// agents · mem0ai/mem0

mem0

Drop-in persistent memory infrastructure for AI agents and apps.

★ 66.8k stars⑂ 7.9k forksApache-2.0updated 2026-10
▦ visual — this project's README ships no embeddable screenshot,
so here's a placeholder. The guide below is complete regardless.
// project facts

Project facts

mem0 is an open-source ai agents project by mem0ai (mem0ai/mem0 on GitHub). It has 66,803 GitHub stars and 7,860 forks, is released under the Apache-2.0 license, and was last updated on GitHub on 7 October 2026.

Repository
mem0ai/mem0
GitHub stars
66,803
Forks
7,860
License
Apache-2.0
Last updated on GitHub
7 October 2026
Category
AI Agents
Listing
Full install guide
Official site
Official site
// how it works

How it works

  1. Clarify your goal

    Decide what you want the project to do before installing anything.

  2. Clone the repo

    Grab the source and skim the README for setup requirements.

  3. Install and configure

    Install dependencies and add any API keys or settings it needs.

  4. Run your first task

    Launch it and follow the example workflow from the docs.

// features

Why people love it

Persistent memory

Context survives across sessions and restarts.

Drop-in API

Add memory without rebuilding your agent.

Production-focused

Positioned as infrastructure, not a demo.

Python ecosystem

Fits naturally into Python agent stacks.

Apache-2.0

Permissive license for commercial deployment.

Active development

Pushed regularly with a large contributor base.

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// run it

Run it yourself

  1. Step 1 - Clone the repo

    Download the source and move into the project folder.

    git clone https://github.com/mem0ai/mem0.git
    cd mem0
  2. Step 2 - Install dependencies

    Create a virtual environment and install the requirements.

    python -m venv .venv && source .venv/bin/activate
    pip install -r requirements.txt
  3. Step 3 - Run an example

    Treat these as starting points - the README documents the exact commands.

    python examples/quickstart.py
// use cases

What you can build

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// faq

Questions, answered

Who maintains mem0?

It is an open-source project at mem0ai/mem0 with 7860 forks. Check the repo's contributors and recent commits to judge how active maintenance is.

Is mem0 free to use?

Yes - it is Apache-2.0 licensed, so it is free for commercial use with attribution.

Do I need a paid API to use it?

It depends on your setup - self-hosted storage can be free, while hosted tiers or embedding APIs may cost money. Check the README for options.

How does it compare to cognee or OpenViking?

All three are agent memory systems. mem0 emphasizes drop-in production infrastructure; cognee leans on knowledge-graph memory; OpenViking adds self-evolving RAG and skills. Try each README's quickstart and pick by fit.

How do I get started?

Clone the repo, read the README's quickstart, and run the provided example - most projects get you to a first result in minutes.

// keep exploring

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// alternatives

Alternatives in AI Agents

The most-starred other AI Agents projects in the LibreAI catalogue — the realistic shortlist if mem0 is not the right fit.

Get mem0

Free and open — grab the source, star the repo, and start creating.