Agent Frameworks

🎯 CrewAI vs Haystack

Community Vote — Which tool wins?

CrewAI

Tool A

CrewAI is an open-source Python framework for orchestrating autonomous AI agents that collaborate as a team to accomplish complex tasks. You define agents with specific roles, goals, and tools, then organize them into crews with defined workflows. Agents can delegate work to each other, share context, and execute multi-step processes like market research, content creation, or data analysis. CrewAI supports sequential and parallel task execution, integrates with popular LLMs, and provides memory systems for agent learning. It's one of the most popular multi-agent frameworks with a large community and extensive documentation.

Starting Price

Open-source + Enterprise

Key Strengths

  • Role-based crew abstraction makes multi-agent design intuitive — define role, goal, backstory, and you're running
  • Fastest prototyping speed among multi-agent frameworks: working crew in under 50 lines of Python
  • LiteLLM integration provides plug-and-play access to 100+ LLM providers without code changes
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Haystack

Tool B

Framework for RAG, pipelines, and agentic search applications. This ai agent builders provides comprehensive solutions for businesses looking to optimize their operations.

Starting Price

Open-source + Cloud

Key Strengths

  • Pipeline-of-components architecture enforces type-safe connections, catching integration errors at build time not runtime
  • Deepest RAG-specific feature set: document preprocessing, hybrid retrieval, reranking, and evaluation built into the framework
  • YAML serialization of entire pipelines enables version control, sharing, and deployment of complete configurations
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Which would you choose for...

Vote in each scenario below

Customer support agents

Data pipeline automation

Quick prototyping

Production deployment

Full Comparison →