Letta (formerly MemGPT)

by UC Berkeley Sky Computing Lab team of MemGPT creators and advisors.
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A platform for building AI agents with long-term memory and context management across interactions.

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Description

Letta is a platform and framework for building AI agents that retain and manage context and memory. The project was previously known as MemGPT.

Developers can create agents through an SDK and deploy them in the cloud or self-hosted. The official site also describes research on memory and agent learning.

Sources: https://www.letta.com/, https://docs.letta.com/ (official sources; reviewed 2026-11-01).

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