
PRODUCTIVITY
CLOUD-READY
ACTIVELY MAINTAINED
FREEMIUM
LETTA
Letta is an open-source platform for building self-improving AI agents with persistent memory and reasoning. Deploy personalized agents locally via CLI, equipped with skills and subagents to evolve with your workflows. Own your data, enhance productivity, and unlock adaptive AI tailored to your unique needs.
GITHUB STARS
22k
+12% this month
FORKS
2.4k
Active community
LAST PUSH
Apr 24, 2026
High momentum
WATCHERS
142
Tracking updates
LICENSE
Apache-2.0
Commercial use
Letta is an open-source platform for building self-improving AI agents with persistent memory and reasoning. Deploy personalized agents locally via CLI, equipped with skills and subagents to evolve with your workflows. Own your data, enhance productivity, and unlock adaptive AI tailored to your unique needs.
High Performance
Built for speed and minimal overhead.
Self-hostable
Docker, Kubernetes, or bare metal
Developer Native
Programmable via any language workflow
SUPPORTED LANGUAGES
VISUAL INTERFACE



The Quick Glance
Status
Active
Category
Productivity
Pricing
Freemium
Self-Hosted
No
Available on
Windows
macOS
Linux
Latest Release
0.16.7
Mar 31, 2026Relative Standing — across 1,284 tools
STARS22k
Top 18% globally
FORKS2.4k
Top 18% in Open Source
ACTIVITYModerate
Top 64% Activity
WATCHERS142
Top 26% Community