Create with References, Voices and Keyframes
Kling 4.0 AI Video Generator
Kling 4.0
3–30s · 1080pNo video input · 29 × 5s
Without video: rate × output seconds. With video: rate × (output + max(input, output)). All input videos, including video subjects, are summed. The total is rounded up to whole credits.
Video duration is verified on the server before charging.
720p: 17 / 29 · 1080p: 26 / 43 (With video input / No video input)
A More Deliberate Way to Create with Kling 4.0
Bring the decisions that shape a scene into one workspace, so every prompt begins with a clearer creative brief.
From Concept to Shot Language
Translate a loose idea into visible direction: who or what appears, where the action happens, how the camera moves, what the light feels like, and which moment should carry the scene.
Reference Kits for Important Details
Group images around recurring characters, products, props, or visual motifs, then call them out directly in the prompt. This keeps source material connected to its intended role.
3–30 Second Videos
Generate 720p or 1080p videos from a prompt, reference materials, or a sequence of keyframes. Choose an output duration from 3 to 30 seconds.
First and Last Frame Anchors
Define how motion enters and where it should resolve with optional boundary frames. This is useful for reveals, transitions, product movement, and precisely staged transformations.
Voices and Original Sound
Add named voice references or bind a voice to a character. With reference videos, choose whether to keep the original sound. Without reference videos, native audio is generated.
Fast Creative Iteration
Keep the structure of a promising scene while changing only the weak decision—timing, framing, action, reference emphasis, or audio—so each revision stays focused.
How to Create a Kling 4.0 Video
Start with the story decision, anchor the important visuals, then review the sequence as a complete piece before generating.
1. Write the Visual Objective
Describe the subject, environment, action, camera behavior, composition, lighting, tone, and final beat. Use chronological language when several actions need to happen in order.
2. Add Frames and Reusable Elements
Upload a first frame, an optional last frame, and image groups for details that must remain recognizable. Give each element a short name and reference it where it matters in the prompt.
Choose Settings and Generate
Select reference or keyframe mode, set duration and resolution, review the estimated credits, then generate and download the result.
Kling 4.0 Questions
Practical guidance for preparing prompts, references, shot structure, and reusable visual elements.
What is the Kling 4.0 AI video workspace?
It is a structured environment for turning a video concept into a detailed generation brief. You can combine prompts, frame references, reusable visual elements, shot timing, aspect ratio, and sound intent in one workflow.
Which generation modes are available?
Use reference mode for text, images, videos, named subjects and voices. Use keyframe mode to guide the first, middle and last frames. Both modes support 3–30 second output at 720p or 1080p.
How do reusable elements help?
Reusable elements let you organize reference images for a character, product, prop, or other recurring detail. Naming and mentioning an element makes the relationship between the prompt and its source images explicit.
Do I need both a first and last frame?
No. A first frame is useful when the opening composition matters, while a last frame helps communicate the intended destination of the motion. Use either or both only when they add information that the prompt cannot express clearly.
How should I write a strong Kling 4.0 prompt?
Lead with the subject and visible action, then add the setting, camera movement, framing, lighting, mood, and timing. Keep instructions observable, place events in order, and avoid asking for several incompatible camera moves at once.
Can I use a generated video commercially?
Commercial use depends on the terms that apply to your account, the generation service, and every uploaded source asset. Confirm the current terms and make sure you have permission to use referenced people, brands, music, and copyrighted material.
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Give every shot a reason to be there
Shape the frames, references, camera intent, timing, and sound of your next Kling 4.0 concept in one focused workspace.