Logo

AI Memory

Memory layers and engines for giving AI agents persistent, long-term memory

AI Memory — comparison of mem0, mempalace, letta, supermemory, cognee
Universal memory layer for AI Agents
mem0
The best-benchmarked open-source AI memory system. And it's free.
mempalace
Letta is the platform for building stateful agents: AI with advanced memory that can learn and self-improve over time.
letta
Memory engine and app that is extremely fast, scalable. The Memory API for the AI era.
supermemory
Memory control plane for AI Agents in 6 lines of code
cognee
Popularity
Stars55,56552,10422,68522,54317,203
Global Rank#356#393#1717#1745#2544
Weekly Activity(May 6 – May 12)
New Stars+69+88+32+15+11
Pushes153303637
Issues Closed04000
Community
Forks6,3186,8672,4112,0551,798
Contributors3138315376153
Open Issues341543711165
Project Info
Ownermem0aiMemPalaceletta-aisupermemoryaitopoteretes
LicenseApache-2.0MITApache-2.0MITApache-2.0
LanguagePythonPythonPythonTypeScriptPython
CreatedJun 2023Apr 2026Oct 2023Feb 2024Aug 2023