Reviewed by the Softwares.com Editorial Team · Last updated June 2026 · How we rate
Key facts
- Vendor
- deepset
- Pricing
- Open source — Free
- Free tier
- Yes
- Platforms
- Self Hosted, Api
- Best for
- Developers, Ai Engineers, Enterprise
- Editor rating
- 4.4 / 5
- Founded
- 2019
- Headquarters
- Berlin, Germany
What is Haystack?
Haystack is a ai machine learning tool from deepset. Haystack is deepset's open-source framework for building production RAG pipelines, search systems, and AI agents.
Haystack uses open source pricing and offers a free tier you can start on without a credit card. Free.
It's best suited to developers, ai-engineers, enterprise and runs on Self Hosted, Api.
Standout strengths include composable pipeline architecture, production-focused tooling, strong document retrieval support. Worth weighing: smaller community than langchain, enterprise platform is contact-sales.
Haystack pricing
Pros
- Composable pipeline architecture
- Production-focused tooling
- Strong document retrieval support
Cons
- Smaller community than LangChain
- Enterprise platform is contact-sales
Haystack vs alternatives
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Frequently asked questions
What is Haystack?
Haystack is deepset's open-source framework for building production RAG pipelines, search systems, and AI agents.
How much does Haystack cost?
Haystack is open-source-priced. It has a free tier.
Does Haystack have a free trial?
Haystack offers a free tier rather than a time-limited trial.
What platforms does Haystack support?
Haystack is available on Self Hosted, Api.