Haystack
Build custom AI agents and RAG applications with open AI orchestration
Quick Answer
Haystack comes with tutorials, a cookbook and an Enterprise Platform for teams taking agents into production. Its ecosystem integrates with many technologies, including vector databases and model providers. Available as open-source with enterprise support options.
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.
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.
Decision Intelligence
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Free Plan
Yes
Dimension Scores
· 6.5 avgHow good it is, across universal quality axes
Task Scores
· 5.4 avgWhat it can do, per category it works in · showing 6 of 10 tasks scoring 5+
Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →
- -Enterprise features and support are part of a separate paid offering
Complexity
Company Size
Target Team Size
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Privacy & data handling
The Model(s) Behind It
Model details — extracted from public vendor sources by our pipeline (AI extraction plus a source check) or admin-entered. Shown as claimed by the vendor; not independently audited by Intelloro.
The open-source stack for developing, hosting & evolving agents
Private, independent search engine
Enterprise AI: Private, Secure, Customizable
The operating system for autonomous work
Stock and crypto market sentiment from Reddit, X / FinTwit, financial news, and Polymarket
Call AIMLAPI's OpenAI-compatible chat models from Haystack pipelines and agents.
Document Store for storing and retrieval from Google Cloud AlloyDB with pgvector
AI-scored financial news and SEC Form 4 insider events as Haystack Documents
Auto-updated
Trust Score
Excellent
Based on 14 data signals
Confidence: High
Reflects publicly available data, not an independent audit
Not yet checked
Some details are AI-generated estimates — verify with the vendor.
AI-generated estimate: What Makes Unique
How we source dataAI Governance & Regulatory Disclosures
Legally-sensitive fields — extracted from public vendor sources by our pipeline (AI extraction plus a source check) or admin-entered. Shown as claimed by the vendor; not independently audited by Intelloro.
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Who It's For4 rolesSoftware DevelopersComputer ProgrammersWeb Developers+1 more
Platform, Content & Languages4 content types1 languagesTextCodeImageEnglish+13 more
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Frequently Asked Questions
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.
How much does Haystack cost?
Haystack is open source and free to self-host. Cloud hosting options may have separate pricing.
Is Haystack free?
Yes, Haystack is open source and free to self-host. Managed hosting may carry separate costs.
What makes Haystack unique?
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.
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.
What languages does Haystack support?
Haystack supports English.
Who is Haystack for?
Haystack is designed for AI engineers building production-ready LLM applications; Developers needing explicit control over AI agent decisions; Teams integrating diverse AI models and data stores.