Kling 4.0 vs Kling 3.0
Two video models side by side: what each costs, what it takes and when to pick it. Both run on one RenderHour balance, so you can give them the same prompt and compare the results yourself.
Pick Kling 4.0 if
You need one take longer than 15 seconds (up to 30), up to 10 reference images, or a 21:9 frame.
Pick Kling 3.0 if
You want a lower price per second, the choice to switch sound off, or 4K output.
Side by side
| Kling 4.0 | Kling 3.0 | |
|---|---|---|
| Price | From 11.25 credits per second | From 6 credits per second |
| Per second at the cheapest setting | 11.25 credits | 6 credits |
| Length | 3 to 30 seconds | 3 to 15 seconds |
| Starts from | A prompt, a photo, or a first and last frame | A prompt, a photo, or a first and last frame |
| Reference images | Up to 10 | None |
| Settings | 720p, 1080p | Standard · no audio, Standard · with audio, Pro · no audio, Pro · with audio, 4K |
| Aspect ratios | 16:9, 9:16, 1:1, 21:9 | 16:9, 9:16, 1:1 |
| API | Not in the API | From $0.177 per second |
| Free plan (10 credits to start) | With the 3-day free trial | With the 3-day free trial |
Questions
- Which is cheaper, Kling 4.0 or Kling 3.0?
- Kling 3.0: 6 credits per second at the cheapest setting, against 11.25 for Kling 4.0.
- Which makes longer clips?
- Kling 4.0, up to 30 seconds; Kling 3.0 goes up to 15.
- Can I use both with one account?
- Yes. Both run on the same balance of credits, so you can try the same prompt on each and compare. Every model comes with the 3-day free trial, and a failed run costs nothing.
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