Haystack
Haystack is an open-source AI orchestration framework developed by deepset, designed for Python developers to build sophisticated, agentic AI applications.
Our verdict
Who it's for
The open-source AI framework for building and orchestrating production-ready RAG and agentic AI applications.
Who should look elsewhere
Requires Python development skills.
Pros
- +Open-source foundation provides transparency and community support.
- +Highly customizable and modular, allowing full control over AI system composition.
- +Designed for production-readiness and enterprise-scale deployment.
- +Extensive integrations prevent vendor lock-in and offer flexibility.
- +Supports complex AI use cases like advanced RAG, agentic workflows, and multimodal AI.
Cons
- −Requires Python development skills.
- −Enterprise-grade support and advanced tooling are part of paid offerings.
Key features
- ✓Modular AI orchestration framework
- ✓Advanced RAG pipelines (hybrid retrieval, self-correction)
- ✓Agentic pipelines with function-calling and complex workflows (branching, looping)
- ✓Multimodal AI capabilities (image processing, generation, audio transcription)
- ✓Standardized chat interface for conversational AI
- ✓Flexible content generation with Jinja-2 templates
- ✓Integrations with major LLMs and vector databases (OpenAI, Anthropic, Mistral, Hugging Face, Weaviate, Pinecone, Elasticsearch)
- ✓Production-ready capabilities (serialization, logging, APIs)
Pricing
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Haystack, AI Orchestration Framework | — | month | Open Source AI framework for building production-ready, LLM-powered agents and applications; Community support |
| Enterprise Support | — | month | Enterprise-support for the Haystack framework; Private, secure engineering support; Best practices templates & deployment guides |
| AI Orchestration Platform | — | month | Sovereign AI toolset built on Haystack to accelerate and scale AI use cases; Visual, code-aligned pipeline design; Data, retrieval, and testing workflows |