How Kling reads a prompt
Kling, developed by Kuaishou, is known for realistic motion and physics such as people walking naturally, liquids pouring and fabric moving. It rewards prompts that describe motion concretely: not just "a man running" but how he runs, through what, and how the camera follows. A clear structure of subject, action, environment, camera and lighting keeps the model focused and reduces strange artifacts in complex scenes.
Kling's interface includes text-to-video and image-to-video modes, a negative prompt field, a creativity or relevance setting that balances freedom against prompt adherence, standard and professional quality modes, and options such as start and end frames and clip extension. Clip lengths and feature sets differ between Kling model versions and plans, so check Kling's current documentation before relying on a specific duration or control.
The prompt formula
[subject] + [detailed physical motion] + [environment] + [camera movement] + [lighting] + [style] | negative: [artifacts]
Example
A chef in a white jacket flips vegetables in a flaming wok, the flames rising and oil sizzling, busy restaurant kitchen behind him, slow push-in from waist level, warm tungsten light with orange fire glow, realistic cinematic style | negative: distorted hands, flicker, blurry
Kling parameters and controls
| Control | Syntax | What it does |
|---|---|---|
| Text to video | Text prompt | Generates a clip from your description. Describe motion and camera explicitly.e.g. A horse gallops across a misty meadow, side tracking shot. |
| Image to video | Upload a starting image | Animates your image while keeping its look. Prompt the motion and camera.e.g. The woman walks forward and the camera follows behind her. |
| Negative prompt | Negative prompt field | Lists artifacts to avoid, such as warping, flicker or extra limbs.e.g. blurry, deformed hands, flicker, watermark |
| Creativity vs relevance | Slider in settings | Balances creative freedom against strict prompt adherence.e.g. Lean toward relevance for product shots |
| Mode | Standard / Professional | Higher quality modes cost more credits and take longer but improve detail and motion.e.g. Professional for final renders |
| Duration | Duration selector | Sets clip length, typically 5 or 10 seconds per generation at the time of writing, with extension options for longer sequences.e.g. 10 seconds |
| Start and end frames | First / last frame uploads | Defines where the clip starts and ends so Kling animates between them.e.g. Closed flower as start, bloomed flower as end |
Do this
- Describe motion in physical detail: speed, direction, weight and what reacts to it.
- Name one camera move and how it relates to the subject ("follows from behind", "orbits slowly").
- Use the negative prompt for recurring artifacts like warped hands or flicker.
- Test ideas in the faster mode, then render keepers in the higher-quality mode.
- Use start and end frames to control transformations and transitions precisely.
- Keep the number of characters small for cleaner interactions.
Avoid this
- Writing vague action like "people doing stuff" and getting aimless motion.
- Requesting many characters interacting closely, which increases body warping.
- Mixing several camera moves in one short clip.
- Setting creativity very high for shots that need to match a brief exactly.
Kling prompt examples
Realistic action
A trail runner sprints down a rocky mountain path, loose gravel scattering under her shoes, her ponytail swinging, side tracking shot at running pace, bright morning sun, realistic sports commercial style
Liquid physics
Cold brew coffee pours over ice cubes in a tall glass, ice shifting and cracking, condensation forming on the glass, macro close-up, slow motion, soft backlight on a dark background
Cinematic walk
An old man in a long coat walks slowly through a snowy village street at night, footprints forming behind him, warm windows glowing, camera follows from behind at shoulder height, quiet melancholic mood
Nature transformation
Time-lapse of a sunflower bud opening into full bloom in a sunny field, petals unfolding, bees arriving, static close-up, warm afternoon light, vivid natural color
Kling prompt FAQ
How long can Kling videos be?
Single generations are commonly 5 or 10 seconds at the time of writing, depending on the model version and plan. Kling offers extension features to continue a clip, which lets you build much longer sequences from several generations. Limits change with new releases, so check Kling's current documentation before planning a long project.
Does Kling support negative prompts?
Yes. Kling's generation settings include a negative prompt field. Use it for specific video artifacts such as blur, flicker, distorted hands or faces and watermarks. Keep the list short and targeted. Clear positive descriptions of the motion and scene are still the most effective way to get a clean result.
How do I describe camera movement in Kling?
Write the move in plain language and tie it to the subject: "the camera slowly pushes in on her face" or "side tracking shot following the car". Some Kling versions also offer camera control presets. Stick to one move per clip and describe its speed, such as slow, steady or quick, for smoother results.
Should I use text-to-video or image-to-video?
Use image-to-video when you need a specific character, product or composition, because the image locks in the look and you only prompt the motion. Use text-to-video for exploration and when you are happy for Kling to design the scene. Many creators generate a still with an image model first, then animate it in Kling.