AI Memory System
42.2k 2026-04-12
MemPalace/mempalace
A local, open-source AI memory system designed to store every AI conversation verbatim and organize it for highly efficient semantic retrieval, achieving top benchmark scores.
Core Features
Raw verbatim storage of all AI conversations using ChromaDB.
Hierarchical 'Palace' organization (wings, halls, rooms) for intuitive navigation.
Runs entirely locally, ensuring privacy and no external API dependencies.
Achieved 96.6% R@5 on LongMemEval benchmark in raw mode, highest ever published.
Experimental AAAK dialect for lossy, token-efficient compression at scale.
Detailed Introduction
MemPalace addresses the critical problem of ephemeral AI interactions, where valuable context and decisions are lost after each session. Unlike other systems that summarize, MemPalace stores every word of your AI conversations verbatim in ChromaDB. It introduces a unique 'Palace' metaphor, organizing memories into navigable wings, halls, and rooms, providing a structured map instead of a flat index. This local, open-source system boasts the highest LongMemEval benchmark scores, ensuring comprehensive and retrievable AI memory without relying on external services.