Alternatives to

Letta

Open-source framework for stateful AI agents with memory

8 approved alternatives

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

Aug 17

AutoGPT The project that kicked off autonomous AI agents

Aug 17

Agent GPT Deploy an autonomous AI agent from your browser

Aug 17

Manus The Chinese autonomous agent that went viral in early 2025

Aug 17

Dify Open-source platform for building AI apps and agents

Aug 17

CrewAI Open-source framework for orchestrating multi-agent AI

Aug 17

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

Aug 17

LangChain The most widely adopted framework for LLM applications

Aug 17

Sign in to continue

It's easier when you're signed in — Altern helps you get more out of AI.

By continuing you agree to our Terms and Privacy Policy.