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Letta Alternatives

Framework for building stateful AI agents with persistent memory, formerly MemGPT

Explore 14 alternatives to Letta across 1 category. Each tool listed below shares at least one category with Letta.

🕵️‍♀️ Agents

Build compliant AI agents with observability, evals, and replay analytics.

Free Trial

Microsoft's framework for building multi-agent AI applications with event-driven messaging

Open Source

Tool integration platform connecting AI agents to 1,000+ apps with managed auth and execution

Open Source Free Trial

Framework for orchestrating role-playing, autonomous AI agents.

Open Source

Rethinking the internet for AI agents.

Free Trial

Open-source cloud sandboxes for running AI-generated code securely in Firecracker microVMs

Open Source Free Trial

The fastest way to build conversational AI agents

Open Source Free Trial

Low-level framework for building stateful, long-running AI agents with graph-based orchestration

Open Source Free Trial

Multi-agent LLM framework using message-based task delegation inspired by the Actor model

Open Source

Enable your AI agents to access any website without worrying about captchas, proxies and anti-bot challenges

Open Source Free Trial

Type-safe Python agent framework with Pydantic validation, tool calling, and dependency injection

Open Source

Microsoft's SDK for building and orchestrating AI agents in .NET, Python, and Java

Open Source

Lightweight Python agent framework from Hugging Face where agents write Python code instead of JSON tool calls

Open Source

Prototype and deploy agents powered by large language models.

Open Source Free Trial

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