Mem0
Mem0 is a memory layer that lets AI agents and apps remember user details and past context across sessions for developers building assistants.
What it is good for
- Keeping an AI assistant aware of past customer conversations
- Remembering user preferences across separate chat sessions
- Recalling earlier support tickets and history for returning customers
- Storing facts an agent learned so it can use them later
At a glance
- Who it is for
- Setup
- Requires programming
Level 5 of 5. You need to write code to use it.
- Cost
- Free tier plus paid plans
- Type
- Framework or SDK
- Tasks
- Works with
- OpenAI, Claude Code, Codex, Cursor, Windsurf, Vercel AI SDK
Momentum
- Rank this week
- #45 in builder tools
- Best rank
- #37 week 41, 2026
- Stars gained last week
- +468
- GitHub stars
- 68,270
GitHub numbers as of Nov 2, 2026. Updated weekly.
Ranking history
- #45 in week 44, 2026
- #48 in week 43, 2026
- #48 in week 42, 2026
- #37 in week 41, 2026
- #40 in week 40, 2026
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is Mem0 free?
- It has a free plan and paid plans, according to its own description.
- Do I need to know how to code to use Mem0?
- Yes. You need to write code to use it.
- What does Mem0 work with?
- According to its own documentation, it works with OpenAI, Claude Code, Codex, Cursor, Windsurf, and Vercel AI SDK.
- What is Mem0 good for?
- Keeping an AI assistant aware of past customer conversations, remembering user preferences across separate chat sessions, recalling earlier support tickets and history for returning customers, and storing facts an agent learned so it can use them later.
Similar agents
- whatsapp-ai-agent-sdk
WhatsApp AI Agent SDK is a code library that builds a personal or business AI agent on WhatsApp, running on your own machine, for developers.
- Hindsight
Hindsight is an agent memory system that helps AI agents learn over time instead of only recalling chat history, for developers building agents.
- EverOS
EverOS is a Python library and local memory store that lets AI agents keep notes across apps and sessions, stored as readable Markdown files.
- Honcho
Honcho is a memory library that gives AI agents persistent memory of users and projects over time for developers building stateful products.
- Hermes Agent
Hermes Agent is an agent app that remembers past work, builds reusable skills, and runs tasks on a schedule for people who want a personal assistant that improves over time.
- LocalAI
LocalAI is a self-hosted AI engine that runs text, voice, image, and video models on your own hardware, with built-in agents, for people who want to keep their data private.