (custom pricing: unlimited resources, dedicated support, SSO, cloud/on-prem deployment).
Moat
Haystack's key competitive moat is its deep GitHub integration, which provides proprietary live data insights into the full software delivery process from commit to deploy, enabling unique identification of bottlenecks, productivity metrics, and risks that drive 58% more deployments and 70% faster cycle times for users. This data-driven feedback loop, proven in elite engineering teams and backed by Y Combinator, creates high switching costs and scale advantages as teams rely on its actionable analytics for sustained velocity and developer satisfaction.