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Kling 4.0 AI Video Generator
Kling 4.0 AI Video Generator turns simple prompts and reference files into vivid 4K scenes lasting up to half a minute, plus voice matched to any language.
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How the Kling 4.0 AI Video Generator Works
Developed by Kuaishou, this system blends your written cues, still photos, and reference files into finished footage. Omni Reference merges visual and vocal inputs at once, keeping dialogue and motion in step across dozens of languages.
- Blend Any Media as Omni ReferenceDrop in stills, clips, voice takes, or character elements — up to fifteen per project — and the engine pulls them into one coherent scene.
- Audio and Visuals Locked TogetherDialogue lands on cue with the picture, while two-channel stereo keeps every speaker easy to follow in any language.
- Three to Thirty Seconds per RenderA base generation covers 3–30 seconds; growing the story later happens as a separate extension pass rather than inside the first render.
How to Make Videos with Kling 4.0 AI Video Generator
Go from reference files to a polished, downloadable clip in three simple moves with the Kling 4.0 AI Video Generator.
Standout Features of the Kling 4.0 AI Video Generator
Longer clips, richer reference blending, and precise control over speech and picture — all handled inside one browser-based workflow.
Clips Up to Half a Minute
One render reaches thirty seconds, enough room for an opening, a middle beat, and a wrap-up.
720p, 1080p, or 4K Delivery
Choose 720p, 1080p, or 4K and match the frame to its destination — 21:9, 16:9, 1:1, 9:16, or Auto — from vertical social posts to wide product films.
Fifteen Reference Slots
Combine stills, footage, voice takes, and character elements under one cap of 15 — for example 10 photos, 5 clips totaling 30 seconds, or 7 subjects.
Voice Cues Across Languages
Speaker samples shape how each character sounds while picture and stereo stay aligned through every language.
Up to 10 Keyframe Stills
Pin as many as ten keyframes to dictate character appearance, scene changes, and how the shot begins and ends.
Precision Re-Editing
Feed in as many as five clips — one serving as the primary take, each 3–30 seconds, together no longer than thirty — to adjust expressions, motion, setting, or overall style.
Answers About the Kling 4.0 AI Video Generator
Common questions covering length, quality, reference limits, editing, pricing credits, and API access.
Which durations, resolutions, and aspect ratios can I pick?
Renders run from three to thirty seconds and export at 720p, 1080p, or 4K. HDR is configured separately from resolution, so double-check what your final delivery actually demands.
How many reference assets are allowed?
Fifteen is the shared maximum across photos, footage, voice samples, and subject elements alike. Per-category limits draw from that same pool rather than stacking on top of it.
Do audio references eat into my fifteen assets?
Yes — they share the same fifteen-item pool. Sound and picture remain synced through every language, so review each line after rendering to confirm the timing.
What does targeted editing let me change?
Supply up to five clips with one acting as the primary take. Each must run three to thirty seconds and the group cannot total more than thirty; then specify the expression, motion, setting, or style you want reworked.
How does Kling 4.0 stack up against Kling 3.0 and Seedance 2.5?
Compare clip length, output fidelity, accepted inputs, and control options. This version reaches thirty seconds where Kling 3.0 caps at fifteen, plus it adds ten keyframes and fifteen Omni Reference slots.
Which credits apply, and is an API offered?
Balances already loaded in Kling Motion Control work here, and the price on the generate button updates as you adjust settings. Web access does not imply API access — check model IDs, supported inputs, and billing with your provider.
Start Your First Render with Kling 4.0 Today
Credits you already hold on Kling Motion Control carry straight over — glance at the price shown before you hit generate, and keep the prompts that delivered.