Beyond the Big Three: A Fresh Look at 7 AI Agent Frameworks in 2026
We’ve covered the “big three” AI agent frameworks — LangGraph, CrewAI, and Pydantic AI — in our 2026 framework decision guide. That guide remains the place to go for deep dives on those three. But the landscape has shifted. GitHub repositories for AI agent frameworks grew 535% between 2024 and 2025. Four more frameworks now have production deployments and genuine trade-offs worth understanding: the OpenAI Agents SDK, Claude SDK (Anthropic), Google ADK, and Dify. ...