Lifelike motion, immersive audio and precise reference control for videos from 3 to 30 seconds. Live on KLIFGEN now — no subscription, just pay per use from 87 credits a clip.
Create more lifelike Kling 4.0 AI videos with stable dynamic motion and immersive audio. Kling 4.0 handles high-speed movement, continuous action, tracking shots, orbit shots, and complex camera motion while keeping scenes smooth and stable. Improved Lip Sync keeps voices and performances naturally synchronized, while two-channel stereo, realistic lighting, detailed textures, and more expressive characters bring greater realism to every scene.
Stable motion, improved lip sync and two-channel stereo audio.
Use Omni Reference to give Kling 4.0 AI video generation more precise visual and motion guidance. Kling 4.0 supports up to 15 reference items across images, videos, voice references, and subjects. Combine references to control characters, products, actions, camera movement, composition, visual styles, and narrative pacing while maintaining stronger consistency across the generated video.
Point at your references directly from the prompt with @image_1, @image_2…
Tell longer and more complete stories with the Kling 4.0 API, supporting video generation from 3 to 30 seconds. Kling 4.0 can maintain continuous actions and narrative development across longer sequences, while up to 10 keyframes give you precise control over important character states, scene changes, and story beats. Prompts of up to 8,000 tokens provide even more room to describe complex creative ideas.
Any length from 3 to 30 seconds — pay only for the seconds you generate.
Bring more detail to Kling 4.0 AI video with support for 720p and 1080p resolution. Kling lists 4K output and 10-bit HDR for 1080p and 4K as coming soon, and they will be added on KLIFGEN once available. Support for 21:9 ultrawide, 16:9, 1:1, and 9:16 aspect ratios gives creators more flexibility for cinematic, social, and vertical video formats.
720p • 1080p
21:9 • 16:9 • 1:1 • 9:16
Kling 4.0 is billed per second of finished video — no subscription, no monthly fee. Pick your resolution and length and you know the price before you press generate.
| Resolution | Per second | 5 seconds | 10 seconds | 15 seconds | 30 seconds |
|---|---|---|---|---|---|
| 720p | 29 credits | 145 credits | 290 credits | 435 credits | 870 credits |
| 1080p | 43 credits | 215 credits | 430 credits | 645 credits | 1290 credits |
You pay for the length of the video you generate — nothing else. Credits never expire.
Base Package: 500 credits
Cost per Credit: $0.0100
Perfect for: Testing and small projects
Bonus: 50 extra credits
Cost per Credit: $0.0099
Perfect for: Regular content creation
Bonus: 2,500 extra credits
Cost per Credit: $0.0095
Perfect for: Professional projects
Bonus: 10,000 extra credits
Cost per Credit: $0.0091
Perfect for: High-volume production
Get bonus credits when you top up larger amounts. All pricing is transparent with no hidden fees.
Your credits work across every model on KLIFGEN — use whichever suits the shot.
29 credits per second at 720p and 43 credits per second at 1080p. A 5-second 720p clip is 145 credits, and a full 30-second 1080p video is 1290 credits.
Anywhere from 3 to 30 seconds, in one-second steps, generated in a single pass.
720p and 1080p, in 16:9, 9:16, 1:1, 21:9 ultrawide, or Auto.
No. KLIFGEN is pay-per-use. You buy credits, you spend them on generations, and that's it. Credits never expire.
Yes. Every model on KLIFGEN, including Kling 4.0, has a simple HTTP API. Full documentation is in your profile once you create an account.
Up to 30 seconds of lifelike video, from 87 credits a clip — no subscription, just credits.