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Kling 4.0 AI Video Generator
Turn text, images and Omni Reference assets into 4K clips up to 30 seconds long—multilingual sync audio included with the Kling 4.0 AI Video Generator.
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Explore the Kling 4.0 AI Video Generator
Kling 4.0 AI Video Generator, developed by Kuaishou, converts written prompts, still images and reference assets into polished video. Omni Reference combines visual and voice inputs, ensuring audio and visuals stay synchronized across languages.
- Omni Reference PipelineMix images, video clips, voice samples and character elements as Omni Reference inputs, with a shared limit of 15 items per project.
- Multilingual Sync and StereoDialogue aligns with the visuals, and two‑channel stereo output gives each character a distinct voice.
- 3–30 Seconds, Extension SeparateA single generation spans three to thirty seconds; extending duration runs as a separate step after the initial clip.
Step‑by‑Step Guide to the Kling 4.0 AI Video Generator
Follow three simple steps to move from reference assets to a reviewed, exportable clip using the Kling 4.0 AI Video Generator.
Key Features of the Kling 4.0 AI Video Generator
Extended runtime, layered reference inputs and multilingual audio‑visual control are all powered by the Kling 4.0 AI Video Generator.
Create Clips Up to 30 Seconds
One generation can last up to thirty seconds, providing space for an opening, a middle section and a conclusion.
Choose 720p, 1080p or 4K Output
Select 720p, 1080p or 4K and choose an aspect ratio—21:9, 16:9, 1:1, 9:16 or Auto—to suit vertical social posts or wide product videos.
Mix Up to 15 Omni Reference Assets
Combine up to fifteen stills, video clips, voice samples and character elements in a single project—for instance 10 images, 5 clips totaling 30 seconds, or 7 subjects.
Use Multilingual Voice References
Voice samples guide each speaker’s tone, and both visuals and stereo audio remain synchronized across languages.
Direct Up to 10 Keyframes
Define up to ten keyframe stills to control character appearance, scene transitions and shot beginnings and endings.
Precision Video Editing
Adjust facial expressions, motion, setting or overall style by providing up to five clips—each 3–30 seconds and totaling no more than 30 seconds—with one designated as the primary take.
Kling 4.0 AI Video Generator — FAQ
Answers to common questions about duration, resolution, references, editing, credits and API for the Kling 4.0 AI Video Generator.
Which durations, resolutions and aspect ratios does Kling 4.0 support?
Clips range from three to thirty seconds, with output at 720p, 1080p or 4K. HDR is configured separately from resolution, so verify your final delivery requirements.
What is the limit for Omni Reference assets?
Fifteen items total, covering pictures, footage, voice samples and subject elements. Counts for each category draw from the same pool and cannot be stacked.
Are voice references included in the 15‑asset limit?
Yes, they draw from the same fifteen‑item pool. Audio and visuals remain synchronized across languages, so check each line after rendering.
How does targeted video editing function?
Provide up to five clips, one as the main take, each 3–30 seconds and together no longer than thirty seconds. Specify which expression, motion, setting or look to change.
What are the differences between Kling 4.0, Kling 3.0 and Seedance 2.5?
Compare runtime, output quality, accepted inputs and control level. Kling 4.0 reaches thirty seconds where Kling 3.0 stops at fifteen, and adds ten keyframes plus fifteen Omni Reference slots.
Which credits are required, and is an API available?
Credits from Kling Motion Control are usable here, and the price on the generate button updates with your settings. Web access does not guarantee API availability—check model IDs, supported inputs and billing with your provider.
Start Creating with the Kling 4.0 AI Video Generator
Your existing Kling Motion Control credits apply here—review the displayed price before generating and keep the prompts that yield the best results.