OpenMemory vs mempalace

A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.

OpenMemorymempalace
TaglineLocal persistent memory store for LLM applicationsA benchmarked open-source AI memory system that stores conversation history verbatim.
Stars4.3k57k
Forks4887.4k
Open issues13587
LanguageTypeScriptPython
LicenseApache-2.0MIT
Last pushedJun 27, 2026Jul 7, 2026
CategoriesAI Agents, Data & RetrievalData & Retrieval

OpenMemory

OpenMemory is a cognitive memory engine designed for AI agents and large language models (LLMs). It supports real long-term memory, self-hosted storage with local-first architecture using SQLite or PostgreSQL databases. The project offers Python and Node SDKs alongside various integrations such as LangChain, CrewAI, AutoGen, Streamlit, and more.

TypeScript

mempalace

MemPalace is a local-first AI memory system designed for storing conversation histories exactly as they occur. It offers features such as pluggable backend support with ChromaDB being the default, and ensures data privacy by keeping all data on your machine unless explicitly moved elsewhere.

Python