How much does Haystack cost?

Haystack is open source and free to self-host. Cloud hosting options may have separate pricing.

Yes, Haystack is open source and free to self-host. Managed hosting may carry separate costs.

Does Haystack have an API?

Yes, Haystack offers a public API for developers to integrate its capabilities into custom applications and workflows.

What platforms does Haystack support?

Haystack is available on API, CLI, and web.

Does Haystack work offline?

Yes, Haystack supports offline use — you can run it without an active internet connection.

Haystack

Q: What can Haystack do?

Haystack can: Modular AI agent orchestration, Full visibility and debuggability, Integrates with major LLM providers, Supports various vector databases. Best for: AI engineers building production-ready LLM applications.

Q: Who is Haystack for?

Haystack is designed for AI engineers building production-ready LLM applications; Data scientists creating scalable RAG systems; Developers needing explicit control over AI agent decisions.

Open Source(Apache-2.0)

AI-Native

Most customizable

Build custom AI agents and RAG applications with open AI orchestration

Public status page

No training on your data

Global

Self-hostable

MCP Ready

Last updated: Aug 28, 2026

Open Source

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haystack.deepset.ai

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Quick Answer

Haystack is an open-source AI orchestration framework for building production-ready AI agents and RAG applications. It integrates with 170+ technologies including OpenAI, Anthropic, and various vector databases. Best for AI engineers and data scientists needing explicit control and scalability for their LLM-powered systems. Available as open-source with enterprise support options.

About HaystackAI

Haystack is an open-source AI orchestration framework for building production-ready AI agents, RAG applications, and multimodal search systems. It offers a modular framework for explicit control over retrieval, reasoning, memory, and tool use. Haystack integrates with major LLM providers and vector databases, enabling flexible and scalable AI workflows.

What Makes It UniqueAI

Haystack provides a modular, open-source framework for building AI agents and RAG applications with full visibility into every decision, allowing for deep inspection, debugging, and optimization of AI workflows.

AI-extracted from public sources. May contain errors. Methodology · Report an error

Decision Intelligence

Best For

AI engineers building production-ready LLM applications

Data scientists creating scalable RAG systems

Developers needing explicit control over AI agent decisions

Teams integrating diverse AI models and data stores

Enterprises deploying AI workflows with reliability and observability

Consider Alternatives If

Non-technical users seeking a no-code AI solution

Individuals looking for a simple, pre-built AI application

Teams without developer resources for custom AI development

Pricing Overview

Type

Open Source

Free Trial

Credit Card

Not Required

Free Plan

Yes

Dimension Scores

· 7.2 avg

How good it is, across universal quality axes

Ease of Use4/10

Output Quality8/10

Value for Money7/10

Customization8/10

Support8/10

Integration10/10

Accuracy & Reliability9/10

Compliance & Data Protection3/10

Performance8/10

AI-analyzed from product data·Medium confidenceHow we score

Task Scores

· 8.5 avg

What it can do, on category-specific tasks

Third Party Connectors10/10

Custom Logic9/10

Database Integration8/10

Deployment Ease7/10

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

Capabilities

Agent

RAG

Automation

Memory

Data Analysis

Embedding

Extraction

Observability

The Model(s) Behind It

Model details — extracted from public vendor sources by our pipeline (Smart Generator + A3 cross-referencing) or admin-entered. Shown as claimed by the vendor; not independently audited by Intelloro.

Uses Models

Mistral Large Amazon Nova Lite Llama 3.3 Whisper

Training Data Provenance

Not disclosed

Relevant to EU AI Act Art. 53 / Annex XI (GPAI)

Integrations & Connections

31 connections

+27

Arize Phoenix

The open-source platform for agent development & evaluation

View

Adanos Market SentimentNative

Stock and crypto market sentiment from Reddit, X / FinTwit, financial news, and Polymarket

AimlapiNative

Call AIMLAPI's OpenAI-compatible chat models from Haystack pipelines and agents.

AlloydbNative

Document Store for storing and retrieval from Google Cloud AlloyDB with pgvector

AlphaaiNative

AI-scored financial news and SEC Form 4 insider events as Haystack Documents

Amazon BedrockNative

Use Models from AI21 Labs, Anthropic, Cohere, Meta, and Amazon via Amazon Bedrock with Haystack

Amazon SagemakerNative

Use Models from Huggingface, Anthropic, AI21 Labs, Cohere, Meta, and Amazon via Amazon Sagemaker with Haystack

Amazon TextractNative

Use Amazon Textract with Haystack to extract text, tables, forms, and answers to queries from documents

Auto-updated

Build a Stack

Video

Trust Score

70/100

Good

Based on 8 data signals

Confidence: Medium

Reflects publicly available data, not an independent audit

Compliance & Verified8/38

Human ReviewYes

Operational35/35

Uptime (measured)99.998%

Status PageYes

Data ResidencyEU, US

Market Proof10/10

Notable CustomersLufthansa Industry Solutions, Accenture, NVIDIA

Company17/17

Company ListedYes

Team Size51-200

FundingSeries B

Health—

Not yet checked

AI-Assisted Data

Some details are AI-generated estimates — verify with the vendor.

AI-generated estimate: Best For, Description, Limitations, Not Good For, Pros, Quick Answer, What Makes Unique

How we source data

AI Governance & Regulatory Disclosures

Legally-sensitive fields — extracted from public vendor sources by our pipeline (Smart Generator + A3 cross-referencing) or admin-entered. Shown as claimed by the vendor; not independently audited by Intelloro.

EU AI Act Risk Tier

Unclassified

EU AI Act Article 50 Disclosure

Not declared

COPPA Compliance (US under-13)

Not declared