Model comparison · Kuaishou vs Runway
Kling vs Runway Gen-4 Turbo: which video model should you use?
Runway Gen-4 Turbo and Kling are both strong image-to-video choices. Compare their live settings and run the same start frame through both.
Kling at a glance
Kling is the video model family from Kuaishou. On MotionLab you can run the current Kling versions from text or from a start image, compare them with other video models on the same page, and keep every take in one library.
| Variant | Modes | Duration | Resolution | Aspect ratios | Audio / end frame |
|---|---|---|---|---|---|
| Kling 4.0 Keyframes | Image to video | 3–30s | 720p · 1080p | auto · 16:9 · 9:16 · 1:1 · 21:9 | Native audio · End frame |
| Kling 4.0 References | Reference to video | 3–30s | 720p · 1080p | auto · 16:9 · 9:16 · 1:1 · 21:9 | Native audio · No end frame |
| Kling V3 Pro | Image to video · Text to video | 3–15s | 1080p | 1:1 · 16:9 · 9:16 · 4:3 · 3:4 · 3:2 · 2:3 · 21:9 · 9:21 · 5:4 · 4:5 · 2.35:1 · auto | Native audio · End frame |
| Kling V3 4K | Image to video · Text to video | 3–15s | 4K | 1:1 · 16:9 · 9:16 · 4:3 · 3:4 · 3:2 · 2:3 · 21:9 · 9:21 · 5:4 · 4:5 · 2.35:1 · auto | Native audio · End frame |
| Kling Video V3 Turbo Standard | Text to video · Image to video | 3–15s | 720p | 1:1 · 16:9 · 9:16 · 4:3 · 3:4 · 3:2 · 2:3 · 21:9 · 9:21 · 5:4 · 4:5 · 2.35:1 · auto | Native audio · No end frame |
| Kling Video V3 Turbo Pro | Text to video · Image to video | 3–15s | 1080p | 1:1 · 16:9 · 9:16 · 4:3 · 3:4 · 3:2 · 2:3 · 21:9 · 9:21 · 5:4 · 4:5 · 2.35:1 · auto | Native audio · No end frame |
| Kling Video V3 Standard (Motion Control) | Motion control | 1–30s | 720p | 1:1 · 16:9 · 9:16 · 4:3 · 3:4 · 3:2 · 2:3 · 21:9 · 9:21 · 5:4 · 4:5 · 2.35:1 · auto | Native audio · No end frame |
| Kling Video V3 Pro (Motion Control) | Motion control | 1–30s | 1080p | 1:1 · 16:9 · 9:16 · 4:3 · 3:4 · 3:2 · 2:3 · 21:9 · 9:21 · 5:4 · 4:5 · 2.35:1 · auto | Native audio · No end frame |
Runway Gen-4 Turbo at a glance
Gen-4 Turbo is a video model from Runway. On MotionLab it sits next to the other video models, so you can try it on a shot and pay per generation with credits instead of a separate monthly plan.
| Variant | Modes | Duration | Resolution | Aspect ratios | Audio / end frame |
|---|---|---|---|---|---|
| Runway Gen-4 Turbo | Image to video · Text to video | 5–10s | 720p · 1080p | 1:1 · 16:9 · 9:16 · 4:3 · 3:4 | Silent · No end frame |
When to choose Kling
- Character and people shots where you want readable motion and expressions.
- Image-to-video from an approved still, so composition and styling stay locked.
- Higher-resolution deliverables when the 4K variant is available for your settings.
- Short product, fashion and lifestyle clips cut into social edits.
When to choose Runway Gen-4 Turbo
- Fast image-to-video iterations from an approved still.
- Concept and pitch shots where quick turnaround matters more than maximum length.
- Testing a shot across several models before committing to one look.
- Motion design and stylised inserts for edits.
How to run a fair comparison
- Use the same prompt, the same start image and the same aspect ratio on both models.
- Match duration and resolution where both models support them; the tables above show the overlap.
- Generate two or three takes per model. One take of each says more about luck than about the model.
- Judge at full size on the screen it is made for: motion quality, subject stability, prompt adherence and artefacts.
- Compare cost per usable take, not cost per generation.
Related comparisons
Kling vs Runway Gen-4 Turbo questions
Is Kling or Runway Gen-4 Turbo better?
It depends on the shot. Compare the modes and settings in the table above, then run the same prompt and start image through both on MotionLab and judge the results side by side. Both use the same credit balance.
Can I use Kling and Runway Gen-4 Turbo with one account?
Yes. Both are available from the same MotionLab model picker while they are enabled, and every result lands in one library.
Which is cheaper, Kling or Runway Gen-4 Turbo?
The credit cost depends on the variant and settings you choose and is shown before you generate. See the pricing page for credit packs.