Kling 4.0 - Kuaishou's New Generation AI Video Generation Model

What is Kling 4.0

Kling 4.0 is the new generation AI video generationmodel launched by Kuaishou Kling, and the lightweight version Kling 4.0 Flash is now open for early access. Kling 4.0 has been comprehensively upgraded in visual realism, creative controllability, and narrative completeness. It supports native video generation of up to 30 seconds in a single pass, precise control with multiple keyframes, multimodal reference input, professional-grade 4K HDR output, and high-quality lip sync. It also features multilingual and dialect capabilities, creative replication, and ultra-long continuation, providing creators with a one-stop all-around creation experience from inspiration to finished video.

Main Features of Kling 4.0

• Major Camera Movement Upgrade: Effortlessly handles complex camera movements such as high-speed motion, tracking shots, and orbiting, with stability reaching professional standards.
• High-Quality Audio: Supports dual-channel stereo, delivering stronger sound depth and a sense of realism close to synchronized on-set sound.
• Lip Sync: The coordination among dialogue, voice, and performance is more natural, making character performances feel more "alive."
• Multimodal All-Around Reference: In a single pass, combine up to 10 images, 5 videos, and 7 subjects, for a total of 15 reference items.
• Precise Video Editing: Use text, images, and subjects to add, modify, or delete the subject and background of the original video, and adjust style, weather, color, and more.
• Creative Replication: Intelligently analyzes the camera language and narrative structure of a reference video to generate a brand-new commercial video.
• 30-Second Native Direct Output: Generates up to 30 seconds in a single pass, supporting long shots and continuous narrative.
• Multi-Keyframe Control: Up to 10 keyframe inputs, precisely controlling character states, scenes, and plot nodes.
• Upgraded Prompt Understanding: Supports 8000 tokens of input, automatically expands and polishes, and introduces "director thinking."
• Multiple Languages and Dialects: Supports multiple languages including Chinese, English, Japanese, Korean, Spanish, Portuguese, German, French, and Hindi, as well as multiple local dialect accents such as Beijing, Northeastern, Sichuan, and Cantonese.
• Diverse Styles and Languages: Supports styles such as cinematic, animation, and pixel art, as well as multiple languages and dialect accents, and can generate text, Emoji, and Logos.

Technical Principles of Kling 4.0

As of now, the technical principles of Kling 4.0 have not yet been officially released.

How to Use Kling 4.0

• Enter the Platform: Visit theKlingofficial website or open theKling App, and log in with your Kuaishou account.
• Obtain Experience Eligibility: Currently, Kling 4.0 Flash is only open for early access to Black Gold Annual Card members. After the official version launches in October, it will be open to all users.
• Select the Model Version: On the creation page, select Kling 4.0 Flash or wait for the Kling 4.0 official version entry to open.
• Write a Prompt: In the input box, describe your idea in Chinese or English, supporting up to 8000 tokens. A one-sentence inspiration or a complete script both work, and the model will automatically expand and polish it.
• Add Reference Materials: In the integrated input box, freely combine images, videos, and subjects as references.
• Set Keyframes (Optional): Upload up to 10 keyframe images, set narrative nodes, and precisely control character states and plot direction.
• Configure generation parameters: Select video duration, aspect ratio, style, and output specifications.
• Preview and edit: Preview results directly on the timeline.
• Export final video: After confirming the result, export the video for commercial scenarios such as social media publishing and advertising.

Kling 4.0's core advantages

• Leading narrative completeness: Generate up to 30 seconds of native video in a single pass and support 2-minute extensions, with industry-leading long-shot and continuous narrative capabilities.
• Professional-grade image quality output: Supports 4K 10-bit HDR and 21:9 ultra-wide aspect ratio, with no blown-out highlights in backlight and no blur in night scenes, comparable to cinematic specifications.
• Extremely strong controllability: Up to 10 multi-keyframes + 15 multimodal reference inputs, allowing precise customization of characters, actions, camera shots, and sound.
• All-around reference system: A single task can combine up to 10 images, 5 videos, and 7 subjects, greatly reducing the debugging cost of repeated generation attempts.
• Precise video editing: Supports adding, modifying, and deleting the subject and background of the original video, and style, weather, color, and material can all be adjusted.
• Creative replication capability: Intelligently analyzes the narrative rhythm and shot arrangement of reference videos, and generates brand-new commercial videos in one click, suitable for advertising and social media scenarios.
• Integrated audio-visual experience: High-quality dual-channel stereo + high-precision lip sync, with natural audio-visual coordination and a strong sense of characters being "alive".

Comparison of Kling 4.0 with similar competitors

Application scenarios of Kling 4.0

• Social media short videos: Through 30-second native direct output and creative replication features, quickly imitate the narrative rhythm and camera language of viral videos, and produce Douyin, Xiaohongshu, and TikTok content in batches at low cost.
• E-commerce product advertisements: Use 15 multimodal references to accurately restore product appearance and materials, and with 4K HDR image quality and cinematic camera movement, generate high-quality product showcase short films, replacing traditional studio shoots.
• Fashion and beauty product recommendations: Support virtual try-on displays for outfits and makeup, paired with a "human-like" spoken presentation, allowing virtual models to explain and sell products like real influencers.
• Film and animation previsualization: With multi-keyframe one-take control and multiple visual styles such as cinematic, animation, and fantasy, directors and animation teams can produce storyboard previsualization and concept short films at low cost.