
Haystack
Builds agentic AI systems with modular blocks for production use.

What is Haystack?
Haystack is an AI Website Builder tool that builds agentic AI systems with modular blocks for production use. It is aimed at developers, data scientists and enterprise teams.
Haystack helps create context-engineered AI systems using modular, customizable components. It's designed for real-world, production-ready applications. The framework supports agents, semantic search, and question-answering.
Built for developers, data scientists and enterprise teams.
Features
AI Orchestration Platform
Enterprise Support
Public API
Modular Building Blocks
Customizable components for building AI systems.
Integration Ecosystem
Supports integration with various tools and services.
Use cases
- Build transparent AI systems for enterprise use
- Develop and deploy AI workflows faster
- Scale AI applications across industries
Who it's for
Pros & cons
Pros
- Public API available
- Enterprise support provided
Cons
No documented limitations yet.
Integrations
AI models
- DeepSeek R1
Developer & API
Public API available
Open source· Apache-2.0· 26.6K stars· 3.2K forks
FAQ
What is Haystack?
Haystack is an AI Website Builder tool that builds agentic AI systems with modular blocks for production use. Haystack helps create context-engineered AI systems using modular, customizable components. It's designed for real-world, production-ready applications. The framework supports agents, semantic search, and question-answering.
Does Haystack have an API?
Yes, Haystack offers a public API for building custom integrations.
Who should use Haystack?
Haystack is built for developers, data scientists and enterprise teams. Common uses: build transparent AI systems for enterprise use, develop and deploy AI workflows faster and scale AI applications across industries.
What does Haystack integrate with?
Haystack integrates with Notion, Google Drive, OneDrive, SharePoint, GitHub, Salesforce, X and Snowflake, among 16 integrations.
Is Haystack open source?
Yes, Haystack is open source under the Apache-2.0 license.
What are the best alternatives to Haystack?
Similar tools on AiByts include MindPal, Portia AI, Divi, Wordware and Feathery.
Haystack news & updates

MCP + Haystack: A Practical Guide for AI Engineers
The Model Context Protocol (MCP) is the connective tissue of the modern AI stack. If you are building AI agents or production RAG systems, understanding how MCP works with Haystack is one of the most direct ways to make your applications composable, reusable, and reachable from the tools your users…
Haystack Blog11 min read
Context Engineering for Agentic Systems: What Goes Into Your Agent's Mind
Every new generation of Large Language Models arrives with a bigger context window - and the temptation to use it fully. If the model can read a million tokens, why not feed it everything?
Haystack Blog12 min read
Multimodal Search with Gemini Embedding 2 in Haystack
Embeddings are the backbone of modern AI applications, from semantic search and recommendation systems to Retrieval-Augmented Generation (RAG). However, most embedding models operate in a single modality, typically focusing only on textual data.
Haystack Blog7 min read
Haystack Ecosystem: One Name, One Product Family, One Look
We’re making some naming and visual updates at deepset to better reflect the role Haystack already plays as a framework, a community, and the foundation of our enterprise platform. If you’re already building with Haystack, nothing is changing in how you build or run applications.
Haystack Blog4 min read
Lufthansa Industry Solutions Uses Haystack to Power Enterprise RAG
When you think of Lufthansa, you might picture planes, airports, or global travel, but Lufthansa Industry Solutions (LHIND) is making an impact in a different way: as a full-service IT company delivering digital solutions for clients both inside and outside the Lufthansa Group.
Haystack Blog5 min read
How TAC Built an Agentic Chatbot with Haystack to Transform Trade Promotions Workflows
When a leading company like TELUS Agriculture & Consumer Goods (TAC), with a strong presence in agriculture and consumer goods, turns to AI to streamline complex processes, it’s worth taking a closer look.
Haystack Blog5 min read
Announcing Haystack Enterprise Starter: Best Practices and Support
💙 Thanks to you and all of our amazing community members, the Haystack open source framework has grown into a thriving developer ecosystem, now used by thousands of organizations to power everything from simple Q&A bots to advanced enterprise agents.
Haystack Blog3 min readSummarize Hacker News Posts with Haystack & OPEA
Welcome to this step-by-step tutorial where we’ll build a simple Retrieval-Augmented Generation (RAG) pipeline using Haystack and OPEA. We’ll fetch the newest Hacker News posts, feed them to a lightweight LLM endpoint (OPEAGenerator), and generate concise one-sentence summaries (based on this…
Haystack Blog4 min read
Deploy AI Pipelines Faster with Hayhooks
Haystack is an AI orchestration framework that enables developers to effortlessly build custom AI pipelines using a modular, building-block approach. However, when it’s time to take those pipelines from your development environment to production, you’re often left with a tough decision: write…
Haystack Blog5 min read
Optimize RAG Applications with Document Reranking Using Haystack With NVIDIA NeMo Retriever
In retrieval-augmented generation (RAG) applications, the quality of the retrieved documents plays a critical role in delivering accurate and meaningful responses. But what happens when embedding similarity is not enough to get an accurate ordering of the reference documents?
Haystack Blog9 min read
Use DeepSeek-R1 with Haystack: Demo and Tutorial
The latest release from DeepSeek confirms an essential truth about AI: there won’t be one model or provider to rule them all. As the field evolves, it’s evident that diverse models bring unique strengths, making a model-agnostic approach vital for developers and organizations alike.
Haystack Blog3 min read
Build an Agentic RAG Pipeline in deepset Studio
In this article, we’ll explore how to build an agentic Retrieval Augmented Generation (RAG) pipeline on deepset Studio, the AI application prototyping tool for developers.
Haystack Blog7 min read
Announcing Advent of Haystack 2024 🎄
December is here, and so is the 2nd edition of the Advent of Haystack! This holiday season, we’re inviting the Haystack community to take part in our series of challenges around Generative AI use cases.
Haystack Blog2 min read
Create a Swarm of Agents
When building applications with Language Models, new patterns are emerging to bridge the gap between the statistical nature of these models and the deterministic logic of traditional programming.
Haystack Blog15 min read
Announcing Studio: Your Development Environment for Haystack
We’re thrilled to announce an exciting new addition to the Haystack ecosystem: deepset Studio! After countless requests from our community for a visual editor to create AI workflows and invaluable feedback during the beta phase, we’re officially launching deepset Studio, a powerful tool for…
Haystack Blog3 min read
Building a Multimodal Nutrition Agent
In artificial intelligence, multimodal agents are becoming increasingly popular for their ability to understand and integrate multiple types of input, such as text and images.
Haystack Blog9 min read
Design Haystack AI Applications Visually in deepset Studio with NVIDIA NIM
In our previous article, we explored how to build and deploy two key AI pipelines in a retrieval-augmented generation (RAG) application using Haystack with NVIDIA NIM: Indexing pipeline: Prepares data by preprocessing, chunking, and embedding PDF files, finally storing them in a vector database.
Haystack Blog10 min read
Advanced RAG: Query Decomposition & Reasoning
This is part one of the Advanced Use Cases series: 1️⃣ Extract Metadata from Queries to Improve Retrieval 2️⃣ Query Expansion 3️⃣ Query Decomposition 4️⃣ Automated Metadata Enrichment Sometimes a single question is multiple questions in disguise.
Haystack Blog8 min read
Details are compiled from Haystack's website and public sources, last verified Oct 3, 2026. Features and pricing change — confirm on the official site before you buy.
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Tags
- AI Orchestration
- Modular AI
- Enterprise AI
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