Compare models
AI Video Models Compared
Compare the four AI video models on Copy AI Video: Seedance 2.5, Seedance 2.0, MiniMax H3 and Kling 4. See length, resolution, aspect ratios and sound side by side, then use any of them for text to video or image to video.
Seedance 2.5ByteDance
Single takes up to 30 seconds, with sound
- 4–30s
- 480p · 720p
- Sound, can be turned off
Seedance 2.0ByteDance
Multi-shot scenes with sound, six aspect ratios
- 4–15s
- 480p · 720p
- Sound, can be turned off
MiniMax H3MiniMax
Short 2K clips, always with sound
- 4–15s
- 2K
- Sound always on
Kling 4Kuaishou
720p clips from 3 seconds, always with sound
- 3–15s
- 720p
- Sound always on
AI video model comparison table
These are the exact limits our generator uses for each model. If a setting is missing for a model, that model does not support it on Copy AI Video.
| 2.5Seedance 2.5 | 2.0Seedance 2.0 | H3MiniMax H3 | 4Kling 4 | |
|---|---|---|---|---|
| Developer | ByteDance | ByteDance | MiniMax | Kuaishou |
| Duration | 4–30s | 4–15s | 4–15s | 3–15s |
| Resolution | 480p · 720p | 480p · 720p | 2K | 720p |
| Aspect ratios, text to video | 9:1616:91:13:44:321:9 | 9:1616:91:13:44:321:9 | 9:1616:91:13:44:321:9 | 9:1616:91:121:9 |
| Aspect ratios, image to video | Keeps image ratio | 9:1616:91:13:44:321:9 | Keeps image ratio | Keeps image ratio |
| Sound | Sound, can be turned off | Sound, can be turned off | Sound always on | Sound always on |
Try any model with text or an image
FAQ
Choosing an AI video model
Which AI video model is best?
There is no single best model; it depends on the clip. Longer than 15 seconds: Seedance 2.5. Sharp 2K with sound: MiniMax H3. A silent clip, or a fixed aspect ratio from your own image: Seedance 2.0. The shortest clip, 3 seconds at 720p: Kling 4. For short social videos all four work, so pick the look you like best.
Can I switch models after writing a prompt?
Yes. The model picker sits in the bar under the prompt. Switching keeps your prompt and image, and adjusts length and resolution to the closest options the new model supports.
Do all AI video models generate sound?
Yes, all four generate audio together with the picture. Seedance 2.5 and 2.0 let you turn it off; MiniMax H3 and Kling 4 always render sound.
Do all models cost the same?
No. Price depends on the model, duration and resolution, and the Create button shows the exact cost before you pay. With any model, credits are refunded if a render fails.