haystack
An open-source AI orchestration framework for building production-ready LLM applications.
- Region
- Overseas
- Pricing
- Free
- Open source
- Yes
- GitHub Stars
- ★ 25.5k
- Source
- GitHub
- Added
- 2026-06-05
- Last verified
- 2026-06-05

Overview
Haystack is an open-source AI orchestration framework designed for building production-ready large language model (LLM) applications. It enables users to design modular pipelines and agent workflows, with explicit control over retrieval, routing, memory, and generation. The framework is suitable for scalable agents, retrieval-augmented generation (RAG), multimodal applications, semantic search, and conversational systems.
Key features
- ▪Build production-grade LLM applications
- ▪Support modular pipeline design
- ▪Provide control over retrieval, routing, and more
- ▪Suitable for multimodal applications
- ▪Support semantic search and conversation
Use cases
Pros
- +Highly modular design
- +Easy to extend and customize
- +Supports diverse application scenarios
Limitations / notes
- -Requires some programming knowledge
Who it's for
This overview was compiled by AI from public sources and may contain inaccuracies — please refer to the official site.
FAQ
What types of applications does Haystack support?
Supports scalable agents, RAG, multimodal applications, semantic search, and conversational systems.
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