A agentindex
Comparison

CrewAI vs Haystack (deepset)

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

CrewAI

Role-playing multi-agent crews.

  • + Intuitive role-and-task mental model
  • + Fast to prototype multi-agent flows
  • − Less fine-grained control than LangGraph
  • − Can be token-inefficient at scale

Haystack (deepset)

Production-grade RAG and agent pipelines from deepset.

  • + Excellent connectors and retrieval pipeline design
  • + Typed, composable pipeline architecture
  • − Smaller agent-orchestration story than LangGraph
  • − Steeper for simple chat use cases
Spec CrewAI Haystack (deepset)
Role Agent framework Agent framework
Tags agent-framework, library, multi-agent agent-framework, library, rag
License MIT Apache-2.0
Open source Yes Yes
Self-hostable Yes Yes
MCP support Yes Yes
Pricing freemium free
Starting price BYOK usage cost BYOK usage cost
Models claude, gpt, gemini, byok byok
Languages python python
GitHub stars 54.4k 25.8k
Last activity 2026-06-27 2026-06-26