Agents · Letta AI

Letta

Stateful agents with persistent, OS-style memory

[ Overview ]

Letta (the commercial evolution of the MemGPT research project) is an open-source framework and hosted platform for building AI agents with structured, persistent memory that survives across sessions.

[ Pros ]

Sophisticated memory hierarchy vs. plain context stuffing
Self-hosted option is fully free (Apache 2.0)
Built on well-cited MemGPT research

[ Cons ]

Steeper learning curve than simple chat agents
Memory tuning requires care to avoid drift

[ Tags ]

memoryopen-sourceframework