Kling 4.0 vs Seedance 2.5
The newest models from Kuaishou and ByteDance: long takes and motion against detail and acting.
The short answer.
Kling 4.0 is known for long takes and complex motion, and offers a 21:9 format. Seedance 2.5 is known for fine detail in faces, fabric and hair, and adds 480p for cheaper drafts. Both make sound with the picture.
In Aventada, Kling 4.0 makes clips of 3 to 15 seconds and Seedance 2.5 of 4 to 15. Per second at 720p, Kling 4.0 costs 37 credits and Seedance 2.5 39.
Pick Kling 4.0 if…
- Long takes and complex camera moves.
- Action and motion-heavy scenes.
- A cinematic 21:9 frame.
Pick Seedance 2.5 if…
- Close-ups where faces, hair and fabric must look their best.
- Characters who act and talk.
- Cheap 480p drafts before the final render.
At a glance.
As offered in Aventada on November 5, 2026. Prices are in credits, for one generation.
- Made by
- Kuaishou
- ByteDance
- Released
- October 2026
- July 2026
- Resolutions
- 480p720p1080p
- 480p720p1080p
- Lengths
- 3–15 s
- 4–15 s
- Sound
- Always on
- Always on
- Start image
- Optional
- Optional
- Formats
- 16:99:161:121:9
- 16:99:161:1
- Plans
- Creator and up
- Creator and up
Released: Kling 4.0 · Seedance 2.5
Credits, side by side.
Video is priced per second of clip, with sound where the model makes it; images per picture. Failed generations are refunded.
- Per second at 480p
- Kling 4.0Not offeredSeedance 2.517 credits
- Per second at 720p
- Kling 4.037 creditsSeedance 2.539 credits
- Per second at 1080p
- Kling 4.055 creditsSeedance 2.595 credits
We don't publish quality scores or test results here: specs and prices come from our catalog, strengths from each maker's own description. The best test is your own prompt on both.
Questions.
They lead in different places: Kling 4.0 in motion and long takes, Seedance 2.5 in detail and acting. Try the same prompt on both.
Per second at 720p with sound, Kling 4.0 costs 37 credits and Seedance 2.5 39.
Yes. Both always generate sound with the picture.
Try Kling 4.0 and Seedance 2.5 with one plan.
One plan, every top model. You see the price before you start.
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