Motion you can feel. Sound that belongs.
Kling 4.0 focuses on stable action and camera movement, expressive performances and synchronized sound. Two-channel stereo and improved lip-sync bring dialogue and singing scenes to life.
Kling 4.0More life in every frame.
From a product reveal to a continuous story, explore a new generation of AI video with richer motion, sound and creative control.
- Up to 30 seconds per generation
- 30s
- Up to 10 keyframe images
- 10
- Up to 15 combined references
- 15
- Up to 4K resolution
- 4K
A closer look at Kling 4.0
Bring your references into the story.
Combine images, videos and subjects to guide identity, action and composition. The model also supports editing subjects, backgrounds and visual styles in existing footage, helping develop new variations from a shared creative idea.
Give every moment a direction.
Use up to 10 keyframe images to shape important moments across a 3–30-second video. Guide a character’s entrance, a scene change or a product reveal while giving the story room to unfold.
Ideas worth exploring
Product campaigns
Explore product reveals and new settings while using reference assets to guide the product’s appearance.
Social content
Develop variations around a reference video’s pacing and camera language for different creative concepts.
Character stories
Explore longer scenes with consistent subjects, controlled key moments and more natural performances.
Multilingual content
Explore dialogue, accents and readable on-screen text for audiences across languages.
Two approaches to creation
Kling 4.0
The full model brings together text-to-video, image-to-video, multimodal references, video editing and flexible keyframes.
3–30 seconds · 720p / 1080p / 4K
Kling 4.0 Flash
Flash is designed for frequent creative exploration, with faster generation and a focus on value for trying different ideas.
3–20 seconds · 720p · 8-bit SDR
Kling 4.0 questions, answered
What is Kling 4.0?
Kling 4.0 is Kling AI’s next-generation video model, focused on audiovisual quality, multimodal references and controlled storytelling.
What can I create with Kling 4.0?
Explore product campaigns, social clips, character stories and multilingual content. Use references to guide products and characters, keyframes to shape scene changes and synchronized sound to enrich the story.
What inputs and references does the full model support?
The full model supports text-to-video, image-to-video and up to 15 combined reference items: up to 10 images, 5 videos with a combined duration of 30 seconds, and 7 subjects, including at most 3 video-based subjects. Voice references are also supported; the combined limit still applies.
How long and detailed can the videos be?
The full model supports 3–30-second videos at 720p, 1080p or 4K, with up to 10 keyframe images to guide important moments.
Does Kling 4.0 support audio?
It supports two-channel stereo, improved lip-sync and multilingual dialogue, bringing motion, speech and singing together more naturally.
How is Kling 4.0 Flash different?
Flash targets faster, frequent creation with 3–20-second videos at 720p in 8-bit SDR. The full model supports 3–30 seconds and up to 4K for content that needs more time and visual detail.
Your next story starts with an idea.
Up to 30 seconds in 4K, with multimodal references, keyframe control and stereo audio to bring every idea to life.