Mem0 by Mem0
Memory layer that extracts, stores and retrieves user and agent memories for LLM apps.
Memory for agents Official MCP server Open source
Price
Free plan
paid plans from $19/mo
Free tier
Yes
Hobby: 10,000 add requests and 1,000 retrieval requests/month
SDK downloads
643K
npm mem0ai · PyPI mem0ai
Pricing
| Free tier | Hobby: 10,000 add requests and 1,000 retrieval requests/month |
|---|---|
| Cheapest paid plan | $19 a month |
| Usage price | Starter $19/month: 50,000 adds + 5,000 retrievals; Pro $249/month: 500,000 adds + 50,000 retrievals |
| Good to know | Graph memory only on Pro and above. Usage-based pricing available on request. The old self-run mem0-mcp repo is archived; the official MCP is now cloud-hosted. |
From the official pricing page, checked Oct 9, 2026. Prices change: confirm before you buy.
Use it from an agent
| MCP server | Official: https://mcp.mem0.ai/mcp |
|---|---|
| npm | npm install mem0ai |
| PyPI | pip install mem0ai |
| GitHub | mem0ai/mem0 · 66.9K stars · last push Oct 9, 2026 |
Alternatives to Mem0
| API | Free | Price | SDK downloads / wk | GitHub stars | MCP |
|---|---|---|---|---|---|
| Supermemory Memory and retrieval API that builds per-user memory graphs from text, files and connectors. |
$5 of credits/month | $0.005 / 1k requests · free tier | 150K | 31.2K | MCP |
| Zep Context-graph memory for agents that ingests chats and data and returns relevant facts. |
10,000 credits/month (no rollover) | Free plan · paid from $125/mo | 211K | 4,954 | MCP |
| Letta Stateful agent platform (formerly MemGPT) with persistent, self-editing memory. |
Free plan $0/month, limited agents (3... | Free plan · paid from $20/mo | 161K | 25.1K | MCP |