New
Kling 3.0 4KAI video generator
Kling 3.0 in native 4K, with optional sound, from text or a first frame. On Leap, it sits beside 169 other models in one studio.
- Text to video
- Image to video
- Up to 10 s
- With sound
- 3 aspect ratios
- Start free, no card
- Every top model, one account
- Pay per run, priced before it starts
AI video generator
Kling 3.0 4K at a glance
Kling 3.0 4K is a video model from Kuaishou. It makes video with sound from words, a first frame or a last frame, 5 or 10 seconds long.
- Made by
- Kuaishou
- Makes
- Video with sound
- Starts from
- Words, a first frame or a last frame
- Length
- 5 or 10 seconds
- Shapes
- 16:9, 9:16, 1:1
- Sound
- Yes, on by default
- Prompt
- Up to 2,500 characters
- Price per run
- $2.31 to $4.62
- On Leap since
- October 5, 2026
- Updated
- October 5, 2026
- 01Describe it, or start from a photo
- 02See the exact price, then press go
- 03Keep it in your library, or take it further
Pick the right one
Kling 3.0 4K and its siblings
| Model | Best for | Length | Resolution | Sound | Price per run |
|---|---|---|---|---|---|
| Kling 3.0 4K (this page) | Kling 3.0 in native 4K, with optional sound, from text or a first frame. | 5 or 10 seconds | – | Yes | $2.31 to $4.62 |
| Kling 3.0 | Cinematic motion and strong physics, from text or a first frame. | 5 or 10 seconds | – | – | $0.924 to $1.848 |
| Kling 2.6 | Kling's value model: smooth motion at a low price. | 5 or 10 seconds | – | – | $0.231 to $0.462 |
| Kling 3.0 Motion Control | Moves the character in your image the way the person in a reference video moves, and keeps the face through turns, hands and hats. Billed by the length of the reference video. | – | Up to 1080p | – | $0.1386 a second of your video |
Start with an idea
Three ways to try Kling 3.0 4K
Side by side
More video models on Leap
No prompt needed
Or start from a recipe
Recipes write the prompt for you: add a photo, pick a look, and get a finished result.
Questions
Kling 3.0 4K, answered
- What is Kling 3.0 4K?
- Kling 3.0 4K is a video model from Kuaishou. Kling 3.0 in native 4K, with optional sound, from text or a first frame. On Leap it runs in one studio beside every other top model, with one account.
- Can Kling 3.0 4K start from a photo?
- Yes. Kling 3.0 4K starts from words, a first frame or a last frame. The photo becomes the first frame, cropped to the video's shape.
- How long can the videos be?
- 5 or 10 seconds. You choose the length before you press go, and the price follows it.
- What resolution and sizes does it make?
- 16:9, 9:16 or 1:1.
- Does it make sound?
- Yes. Kling 3.0 4K makes the sound with the picture, and it is on by default. Turn it off for a silent clip.
- How is it different from Kling 3.0, Kling 2.6 and Kling 3.0 Motion Control?
- Kling 3.0 4K: Kling 3.0 in native 4K, with optional sound, from text or a first frame. Kling 3.0: Cinematic motion and strong physics, from text or a first frame. Kling 2.6: Kling's value model: smooth motion at a low price. Kling 3.0 Motion Control: Moves the character in your image the way the person in a reference video moves, and keeps the face through turns, hands and hats. Billed by the length of the reference video. They all run in the same studio, so you can try one prompt on each.
- How much does a run cost?
- A 5-second clip costs $2.31 at the default settings. By length, a run costs $2.31 to $4.62. You see the exact price before you press go, and a run that fails costs nothing.
- Is Kling 3.0 4K free to try?
- Sign up with a Gmail, Outlook or work address and you start with $2 of free credit, no card needed. The cheapest run is $2.31 (a 5-second clip), more than the credit, so you add credit before the first one. After that you pay per run, in dollars, with no subscription.
- Can I use what I make commercially?
- Yes. You own what you make on Leap, so you can use it commercially, and we never train AI on it. The people and brands shown in a result can still have rights in it; the Terms say more.
- Is there an API?
- Yes. Leap's REST API runs it as kling/kling-3.0-4k, at the same price per run as the studio, and agents can call it through Leap's MCP server. The request is at the bottom of this page.
- Do I need a Kuaishou account?
- No. Leap sends your request to Kuaishou's model and gives you what it makes. One Leap account runs Kling 3.0 4K and every other model, in the studio, through the API and from your agents.
Your idea, Kling 3.0 4K.
Start free, no card. Every run shows its price before it starts.
Make it with Kling 3.0 4KFor developers
Run Kling 3.0 4K from code
- Model ID
- kling/kling-3.0-4k
- Makes
- Video
- Pricing
- Per run, quoted first: POST /v1/quotes
Inputs
What the model takes. Leave out anything with a default.
Promptprompt
Text, up to 2,500 characters, required
First framefirst_frame
An imageAn image the video starts from. It is cropped to the video's shape.
Last framelast_frame
An image
Aspect ratioaspect_ratio
16:9, 9:16, 1:1. Default: 16:9
Durationduration
5, 10 s, required. Default: 5 s
Soundaudio
On or off. Default: onGenerate dialogue, effects and music with the video.
Shot Typesettings.shot_type
Customize, Intelligent. Default: CustomizeThe type of multi-shot video generation.
Cfg Scalesettings.cfg_scale
0 to 1. Default: 0.5The CFG (Classifier Free Guidance) scale is a measure of how close you want the model to stick to your prompt.
Negative promptnegative_prompt
Text, up to 2,000 charactersWhat the image should not contain.
The request
The same envelope for every model; only the model and its input change. With prefer: wait=60 the answer holds the result when the run finishes within a minute; a longer one is read again by its ID. Agents can call it through the MCP server at app.tryleap.ai/api/mcp.
curl https://api.tryleap.ai/v1/generations \ -H "x-api-key: $LEAP_API_KEY" \ -H "content-type: application/json" \ -H "prefer: wait=60" \ -d '{ "model": "kling/kling-3.0-4k", "input": { "prompt": "A paper boat drifting down a rainy street at dusk" } }' # Video often outlasts the wait and answers "queued" or "running".# Put its "id" in GENERATION_ID and read it again until it is done:# curl https://api.tryleap.ai/v1/generations/$GENERATION_ID -H "x-api-key: $LEAP_API_KEY"