Text to Video
Turn a written prompt into a video. Describe the subject, action, environment, camera, lighting, timing, and dialogue.
Online generation coming soon
Kling 4.0 AI Video Generator
Create more detailed, cinematic AI videos with greater control over motion, visual quality, and storytelling.
Start with text or images, guide the result with keyframes and references, and shape each scene around your creative direction.
4K
Video resolution
10-bit HDR
At 1080p and 4K
30s
Maximum video duration
kling-4.art is not affiliated with Kling AI.
Coming soon
Kling 4.0 AI Video Generator — Coming Soon
kling-4.art is preparing an online experience focused on the creation modes officially supported by Kling 4.0.
Image to Video
Start from an image and describe how the scene should move or develop while preserving its visual identity.
First and Last Frame
Define the opening and ending visual states to guide transitions, transformations, and camera progression.
Multi-Keyframe Video
Use up to 10 keyframes to define important moments across a longer sequence.
Omni Reference
Guide a generation with images, videos, voice references, and subjects. The combined reference-input limit is 15.
Status: Coming Soon. Direct Kling 4.0 generation is not currently available on kling-4.art.
Availability
Kling 4.0 Availability and Kling 4.0 Flash
Kling 4.0 is the primary model covered here. Kling 4.0 Flash is a separate version in the same generation.
Kling 4.0
Documented capabilities include text and image to video, first and last frame, up to 10 keyframes, Omni Reference, 3–30 seconds, 720p / 1080p / 4K, HDR, stereo audio, and multiple languages and aspect ratios.
Kling 4.0 Flash
A secondary model option supporting text to video, first-frame image to video, and Omni Reference. Generate 3–20 second videos at 720p in 8-bit SDR.
Official examples
Kling 4.0 Official Video Examples
Explore selected examples from Kling AI's official Kling 4.0 introduction. Choose a video to watch how different creation methods and reference inputs shape the result.
Overview / Kling 4.0
What Is Kling 4.0?
Kling 4.0 is Kling AI's video model for longer, more controllable, reference-driven creation. Start with a prompt or image, then direct how the scene develops.
01 / INPUT
Begin with your material
Create from text or images, or bring in reference images, video, and audio to establish the look and feel.
02 / DIRECT
Shape the progression
Use first and last frames, up to 10 keyframes, and Omni Reference to guide movement, continuity, and story beats.
03 / CREATE
Make more room for the story
Generate 3–30-second video at up to 4K, with 10-bit HDR available at 1080p and 4K.
Built for advertising, short films, character videos, product content, social media, music visuals, and concept development.
Capabilities
Key Features of Kling 4.0
Four capabilities that make a visible difference in quality, duration, control, and consistency.
Visual quality
4K + HDR
Sharper detail, richer color
Generate up to 4K video, with 10-bit HDR available at 1080p and 4K.
Longer scenes
30s
More time to tell the story
Create videos from 3 to 30 seconds, giving actions and story beats room to develop.
Creative control
10 keyframes
Guide each turning point
Set up to 10 visual checkpoints to direct movement, transitions, and scene progression.
Reference-driven creation
Omni Reference
Keep the vision consistent
Guide the result with reference images, videos, audio, and subjects together.
More creative capabilities
First and Last Frame
Set the beginning and end of a scene to guide transitions and transformations.
Stereo Audio
Add spatial depth to audio-visual scenes with stereo output.
Multilingual Speech and Text
Create speech in multiple languages and accents, plus multilingual text and emoji in scenes.
Long Prompt Support
Describe complex scenes with text inputs of up to 8,000 tokens.
Multiple Aspect Ratios
Choose 21:9, 16:9, 1:1, 9:16, or Smart aspect ratio.
Technical details
Kling 4.0 Specifications
| Capability | Kling 4.0 |
|---|---|
| Text to Video | Supported |
| Image to Video | Supported |
| First and Last Frame | Supported |
| Multiple Keyframes | Up to 10 |
| Omni Reference | Supported |
| Video Duration | 3–30 seconds |
| Resolution | 720p / 1080p / 4K |
| HDR | 10-bit HDR at 1080p and 4K |
| Aspect Ratios | 21:9 / 16:9 / 1:1 / 9:16 / Smart |
| Audio | Stereo |
| Reference Images | Up to 10 |
| Reference Videos | Up to 5 |
| Reference Video Duration | Up to 30 seconds total |
| Reference Audio | Voice reference supported |
| Reference Subjects | Up to 7 total, including up to 3 video subjects |
| Combined Reference Inputs | Up to 15 images, videos, voice references, and subjects combined |
| Text Input | Up to 8,000 tokens |
| Multilingual Speech | Supported |
| Text Generation | Multilingual + emoji |
Model comparison
Kling 4.0 vs Kling 4.0 Flash
Flash supports text to video, first-frame image to video, and Omni Reference. Its listed output is 3–20 seconds at 720p in 8-bit SDR. Features absent from its published specification are marked as not supported below.
| Capability | Kling 4.0 | Kling 4.0 Flash |
|---|---|---|
| Text to video | Supported | Supported |
| Image to video | First and last frame | First frame |
| Omni Reference | Supported | Supported |
| Generation duration | 3–30 seconds | 3–20 seconds |
| Resolution | Up to 4K | 720p |
| Dynamic range | 10-bit HDR at 1080p / 4K | 8-bit SDR |
| Multiple keyframes | Up to 10 | Not supported |
| Stereo audio | Supported | Not supported |
| Up to 10 reference images | Supported | Not supported |
| Up to 5 reference videos | Supported | Not supported |
Workflows
How to Use Kling 4.0
Choose the workflow that matches your starting material and the control you need.
Start with a prompt
Kling 4.0 Text to Video
Start with a written prompt describing the subject, action, environment, camera, lighting, timing, dialogue, and scene changes.
Example prompt
A woman in a silver coat walks through a rain-soaked futuristic city at night. Neon signs reflect across the pavement as the camera tracks beside her. Cinematic lighting, natural movement, 16:9.
Start with an image
Kling 4.0 Image to Video
Start from an image. Describe subject, camera, and environmental motion, timing, and what should remain visually consistent.
Example prompt
The woman turns toward the window while curtains move in a light breeze. The camera moves closer. Keep her face, clothing, hairstyle, and room design consistent with the source image.
Kling 4.0 First and Last Frame
Use a starting and ending image to define the visual transition. This works for transformations, object movement, camera transitions, and before-and-after scenes.
Kling 4.0 Multi-Keyframe Video
Use up to 10 keyframes to define several important moments, camera positions, actions, transformations, and story beats.
Kling 4.0 Omni Reference
Use up to 10 images, 5 videos, 30 seconds of combined reference video, and audio reference to provide additional context.
Generation comparison
Kling 4.0 vs Kling 3.0
Kling 3.0 already supports core video creation, native audio, smart storyboarding, and subject references. The clearest documented difference here is generation duration: up to 15 seconds for Video 3.0 versus up to 30 seconds for Kling 4.0.
| Capability | Kling Video 3.0 | Kling 4.0 |
|---|---|---|
| Text to video | Supported | Supported |
| Image to video | Supported | Supported |
| First and last frame | Supported | Supported |
| Native audio | Supported | Stereo audio |
| Generation duration | 3–15 seconds | 3–30 seconds |
| Generation resolution | 720p / 1080p | 720p / 1080p / 4K |
| 10-bit HDR | Not supported | 1080p / 4K |
| Subject reference | Start frame + subject reference | Omni Reference |
| Multiple keyframes | Not supported | Up to 10 |
Creative applications
Kling 4.0 AI Video Use Cases
Product Advertising
Show products through close-ups, reveals, dynamic transitions, and memorable final hero shots.
Short Films
Build narrative scenes with character interactions, evolving action, and controlled camera movement.
Social Media Videos
Create vertical, mobile-first clips for product stories, creator content, and short-form campaigns.
Character Videos
Use visual references to keep characters recognizable across actions, camera angles, and scene changes.
Music Videos
Develop performance scenes and visual sequences with expressive camera work and stereo audio.
Game and Concept Visualization
Bring characters, environments, and cinematic game-world concepts into motion.
Questions and answers
Kling 4.0 FAQ
What is Kling 4.0?
Kling 4.0 is an AI video model from Kling AI. It supports text-to-video, image-to-video, keyframes, Omni Reference, up to 30-second generation, 4K output, and 10-bit HDR.
How long can Kling 4.0 videos be?
Kling 4.0 supports video generation from 3 to 30 seconds.
Does Kling 4.0 support 4K?
Yes. Official specifications list 720p, 1080p, and 4K output.
Does Kling 4.0 support HDR?
Yes. Kling 4.0 supports 10-bit HDR at 1080p and 4K.
How many keyframes does Kling 4.0 support?
Kling 4.0 supports up to 10 keyframe inputs.
How many reference images can Kling 4.0 use?
Up to 10 reference images.
How many reference videos can Kling 4.0 use?
Up to 5 reference videos, with a combined duration of up to 30 seconds.
Does Kling 4.0 support reference audio?
Yes. Official specifications list audio reference support.
Does Kling 4.0 support stereo audio?
Yes. Kling 4.0 supports stereo audio.
Which aspect ratios does Kling 4.0 support?
21:9, 16:9, 1:1, 9:16, and Smart aspect ratio.
How long can a Kling 4.0 prompt be?
Official specifications list a maximum of 8,000 tokens.
Can I generate Kling 4.0 videos on kling-4.art?
Not yet. Online generation is coming soon. The site currently focuses on specifications, workflows, examples, and comparisons.
Kling 4.0 AI Video Generator Is Coming Soon
kling-4.art is preparing text-to-video, image-to-video, first-and-last-frame, multi-keyframe, and Omni Reference workflows. Until then, explore the specifications and guides.