Letta
About Letta
"Open-source framework for building AI agents with persistent memory and stateful interactions"
Letta (formerly MemGPT) is an open-source framework for building stateful AI agents with persistent memory, enabling agents that remember past interactions, learn from experience, and maintain consistent personas over long conversations. Unlike stateless chatbots that forget context between sessions, Letta agents maintain structured memory including core identity, conversation history, and learned knowledge, updating their memory intelligently as they interact. The framework provides a deployment server, REST API, and management tools for running production agent services with full memory persistence.
Key Features
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