Video models
Kling 3.0 vs Kling 4.0
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, Kling 3.0 costs less: 20 Sparks a second against 30 (5 seconds: about $1.00 against $1.50).
- Kling 4.0 makes longer clips: up to 30 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).
- Kling 4.0 goes up to 1080p; Kling 3.0 up to 720p.
- Only Kling 4.0 takes reference pictures or videos, to keep a character or a move.
- Kling 3.0 is Standard quality and Kling 4.0 is Pro.
Side by side
| Kling 3.0 | Kling 4.0 | |
|---|---|---|
| Maker | Kuaishou | Kuaishou |
| Quality tier | Standard | Pro |
| Price at 720p | 20 Sparks/s ($1.00 for 5 s) | 30 Sparks/s ($1.50 for 5 s) |
| Price at 1080p | Not offered | 48 Sparks/s ($2.40 for 5 s) |
| Clip length | 3 to 15 seconds | 3 to 30 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, and an end picture to land on; References: up to 10 pictures, 5 videos (30 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.
Big action and camera moves, up to 30 s; frames and references. Best at action scenes and realistic footage.
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.