Lifelike Visuals with Upgraded Audio and Video
Fast action and orbit shots stay stable, with stereo audio and more accurate lip sync, in up to 4K.
Describe a scene, upload a photo or add references, and get an AI video fast. Kling 3.0 Turbo runs here today — Kling 4.0 Flash and Kling 4.0 switch on the day their APIs open. Get free credits and start now!
Fast action and orbit shots stay stable, with stereo audio and more accurate lip sync, in up to 4K.
Mix up to 15 images, videos, voice references and subjects in one generation. Remake a trending video with your own product, or change one detail while the rest of the scene stays the same.
Generate 30 seconds in one take and guide each story beat with up to 10 keyframes. Camera moves flow naturally from shot to shot.
Make product ads, short dramas or animation, in styles from vlog to claymation. On-screen text and logos stay clear as the camera moves.
Characters speak Chinese, English, Japanese, Korean and more, with local accents like Cantonese, Sichuanese or British English.
| Feature | Kling 3.0 | Kling 4.0 |
|---|---|---|
| Max duration | 15 seconds | 30 seconds |
| Frame control | Start & end frames | Up to 10 keyframes |
| References | Multi-image and video references | Up to 15 images, videos, voices and subjects |
| Audio | Native audio | Two-channel stereo |
| Speech languages | Chinese, English, Japanese, Korean, Spanish | Adds German, French and more |
| Aspect ratios | 16:9 / 9:16 / 1:1 | Adds 21:9 |
Add product photos as references and get an ad shot with your item in the scene, or bring a poster design to life. Logos and on-screen text stay readable as the camera moves.
Use a real try-on or unboxing clip as a reference, and turn it into a new promo featuring your own product.
Keep the pacing and framing of a video that's already working on social media, and swap in your own product or character. Kling 4.0 Flash is built for this kind of frequent creation.
Map out each story beat with up to 10 keyframes and generate up to 30 seconds in one take, with dialogue in multiple languages and accents.
Use character sheets, game UI or storyboards as references for trailers and animated scenes, in styles from claymation to 3D cyberpunk.
Shoot long takes up to 30 seconds with push-ins, tracking and orbit shots that flow from one shot to the next, backed by two-channel stereo sound.
From free credits to professional production — choose the Kling 4.0 Flash plan that fits your workflow.
$251.88 / year
Save $106.92 per year
Great for getting started and everyday creative work.
$419.88 / year
Save $178.92 per year
For steady creation, content publishing, and commercial use.
$839.88 / year
Save $358.92 per year
For teams, businesses, and high-frequency creative production.
All prices are in USD. Annual plans are billed annually and credits are granted monthly. Actual credit usage varies by model, resolution, duration, and audio settings.
Both are part of Kuaishou's Kling 4.0 lineup. Kling 4.0 generates up to 30 seconds at up to 4K, with up to 10 keyframes and two-channel stereo audio. Kling 4.0 Flash is the faster model, built for frequent creation, making 3–20 second videos at 720p.
Get 100 free credits when you sign up and turn your first idea into a video.