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What is the best AI agent framework or builder?

For production agent graphs with durable state, LangGraph is the developer framework pick. n8n suits self-hostable automation; OpenAI Dots is the always-on consumer agent inside ChatGPT (eligible plans).

Our pick: LangGraph

Use it when you are building production agent workflows with durable state, cycles, and human-in-the-loop.

AI agents Freemium
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Also consider

n8n

Use it when you need self-hostable automation and AI agent workflows with many connectors.

AI agents Freemium
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Use it when you want always-on ChatGPT agents with a cloud computer that work toward goals in the background.

AI agents Paid Launched: Sep 29, 2026
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