Video models
Kling 3.0 vs Kling 4.0 Flash
Both run in Pixie Studio, so you can try each with the same prompt. Here's how they differ, from Pixie's own price list.
The short answer
- At 720p they cost the same: 20 Sparks a second (about $1.00 for 5 seconds).
- Kling 4.0 Flash makes longer clips: up to 20 seconds, against 15 for Kling 3.0.
- Only Kling 3.0 makes its own sound; the other is silent (add music or a voice in Sound).
- Only Kling 4.0 Flash takes reference pictures or videos, to keep a character or a move.
- Only Kling 3.0 can end on a picture you choose.
Side by side
| Kling 3.0 | Kling 4.0 Flash | |
|---|---|---|
| Maker | Kuaishou | Kuaishou |
| Quality tier | Standard | Standard |
| Price at 720p | 20 Sparks/s ($1.00 for 5 s) | 20 Sparks/s ($1.00 for 5 s) |
| Clip length | 3 to 15 seconds | 3 to 20 seconds |
| Makes sound | Yes | No |
| Starts from | A written prompt; A start picture, and an end picture to land on | A written prompt; A start picture to animate; References: up to 10 pictures, 5 videos (20 s of video in all) |
| Shapes | 16:9, 9:16, 1:1 | 16:9, 9:16, 1:1, 21:9 |
| Free plan | Paid plans | Paid plans |
Which to use
Reliable motion with native voices and sound effects. Best at action scenes.
Quick, low-cost Kling 4.0 with image and video references. Best at action scenes.
Not sure? Leave Create on Auto: Pixie picks a model for each shot from what it needs (sound, references, length) and its budget.
Join the waitlist to try it
Run the same prompt on each and keep the one you like. The price shows first.