Haystack (deepset)

Production-grade RAG and agent pipelines from deepset.

Visit site GitHub
Open source Self-hostable MCP support free
Agent frameworkLibraryRAG
LicenseApache-2.0
Starting priceBYOK usage cost
Model supportbyok
Languagespython
GitHub stars25.8k
Last activity2026-06-26
VerifiedFri Jun 26 2026 00:00:00 GMT+0000 (Coordinated Universal Time)
Verified byseed

An open-source framework for building production RAG and agent pipelines as composable, typed components with strong retrieval depth.

Strengths

  • Excellent connectors and retrieval pipeline design
  • Typed, composable pipeline architecture

Tradeoffs

  • Smaller agent-orchestration story than LangGraph
  • Steeper for simple chat use cases