Regardless of the video duration:
Generating a new video costs 5 credits.
Revising an existing video and re-exporting it costs 2 credits.
Batch mode only costs 3 credits per video.
Please note that unused credits cannot be carried over to the next month. Credits will be replenished based on your paid plan. We automatically refund credits for failed rendering.
You can view the history of how the credits are consumed from the credit history page.
If you notice any errors in your credit history, please let us know. We're here to help!