← Back to Directory
✨
Letta AI
LLM Orchestrators
Overview
An open-source framework (formerly MemGPT) for building stateful AI agents with persistent memory. Letta allows agents to learn and grow with your business, managing their own long-term context and memory storage autonomously.
Letta (formerly MemGPT) is an open-source framework for building stateful agents with persistent, self-managed memory, so they retain context and learn across sessions. Its memory-management research underpins long-running, personalized assistants. It targets developers building agents that need durable memory.
Key Features
- Persistent, self-managed agent memory
- Stateful, long-running agents
- Memory management research (MemGPT)
- Tool integration
- Open-source
Best For
Developers building stateful agents that need durable, long-term memory.
Pros & Cons
Pros
- Strong long-term memory model
- Stateful and persistent
- Open-source
Cons
- Memory management adds complexity
- Requires storage infrastructure
Advertisement
Pulse Verdict
“The memory layer for the agentic web. Letta solves the 'amnesiac AI' problem, providing the essential infrastructure for truly intelligent, long-term digital assistants.”
Pricing
Open-source and free; managed cloud available.
Pricing changes often — confirm current plans on the official site.