Kling 4.0 vs Seedance 2.0 Fast

Two AI video models, one credit balance. Here is how they differ on price, length, quality and sound. Every number is what Cirrela charges today.

Side by side

FeatureKling 4.0Seedance 2.0 Fast
Made byKuaishouByteDance
Good atKling's newest model: steady fast motion, up to 30 secondsSnappy drafts with audio — iterate in seconds
Price for a default video118 credits, 5 seconds at 1080p121 credits, 5 seconds at 720p with sound
Length5 to 30 seconds4 to 15 seconds
SoundNo soundMade with the video
Best resolution1080p (paid plans)720p (paid plans)
Start from a photoYesYes, but not of real people
Formats16:9, 9:16, 1:1, 21:916:9, 9:16, 1:1, 4:3, 3:4, 21:9

Run the same idea through both

Pick a prompt, make it with each model and keep the one you like. The pictures are stock clips that show the idea, not output from either model.

Example

Aerial over a calm sea at sunset, golden clouds, slow cinematic glide

Example

Car driving along the seashore at sunset, tracking shot from a chase vehicle

Example

Close-up of a woman with glowing circuits on her face, slow drift, sci-fi atmosphere

Example

Fast FPV drone over a palm-lined beach at golden hour, waves rolling in, warm haze, anamorphic flare

Which one should you pick?

Pick Kling 4.0 if

  • you want the lower price: 118 credits against 121 for a default video.
  • you need longer shots, up to 30 seconds.
  • you need higher resolution, up to 1080p.
  • you want to animate photos of real people, which it accepts.
Try Kling 4.0

Pick Seedance 2.0 Fast if

  • you want sound made with the picture.
Try Seedance 2.0 Fast

Not sure? Make the same idea with both. New accounts get 60 free credits, failed renders are refunded, and the Create button shows the exact price before you click.