AI Agent Development Platform
21.8k 2026-03-31

letta-ai/letta

A platform for building stateful AI agents equipped with advanced memory, enabling them to learn and self-improve over time.

Core Features

Develop stateful AI agents with advanced, persistent memory.
Supports skills and subagents for complex tasks and continual learning.
Model-agnostic, compatible with various large language models (LLMs).
Provides both a CLI tool for local agent execution and an API with SDKs for integration.
Enables agents to learn and self-improve over time.

Quick Start

npm install -g @letta-ai/letta-code

Detailed Introduction

Letta is an innovative platform designed for creating sophisticated AI agents that possess advanced memory capabilities. Unlike traditional stateless AI, Letta agents can learn, retain information, and self-improve over extended periods, making them highly adaptable and intelligent. It offers a flexible, model-agnostic architecture supporting various large language models (LLMs), alongside powerful CLI tools for local development and robust APIs with Python/TypeScript SDKs for seamless application integration. This empowers developers to build next-generation AI applications with truly intelligent, evolving agents capable of handling complex, long-running tasks and providing more personalized, context-aware interactions.

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