Pricing

Open-source Haystack is free; Enterprise support and Haystack Enterprise Platform are commercial (trial available).

Overview

Haystack by deepset is an open-source Python framework for building production LLM apps—RAG, agents, multimodal, and conversational systems—from composable, inspectable components. Pipelines are serializable and cloud-agnostic with integrations across model providers and vector stores. deepset also offers enterprise support and a visual Haystack Enterprise Platform for governed deployment.

Key features

Modular pipelines for retrieval, generation, and agents
Standardized tool calling and branching/looping flows
Integrations with major LLMs and vector DBs
Multimodal components (image, audio)
Serializable, Kubernetes-ready pipelines
Logging and monitoring hooks for production
Enterprise platform with visual pipeline design

Use cases

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