Cognee
·5 minutes read (~976 words)
agent-memory (6)
Zep
·4 minutes read (~765 words)
Memory Feature Matrix
·10 minutes read (~1863 words)
Mem0
·4 minutes read (~776 words)
Letta
·5 minutes read (~815 words)
File-based agent memory
·4 minutes read (~758 words)