AI agent from the MemGPT team with persistent, self-improving memory that learns over time, installed via npm CLI.
What it does
Letta is an AI research lab (from the creators of MemGPT at UC Berkeley) building agents that remember, learn continuously, and improve with experience. Its product, Letta Agent, ships as software installable via an npm CLI and centers on memory-native techniques such as git-based context repositories and sleep-time compute. The company positions itself around long-term agent memory and continual learning.
Core features
Self-improving AI agent with persistent memory
MemGPT-style virtual context management
Git-based context repositories for versioned memory
Sleep-time compute for offline reasoning
Installable developer CLI (@letta-ai/letta-code)
Best for
→Build AI agents that retain and evolve knowledge across sessions
→Give production agents long-term, versioned memory
→Experiment with continual-learning agent research
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Reviews
Big-picture takes: what it's for and whether it delivers. High-engagement YouTube videos — not sponsored.