MemOS is free, with no paid plan attached. Memvid is free, with no paid plan attached. Both are listed under Agent Memory & RAG-as-a-Service, so this is a like-for-like comparison. Neither is ranked above the other — Flocci carries no sponsored placement.
MemOS is free, with no paid plan attached and is listed for memory operating system for LLM agents with hybrid retrieval and persistent memory. Memvid is free, with no paid plan attached and is listed for packs agent memory into a single portable file with no server or database. Both sit in Agent Memory & RAG-as-a-Service.
Neither — MemOS and Memvid are both free, so the choice comes down to capability rather than cost. Both entries list what they uniquely do above.
Choose MemOS if you need memory operating system for LLM agents with hybrid retrieval and persistent memory; choose Memvid if you need packs agent memory into a single portable file with no server or database. Flocci AI Tools does not rank one above the other — it shows both feature sets side by side and lets the requirement decide.
| MemOS | Memvid | |
|---|---|---|
| Pricing tier | Free | Free |
| Free to start | Yes | Yes |
| Category | AI Agents & Automation | AI Agents & Automation |
| Type | Agent Memory & RAG-as-a-Service | Agent Memory & RAG-as-a-Service |
| Listed capabilities |
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| Tags | memos memory os, agent memory, llm long term memory, open source memory for agents, memtensor memos | memvid, serverless agent memory, single file rag, offline agent memory, replace rag pipeline |
| Website | memos.openmem.net | github.com |
| Full page | MemOS details → | Memvid details → |
| Alternatives | MemOS alternatives → | Memvid alternatives → |