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Documentation Index

Fetch the complete documentation index at: https://carat.im/docs/llms.txt

Use this file to discover all available pages before exploring further.

If you see a ‘Usage limit exceeded’ message while you still have credits, this isn’t a system error. It’s a normal limit based on the background music (BGM) generation policy.

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Background music model update

Carat upgraded its background music generation model to deliver higher-quality audio. As a result, the computing resources and credits needed to generate a single track have increased significantly compared to before.

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Generation limit for free users

With the total daily credits provided to free users, you can currently generate only about 22 seconds of high-quality background music at most.

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Why generation fails even with credits

Carat’s credits are also partially consumed when you chat with the AI agent or use other features. Because background music generation requires a large amount of credits at once, the system may block it if your credits have already dropped (for example, from conversation) below what’s needed to fully generate one track.

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How to resolve it

  • Shorten the music length: Set the requested music to a very short length and try again.
  • Upgrade your subscription plan: If you’d like to generate longer, high-quality music without restrictions, we recommend upgrading to a subscription plan.