Haystack
Open-source Python framework for building production-ready LLM applications with RAG pipelines, agents, and orchestrated component-based workflows.
Overview
| Category | Ai |
| Self-Hostable | Yes |
| On-Prem | No |
| Best For | startup, growth, enterprise |
| Last Verified | 2026-02-13 |
Strengths & Weaknesses
Strengths:- dx
- customization
- cost
- Smaller community than LangChain
- Less documentation for advanced use cases
When to Use
Best when:- RAG applications needed
- NLP pipelines required
- Production-ready LLM apps
- Component-based architecture preferred