KuaishouKling 4.0 AI
Kuaishou Kling 4.0 generates 3–30 second videos at 720p or 1080p with stereo sound, from text, a first and last frame, or reference images and videos. Released October 2026. Try it online in the Studio or call it from code, up to 5% below the official price.
- Developer
- Kuaishou
- Kling family
- Released
- October 2026
- Output
- 1080p
- 3–30 s
- From
- $0.1486/s
- 720p
Try it
Try Kling 4.0 AI now
Runs on your balance at the price on the button; failed runs are refunded. Results are saved to your account.
What it is
What is Kling 4.0?
Longer, sharper shots
Kling 4.0 makes clips of up to 30 seconds in a single generation, with Kling's realistic motion, steady faces and hands, and close prompt following — now including a 21:9 cinematic frame.
Sound on every clip
Every video comes with synchronized stereo audio — dialogue, ambience and effects — generated together with the picture and included in the price.
Frames and references
Animate between a first and last frame, or combine up to 10 reference images and up to 5 reference videos, and refer to them in the prompt as @Image1 and @Video1.
Capabilities
What Kling 4.0 can do
Up to 30 seconds
Pay per second
Stereo audio
Included on every clip
720p / 1080p
16:9, 9:16, 1:1 and 21:9
References
Images, videos, first & last frame
Examples
Kling 4.0 examples
Prompts you can load into the Studio and try.
A paper boat drifts along a rain-filled gutter at night, neon reflections, the soft patter of rain
Wide 21:9 shot: a lone rider crosses a salt flat at dawn, heat haze, hoofbeats and wind
A street musician plays an accordion in a Paris square as pigeons take off, warm afternoon light
- Reference to Video
@Image1 tries on the jacket from @Image2 in front of a mirror, then turns to camera and smiles
Use cases
What people use Kling 4.0 for
- Concepts and b-roll
- Scenes, establishing shots and storyboards from a written description.
- Animating stills
- Product shots, characters or artwork brought to life — or a transition between two frames.
- Consistent characters and products
- Up to 10 reference images keep a face, outfit or product the same across shots.
- Matching a motion or a shot
- Up to 5 reference videos to follow a camera move, a dance or an edit rhythm.
- Longer single takes
- Up to 30 seconds per generation (3–30 s).
- Vertical social video
- 9:16 for TikTok, Reels and Shorts, alongside 16:9 and other ratios.
Versions
Kling 4.0 in the Kling family
Every Kling model we offer, newest first. Kling AI covers the whole family.
| Model | Released | Max res. · length | From |
|---|---|---|---|
| Kling 4.0 | October 2026 | 1080p · 3–30 s | $0.1486/s |
| Kling 3.0 Turbo | June 2026 | 1080p · 3–15 s | $0.1064/s |
| Kling 3.0 | February 2026 | 4K · 3–15 s | $0.0773/s |
| Kling 3.0 Omni | February 2026 | 4K · 3–15 s | $0.0773/s |
How it compares
Kling 4.0 vs similar models
Kling 4.0 vs Kling 3.0
Kling 4.0
- Longer clips: up to 30 s vs 15 s.
- More reference inputs: up to 10 images and 5 videos.
- More aspect ratios: 4 vs 3.
Kling 3.0
- Lower price: $0.0773/s vs $0.1486/s at 720p (48% less).
- Higher maximum resolution: 4K vs 1080p.
- Can generate native audio (billed at a higher rate).
Where to use it
Three ways to use Kling 4.0
In the Studio
No code: write a prompt, pick the settings, generate. The price is shown before you run.
Through the API
One key and one request shape for every model; poll the generation or get a webhook.
FAQ
Kling 4.0 AI questions
Kling 4.0 is developed by Kuaishou. CheaperGen provides API access and does not own the model. Trademarks belong to their respective owners.