The number of credits consumed depends on the type of video generated.
Informative Video: 300 credits (video) + 20 credits (caption) = 320 credits
Short Promotional Video: 1,000 credits (video) + 20 credits (caption) = 1,020 credits
UCG Video (8 seconds): 2,000 credits (video) + 20 credits (caption) = 2,020 credits
UCG Video (16 seconds): 4,000 credits (video) + 20 credits (caption) = 4,020 credits