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Everything Clamly AI does uses usage units. You spend them from two allowances at the same time, and you can keep using AI while you have room in both.

Your allowances

The session allowance starts with your first AI request and refills 5 hours later, whether or not you used all of it. The weekly allowance starts with your first AI request of the week and resets 7 days later.
A session is not the same as being signed in. Closing Clamly or signing out does not end it or refill it. Only the 5 hours do.

What each feature uses

So on Free, one session covers about five generated quizzes, or a long evening of chat messages. If a request fails partway, the units it reserved are given back automatically.

See how much you have left

  • Starter and Pro: the lightning meter in the header shows how much of your session allowance you have used, and says Cooldown while it refills. The Billing page shows both allowances, with a countdown to the next refill.
  • Free: there is no meter. Clamly tells you when you reach a limit.

When you reach a limit

You will see one of these messages. None of them affects anything that is not AI: quizzes, flashcards, notes and everything else keep working.
Your session allowance is used up. It refills 5 hours after the session started. Upgrading gives you a larger session allowance straight away.
You hit the session limit and the session is cooling down. Wait until the 5 hours are up, or upgrade.
Your weekly allowance is used up. It resets 7 days after your first AI request of the week. Session refills do not add to it.
Need more? Starter has 4 times the weekly allowance of Free, and Pro has 8 times. See Plans and billing.
Last modified on September 29, 2026