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MemGPT (Letta)

Vector Databases & Memory
Agentic AI
AI Research
Letta

Virtual context management system that gives AI agents hierarchical memory exceeding context window limits. Automatically manages working memory, episodic memory, and long-term storage. Now evolved into Letta, a production platform for stateful AI agents.

Why Use MemGPT (Letta)

Breakthrough approach to agent memory using OS-inspired virtual memory. Agents can remember unlimited context by intelligently swapping between working memory and long-term storage. Handles conversations spanning months without losing context. Perfect for building truly persistent AI agents that improve over time.

Use Cases for Builders
Practical ways to use MemGPT (Letta) in your workflow
  • Build AI agents that remember unlimited conversation history
  • Create personal assistants that learn and adapt over weeks/months
  • Implement hierarchical memory systems with automatic management
  • Develop agents that maintain context across long-running projects
  • Build stateful chatbots with persistent personality and knowledge
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