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Letta PYTHON

Open source · Apache-2.0v0.9.4 99.95% uptime

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Stars

17.2k

Deploys

41k

Version

0.9.4

Uptime

99.95%

Runtime

PYTHON

License

Apache-2.0

Overview

Letta (formerly MemGPT) is a stateful agent server that treats memory as a first-class primitive — long-term memory, self-editing scratchpads and archival storage. It ships with a visual ADE for inspecting and steering agent state. Claws hosts it with our model router wired in.

Key features

First-class long-term memory
Self-editing scratchpad + archival store
Visual Agent Development Environment
REST + Python SDK
Multi-agent orchestration

Install

$ pip install letta

Quickstart

# 1 - install Letta
pip install letta

# 2 - deploy on claws (managed, autoscaled, zero-ops)
claws deploy letta --model claude-sonnet-4-6

# 3 - or self-host on any VPS
letta serve --port 8080