Agent Framework Landscape

Navigate the ecosystem of agent frameworks and choose the right tools for your projects

The Top 4 Frameworks

While 20+ frameworks exist, four dominate the landscape with 80% market share. Each has distinct strengths—LangChain for flexibility, AutoGen for multi-agent, CrewAI for teams, and Semantic Kernel for enterprise.

Interactive: Framework Explorer

LangChain

The Swiss Army Knife

⭐ 85K+
Python, JavaScript
Strengths
✓ Massive ecosystem
✓ Rich integrations
✓ Active community
Weaknesses
⚠ Steep learning curve
⚠ Heavy abstractions
⚠ Breaking changes
Best For

Complex RAG systems, production apps with many integrations

Example Code
from langchain.agents import create_react_agent
from langchain.tools import Tool

agent = create_react_agent(
    llm=llm,
    tools=[search_tool, calculator],
    prompt=prompt
)

⚡ Quick Selection Guide

•
Choose LangChain if: You need max flexibility and have time to learn abstractions
•
Choose AutoGen if: You're building conversational multi-agent systems
•
Choose CrewAI if: You want role-based teams with clean, intuitive API
•
Choose Semantic Kernel if: You're in Microsoft ecosystem or need C#/.NET
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