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 highest-scoring AI memory system ever benchmarked. 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
Knowledge Engine for AI Agent Memory in 6 lines of code
cognee
Popularity
Stars52,72742,28122,01421,69115,137
Global Rank#363#557#1756#1791#2960
Weekly Activity(Apr 5 – Apr 11)
New Stars+149+6,608+20+111+46
Pushes2526010101
Issues Closed612103
Community
Forks5,9155,4032,3311,9871,552
Contributors2983715374146
Open Issues218358993557
Project Info
Ownermem0aiMemPalaceletta-aisupermemoryaitopoteretes
LicenseApache-2.0MITApache-2.0MITApache-2.0
LanguagePythonPythonPythonTypeScriptPython
CreatedJun 2023Apr 2026Oct 2023Feb 2024Aug 2023