This is my running list of AI Agent (Agentic) Frameworks. Let me know if I’m missing any…
| Framework | Organization | Description |
|---|---|---|
| CrewAI | CrewAI | “CrewAI makes it easy for anyone to build and manage collaborative AI agents that can be trusted to perform complex tasks autonomously, and at scale.” |
| Autogen | Microsoft | “A framework for building AI agents and applications” |
| LangChain | LangChain | “LangChain is an open source framework with a pre-built agent architecture and integrations for any model or tool — so you can build agents that adapt as fast as the ecosystem evolves.” |
| LangGraph | LangChain | “Gain control with LangGraph to design agents that reliably handle complex tasks.” |
| Google Agent Development Kit (ADK) | “Agent Development Kit (ADK) is a flexible and modular framework for developing and deploying AI agents.” | |
| Atomic Agents | Brain Blend | “The Atomic Agents framework is designed around the concept of atomicity to be an extremely lightweight and modular framework for building Agentic AI pipelines and applications without sacrificing developer experience and maintainability.” |
| Smolagents | Hugging Face | “smolagents is an open-source Python library designed to make it extremely easy to build and run agents using just a few lines of code.” |
| Langflow | Langflow | “Langflow is an open-source, Python-based, customizable framework for building AI applications.” |
| Claude Agent SDK | Claude | “Built on top of the agent harness that powers Claude Code, the Claude Agent SDK provides all the building blocks you need to build production-ready agents.” |
| AgentKit | OpenAI | Note: Includes Agents SDK and Agent Builder (drag-n-drop) “…a complete set of tools for developers and enterprises to build, deploy, and optimize agents.” |
| Agents SDK | AWS | “Build production-ready, multi-agent AI systems in a few lines of code” |
| Agent Builder | AWS | “Visually assemble, debug, and export multi-step agent workflows from the playground.” |
| Pydantic AI Agents | Pydantic | “Pydantic AI is a Python agent framework designed to help you quickly, confidently, and painlessly build production grade applications and workflows with Generative AI.” |
| n8n | n8n | “Flexible AI workflow automation for technical teams” Code + Drag-n-Drop builder. |
| Cloudflare Agents | Cloudflare | “The Agents SDK enables you to build and deploy AI-powered agents that can autonomously perform tasks, communicate with clients in real time, call AI models, persist state” |
| Mastra | Mastra | “The TypeScript Agent Framework” from the Gatsby team. |