← Daily AI recipesWork✓ Verified Aug 7, 2026

Set Up Shared Memory for ChatGPT and Claude via Mem0

A single file with your projects, contacts, and rules - paste a link into any chat, and the model instantly remembers the context.

  1. 1.Sign up on the Mem0 platform (free plan). Click Sign Up in the top right corner and create an account using your email.

    If the service is unavailable in your region, use a VPN to access the registration site.

    Mem0 Platform ↗
  2. 2.In the left menu, open the Dashboard section. Click the Add Memory button. Add key facts about yourself, your project, and your communication rules one at a time - each fact as a separate entry.

    Do not enter passwords, card numbers, or other sensitive data - this is a third-party service.

    Mem0 Platform ↗
    Prompt
    Add Memory:

I am [your role, e.g. a freelance designer]. My main project is [project name], it is about [one sentence]. My working hours are [time zone and hours]. I prefer responses in [Russian/English]. Always format code in Markdown. My key tools are [list 3-5 tools].
    What this prompt doesPaste this text into the Add Memory field - the model will remember your context. Replace the text in square brackets with your own details: role, project name, time zone, response language, and tools.
  3. 3.In the left menu, open Settings → API Keys and copy your API key. Save it in a secure place - you will need it to connect to the models.

    The free Mem0 plan lets you add up to 1000 memory entries - enough for most tasks.

    Mem0 Platform ↗
  4. 4.Install the Memory Layer for ChatGPT & Claude extension by Mem0 in the Chrome browser. Open the extension page in the Chrome Web Store and click Install.

    The extension works in Chromium browsers (Chrome, Edge, Brave). There is no official extension for Firefox.

    Memory Layer for ChatGPT & Claude (Chrome Extension) ↗
  5. 5.After installation, click the extension icon in the browser toolbar. Paste the Mem0 API key you copied in step 3 and click Save. Enable the toggles for ChatGPT and Claude.

    The API key is stored locally in your browser and is only sent to Mem0 servers during memory requests.

    Memory Layer for ChatGPT & Claude ↗
  6. 6.Open ChatGPT or Claude in your browser and start a new chat. The extension will automatically load your context from Mem0 - you no longer need to repeat your background info. Ask a question that requires knowledge of your project.

    If the memory did not load, check that the API key is saved and the toggle for the desired model is enabled in the extension settings.

    ChatGPT ↗About this tool
    Prompt
    What do you remember about my current project? Summarize in 3 bullet points.
    What this prompt doesAsk this prompt in both ChatGPT and Claude - if the setup was successful, both models will answer based on data from Mem0, without needing you to explain the context again.
💰 What it costs to followprices as of 2026-08
  • freeMem0 Free PlanFree plan: up to 1000 memory entries, enough for personal projects and basic use.
  • freeChatGPT FreeFree plan available at no cost; the Mem0 extension works with any version of ChatGPT.
  • freeClaude FreeThe free Claude plan is available on claude.ai; the Mem0 extension works with the free version.
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