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Your ModelBrain account

ModelBrain works fully on one computer with no account. An account adds three things: your memories kept in step across your computers, managed encrypted backups, and connecting ChatGPT. This page covers how each one works, what it costs, and how to cancel or leave.

1. Open the ModelBrain menu and choose Account…. Type your email and the 6-digit code we send you.
2. On your first computer, ModelBrain creates your vault: the key that encrypts everything you sync. It shows you a 24-word recovery phrase once. Write it down and keep it somewhere safe. It is the only way back in if you lose every computer, and we do not have a copy.
3. On each further computer, sign in the same way. It shows six words. Open Account… on a computer you already use, check that it shows the same six words for the new one, and approve it. Matching words mean nobody else's computer is being slipped into your account.

Removing a computer (from the Account window on another one) stops it syncing and changes the vault key, so it can't read anything new.

Your memories, forgets and partitions sync between your computers within a few minutes, encrypted on your computer before they leave it. Two things never leave the computer they are on: content read from your folders (each computer reads its own folders) and any partition you mark as local-only. Each computer keeps its own complete copy, so ModelBrain keeps working offline and while our servers are down.

Managed backup comes with sync. Our servers keep daily backups for 30 days, weekly for 12 weeks and monthly for 12 months, plus one before each ModelBrain update and any you take yourself. Each one is checked for completeness, and once a week your computer opens the newest one and counts what is in it, which is the only step that needs your key.

To restore, open Account…, find the backup under Backups and choose Restore. It is restored into a new folder in Documents/ModelBrain/Restores, and your current memories are not changed. Export encrypted copy saves everything you have synced to a folder you keep; your vault key or recovery phrase opens it.

Connecting ChatGPT goes through ModelBrain's relay and is free: any account can use it, with or without a plan. The steps are in ModelBrain and ChatGPT. Each connection is tied to one computer, and works only after you choose Allow for it in the Account window on that computer. The Account window and your account page list the apps connected, how many calls each made today, and a Disconnect button. The relay keeps counts only, never what was asked or answered.

Sync is $6 per computer per month billed yearly, or $8 billed monthly, and $4 per computer a month past 25 on either plan ($48 a year on the yearly plan). Storage for your backups and synced data is $0.05 per GB per month, measured on what is actually stored. Prices are on the pricing page. Subscribe from the Account window or modelbrain.net/account; card details and invoices are handled by Stripe and reached from Card and invoices.

If a payment fails, everything keeps working for 14 days while you update your card.

Choose Cancel subscription in the Account window or on your account page. It stops the renewal; nothing changes until the end of the period you paid for, and there is no refund for the rest of it. We email you the date.

• Until that date: sync and backup keep working. Connecting ChatGPT is free, so it keeps working after that too. Resume subscription undoes the cancel.
• For 30 days after it: your synced data is read-only. You can still restore a backup or export, but not sync new changes. We email a reminder a week before the end.
• After the 30 days: the encrypted synced data and backups are deleted from our servers.
• Always: the memories on your computers stay exactly as they are and keep working.

Choose Delete my account on your account page. If a computer is still signed in, do it from that computer's Account window instead; this stops anyone with only access to your email from deleting your account. Renewal stops at once. Everything we store for the account (encrypted data, backups, computers, billing records we don't have to keep) is erased 14 days later, and we email you a receipt. Until then, Keep my account undoes it. Your local memories are never affected.

Your account page lists sign-ins, computers added and removed, key changes, backups and restores, billing changes and app calls for the last 400 days, and downloads them as a CSV. It never shows or stores the content of your memories.

To share a partition with other people, start or join an organization. It never gives anyone access to your personal memories. See Teams.