AgentsIndex · Blog
Research on AI agent frameworks
Orchestration code for multi-step agents: planners, tool routers, memory managers, multi-agent runtimes.
LatestComparison
Which AI Agent Frameworks Are Really Open Source?
Licenses, stars and last-commit dates for 15 AI agent frameworks, plus the four ways "open source" stops being true once you ship.
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Tutorial
Google's A2A Protocol: How AI Agents Talk Across Frameworks
Google's Agent2Agent (A2A) protocol launched in April 2025 and grew past 150 supporters. How it works, how it differs from MCP, and its security findings.
Comparison
AG2 vs CrewAI: A Full Comparison and the AutoGen Rebrand
AG2 (formerly AutoGen) vs CrewAI on architecture, pricing, benchmarks and enterprise readiness. CrewAI has 1.3M monthly installs; AG2 is free under MIT.
Comparison
CrewAI vs LangGraph: Which Framework Should You Build With?
CrewAI gets a prototype running in about 20 lines of code. LangGraph leads in production with 34.5M monthly PyPI downloads. Which fits your use case.