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MemOS
MemOS is a memory management operating system for AI applications that provides continuous memory and growth.
MemOS is a memory management operating system designed for AI applications and LLM agents. It gives AI continuous memory, persistent understanding across sessions, and cross-task skill reuse. The system features hybrid retrieval, SOTA performance evaluated on benchmarks like LoCoMo and LongMemEval, and token savings. It includes offerings such as MemOS Lite for local-first scenarios, MemOS Cloud, and Agent plugins. Developers can use memory APIs for deep customization and secondary development.
MemOS at a glance
- Best for: Software engineer
- Runs on: API, self-hosted, open source
- Pricing: Free
- Released: July 2025
- Category: AI agent tool
- Website: memos.openmem.net
Key features
- Provides continuous memory for AI agents
- Uses hybrid retrieval for accurate recall
- Supports cross-task skill reuse
- Reduces token usage
- Offers cloud and local deployment options
- Provides ready-to-use memory APIs
Use it for
- Building AI agents with persistent memory
- Reducing token usage in LLM applications
- Managing enterprise AI knowledge and skills
Companion to
Tools whose articles name MemOS as a companion, each with its job for them.
Alternatives to MemOS
- Memori — Reduces LLM token usage and spend by over 97% with targeted recall.
- EverOS — It enables agents to learn from experience and improves over time without manual coding.
- ReMe — It enables local-first, file-native long-term memory sharing across multiple AI agents.
- Agentmemoryrepo — Enables agents to navigate memories like a wiki and share knowledge across sessions.
- Supermemory — Integrates long-term memory into AI coding agents with a single prompt.
- memU — It gives every connected agent a shared and inspectable memory layer.
- Mem0 — It provides drop-in persistent memory for AI agents without changing pipelines.
- Maximem — It delivers fast retrieval and structured memory across frameworks.
- Tigerless Agent Memory — Maintains agent history in portable, greppable Markdown files without API keys.
- Memoh — Agents run 24/7 on dedicated cloud computers with desktops and persistent storage.
- Adaptive Agent Memory Research — It decides what to remember based on measured future utility rather than query similarity.
- Caura — Governed memory providing persistent knowledge sharing for AI agent fleets.
All MemOS alternatives