Kling 4.0 Flash vs Seedance 2.5
Two AI video models, one credit balance. Here is how they differ on price, length, resolution and sound. Every number is what Cirrela charges today.
Side by side
| Feature | Kling 4.0 Flash | Seedance 2.5 |
|---|---|---|
| Made by | Kuaishou | ByteDance |
| Good at | Costs 40% less than Kling 4.0 and, unlike it, makes sound | Long cinematic takes up to 30s with native synced audio |
| Price for a default video | 47 credits, 5 seconds at 720p with sound | 237 credits, 5 seconds at 720p with sound |
| Length | 5 to 20 seconds | 5 to 30 seconds |
| Sound | Made with the video | Made with the video |
| Best resolution | 720p | 1080p (paid plans) |
| Start from a photo | Yes | Yes, but not of real people |
| Formats | 16:9, 9:16, 1:1, 21:9 | 16:9, 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 clips were made with Cirrela to show the idea, not necessarily with these two models.
Luxury commercial: a sculpted glass perfume bottle slowly rotates on wet black stone, water droplets catching a thin beam of golden light, mist drifting, macro lens, no text, no logo, deep cinematic sound design
Polished 3D animation: a small friendly robot carefully assembles a glowing glass cube on a clean pastel studio set, soft global illumination, smooth camera orbit, playful mechanical sounds
Fast FPV drone skimming over a palm-lined beach at golden hour, waves rolling in, warm haze, anamorphic lens flare, ocean and wind sound
A lone silhouette faces an endless tunnel of square neon light, slow push-in, volumetric haze, deep cinematic hum
Which one should you pick?
Pick Kling 4.0 Flash if
- you want the lower price: 47 credits against 237 for a default video.
- you want to animate photos of real people, which it accepts.
Pick Seedance 2.5 if
- you need longer shots, up to 30 seconds.
- you need higher resolution, up to 1080p.
Not sure? Make the same idea with both. Failed renders are refunded, and the Create button shows the exact price before you click.