Kling 4.0 turns text and images into 4K video with native audio. Kling 4.0 Flash is live here: no Ultra Yearly plan, no October wait.
Kuaishou announced Kling 4.0 on September 28, 2026, with the full model shipping in October. Here is what the announcement adds, and what already runs on kling4.co.
On Kling's own app, 4.0 Flash is reserved for Ultra Yearly members. On kling4.co, Kling 4.0 Flash starts on your 100 free signup credits, and Flash HD adds 1080p with audio.
The full Kling 4.0 doubles single generations to 30 seconds and lets you pin up to 10 keyframes across a clip.
References combine in one input box, with prompts up to 8,000 tokens that the model expands on its own.
Stereo sound and tighter lip-sync at launch; 10-bit HDR and a roughly 2-minute clip extension are listed as coming soon.
Browse proven prompts and the exact video they produce. Open one to read the full prompt — or send it straight to the generator.
A prompt for AI video demonstrating a seamless outfit change effect using a rotating fan blade to momentarily obscure the subject, allowing for an instant, smooth transformation between four different outfits.
A prompt for generating a video scene in the style of a 1980s live-action fantasy film, shot on Arri with Zeiss 35mm lenses, depicting a knight wading through a lake to fight a massive lake monster while villagers watch in the background under a gray, overcast, foggy sky. The scene cuts to a close-up on the knight's determined face.
A highly detailed, multi-scene prompt for AI video to generate a video sequence featuring a girl transforming from a dark, melancholic look to an ethereal, snow-white haired goddess, incorporating elements of traditional Chinese/Japanese attire and a white cat.
A detailed, multi-scene prompt for AI video to generate a dramatic ancient Chinese romance video sequence titled 'Spring Imprisonment,' specifying cinematic style, lighting, character details (using reference images), and a four-part script with dialogue and camera movements.
A detailed AI video video prompt for generating a seamless transformation short video, switching from a modern indoor scene to a retro 1920s gangster film world, emphasizing cinematic quality, dramatic contrast, and character presence. The prompt includes a detailed two-part script with camera movements, character descriptions, and scene settings.
A highly detailed, multi-shot prompt for AI video designed to generate a first-person perspective video of a dirt bike rider racing through a prehistoric canyon while being hunted by dinosaurs. The prompt specifies visual style, character details, stage setting, emotional arc, color logic, and a precise timeline with SFX for a cinematic, high-adrenaline sequence.
Kling 4.0 is a next-generation AI video model, building on the success of Kling 3.0 with improvements in resolution, motion fidelity, audio integration, and multi-modal creative control.
Transform text prompts into high-quality videos. Kling 4.0 interprets intent, tone, and descriptive detail for precise visual output.
Bring static images to life with smooth motion dynamics. Kling 4.0 supports single or dual-image input for precise control over animation direction.
Kling 4.0 pairs audio and visuals in one pass — synchronized dialogue, foley, and ambient sound generated together, with no post-processing needed.
Next-level visual fidelity with improved lighting, texture detail, and natural motion that pushes Kling 4.0 video quality past earlier generations.
Create a Kling 4.0 video in a simple prompt-to-output workflow designed for text-to-video and image-to-video generation.
Describe the scene, camera movement, characters, style, lighting, and audio direction you want Kling 4.0 to generate.
Start from text, upload a reference image, or combine visual inputs when you need stronger control over the Kling 4.0 result.
Select duration, aspect ratio, sound, quality mode, and motion settings for your Kling 4.0 generation.
Preview the output, download your watermark-free Kling 4.0 video, and reuse the prompt for new variations or higher-quality runs.
Kling 4.0 is built for creators, marketers, studios, and teams that need cinematic AI video without a full production pipeline.
Start with flexible credit packs or subscriptions. Credits are shown before generation, failed generations are not charged, and every Kling 4.0 mode is open on every plan — bigger plans just carry more credits.
Try Kling 4.0 video generation with a one-time credit pack for quick clips and image generation.
3,700 credits in one pack, enough for longer clips with audio, motion control, and image work.
7,400 credits for Pro-quality and 4K renders with native audio, in the priority queue.
Credits are deducted only when a generation succeeds, reducing risk while you test prompts.
Common questions about Kling 4.0 and the AI video models available on this platform.
Generate cinematic videos with Kling 4.0 and explore specialized Kling models for motion control, avatars, and video editing.
