# Seedance 2.5 vs Kling 4.0

> Kling 4.0 is Kuaishou’s answer to Seedance 2.5: both make one continuous clip of up to 30 seconds with sound, from text, frames, reference images or a video to edit. The differences are in the price per resolution, how many references each takes, and the settings each offers. Prices as of 2026-11-01.

- Page: https://revana.si/seedance-2-5/vs-kling-4-0
- Overview: https://revana.si/seedance-2-5.md
- Model reference: https://revana.si/models/seedance-2.5.md

| | Seedance 2.5 | Kling 4.0 |
|---|---|---|
| Made by | ByteDance | Kuaishou |
| Model id | seedance-2.5 | kling-4.0 |
| Clip length | 4–30 s | 3–30 s |
| Resolutions | 480p, 720p, 1080p | 720p, 1080p |
| Aspect ratios | 16:9, 9:16, 1:1, 4:3, 3:4, 21:9, adaptive | 16:9, 9:16, 1:1, 21:9 |
| Sound | Yes, no extra charge | Yes, no extra charge |
| Inputs | Text to video, First frame, First and last frame, Reference images, Edit a video | Text to video, First frame, First and last frame, Reference images, Edit a video |
| Reference images | up to 30 | up to 10 |
| Price per second, with sound | 480p $0.09 · 720p $0.21 · 1080p $0.52 | 720p $0.18 · 1080p $0.27 |
| Routes on Revana | 5 providers | 2 providers |

## Where Seedance 2.5 wins

- **480p drafts.** Seedance 2.5 renders at 480p for $0.09 a second; Kling 4.0 starts at 720p ($0.18). Drafting a 10 second shot costs $0.90 instead of $1.80.
- **More references.** Up to 30 reference images plus reference clips and sounds, against 10 images on Kling 4.0. That matters for a product shot from several angles, or a cast of characters.
- **More frame shapes.** 16:9, 9:16, 1:1, 4:3, 3:4, 21:9 and adaptive, against 16:9, 9:16, 1:1, 21:9. Kling 4.0 has no 4:3 or 3:4.

## Where Kling 4.0 wins

- **Price at 1080p.** $0.27 a second against $0.52: a 30 second 1080p clip is $8.10 on Kling 4.0 and $15.60 on Seedance 2.5.
- **Price at 720p.** $0.18 against $0.21 a second, also with sound.
- **Editing a video for less.** With a video input Kling 4.0 is $0.11 a second at 720p, Seedance 2.5 $0.15.
- **Shorter minimum.** Kling 4.0 makes clips from 3 seconds, Seedance 2.5 from 4.

## Which to use

For finished 1080p footage on a budget, start with Kling 4.0. For cheap 480p iterations, many references, or 4:3 and 3:4 frames, start with Seedance 2.5. Their looks differ shot by shot, so render the same prompt on both at the lowest resolution before you commit.

## FAQ

### Is Seedance 2.5 better than Kling 4.0?

Neither wins every shot. Kling 4.0 costs less at 720p and 1080p ($0.18 and $0.27 a second against $0.21 and $0.52); Seedance 2.5 adds 480p drafts, up to 30 reference images and more aspect ratios. Both make 30 second clips with sound.

### Which is cheaper, Seedance 2.5 or Kling 4.0?

At the same resolution, Kling 4.0: a 10 second 720p clip is $1.80 against $2.10, and 30 seconds at 1080p $8.10 against $15.60. Seedance 2.5 at 480p ($0.90 for 10 seconds) costs the least of the two.

### Do both make sound?

Yes. Kling 4.0 always adds stereo sound; Seedance 2.5 generates sound when audio is true, at the same price either way.