Alternatives to

Letta

Open-source framework for stateful AI agents with memory

8 approved alternatives Suggest an alternative

The most recently approved AI tools people use as an alternative to Letta (Open-source framework for stateful AI agents with memory), newest first.

Flowise

Open-source drag-and-drop builder for LangChain workflows

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AutoGPT

The project that kicked off autonomous AI agents

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Agent GPT

Deploy an autonomous AI agent from your browser

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Manus

The Chinese autonomous agent that went viral in early 2025

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Dify

Open-source platform for building AI apps and agents

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CrewAI

Open-source framework for orchestrating multi-agent AI

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Coze

ByteDance's no-code platform for building and publishing bots

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LangChain

The most widely adopted framework for LLM applications

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