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Letta AI Framework

Letta (formerly MemGPT) is a stateful agents framework with memory and reasoning capabilities.

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Information

GitHub Metrics

GitHub Stats (Jun 2025)
16.8K
Stars
🍴
1.7K
Forks
0.8%
vs last month
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Introduction

Letta AI Framework

Letta, previously known as MemGPT, is an open-source framework designed for building stateful agents with advanced reasoning capabilities and transparent long-term memory management. It offers a white-box, model-agnostic approach, making it highly adaptable for various applications. Below are the key features and use cases of Letta:

Key Features
  • Stateful Agents: Letta enables the creation of agents that maintain state over time, allowing for persistent interactions and memory retention.
  • Memory and Reasoning: The framework supports sophisticated memory management and reasoning, empowering agents to handle complex tasks.
  • Model-Agnostic: Compatible with multiple LLM backends like OpenAI, Anthropic, vLLM, and Ollama, providing flexibility in deployment.
  • REST API and SDKs: Offers a robust API for integration, along with Python and TypeScript SDKs for developers.
  • Agent Development Environment (ADE): A graphical interface to create, deploy, and interact with agents, ideal for testing and debugging.
  • Docker Support: Easy deployment using Docker, ensuring data persistence with PostgreSQL for reliable migrations.
Use Cases
  • Customer Support: Deploy Letta agents as chatbots with memory to provide personalized and context-aware support.
  • Content Creation: Utilize agents for generating text or other content with consistent style and context over multiple interactions.
  • Data Analysis: Leverage reasoning capabilities for data-driven insights and automated reporting.
  • Task Automation: Automate repetitive tasks with agents that remember past actions and adapt to user needs.
Target Users

Letta is ideal for developers, AI researchers, and businesses looking to integrate advanced AI agents into their workflows. Its open-source nature and extensive documentation make it accessible for both beginners and experts.

Unique Selling Points
  • Transparent Memory Management: Unlike black-box AI solutions, Letta provides full visibility into how memory and context are handled.
  • Community-Driven: With over 16.6k stars on GitHub and contributions from 137 developers, it benefits from a vibrant community.
  • Scalable Deployment: From local setups to cloud-hosted solutions, Letta supports diverse deployment scenarios with ease.

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