Kling Video O3 4K Text-To-Video

Kling Video O3 4K Text-to-Video

Kling Video O3 4K is Kuaishou's flagship text-to-video model, delivering cinematic 4K video generation from natural language prompts. It combines physics-aware motion simulation, high temporal consistency, and optional synchronized audio generation to produce professional-grade video content.

• Need to animate an image? Try Kling Video O3 4K Image-to-Video
• Looking for a lower-cost option? Try Kling Video 2.1 Text-to-Video

Why Choose This?

• 4K cinematic output Produces richly detailed 4K video with professional-grade lighting, composition, and motion rendering.

• Physics-aware motion Understands real-world dynamics — fluid movement, fabric, hair, and object interactions behave naturally and believably.

• Synchronized audio generation Enable the sound option to generate matching ambient audio, sound effects, and atmosphere alongside your video.

• Multi-prompt support Chain multiple prompt segments to guide scene transitions and narrative flow within a single generation.

• Element list control Reference specific visual elements to maintain consistency in characters, objects, or stylistic details across the clip.

• Flexible duration and aspect ratios Duration from 3 to 15 seconds. Supports 16:9, 9:16, and 1:1 aspect ratios.

Parameters

How to Use

1. Write your prompt — describe the scene, characters, camera movement, lighting style, and mood in detail.
2. Select aspect ratio — choose 16:9 for cinematic/landscape, 9:16 for portrait/social, or 1:1 for square formats.
3. Set duration — choose 3 to 15 seconds based on your scene length.
4. Enable sound (optional) — check the sound option to generate matching audio alongside the video.
5. Select shot_type (optional) — use intelligent for automatic scope, or customize for manual control.
6. Add multi-prompt segments (optional) — click Add Item to guide scene transitions with additional prompts.
7. Add element list items (optional) — specify visual elements to maintain consistency throughout the clip.
8. Submit — generate, preview, and download your video.

Pricing

$0.42 per second of video, regardless of whether audio is on or off.

Best Use Cases

• Cinematic Storytelling — Render rich, narrative-driven scenes from detailed prompts with 4K output.
• Commercial & Brand Video — Produce premium marketing footage without a film crew.
• Social Media Content — Generate portrait or square clips with synchronized audio for maximum engagement.
• Concept Visualization — Bring creative directions, moods, and visual concepts to life quickly for client review.
• Music & Audio-Visual Projects — Use sound generation for immersive, atmosphere-driven clips.

Pro Tips

• The more specific your prompt, the better — include camera angle, lighting era, character behavior, and atmosphere.
• Use multi_prompt to create smooth narrative progressions across a single clip.
• Enable sound when generating scenes with ambient environments, crowds, or action for a more immersive result.
• Start with a short duration to validate your prompt before committing to a longer run.
• Use element_list to lock in key visual details that must remain consistent throughout the video.

Notes

• Only prompt is required; all other parameters are optional.
• Duration range: 3 to 15 seconds.
• Audio does not affect pricing — $0.42 per second regardless.
• Please follow Kuaishou's content usage policies when crafting prompts.

Related Models

• Kling Video O3 4K Image-to-Video — Animate a still image into a cinematic 4K video.
• Kling Video O3 4K Reference-to-Video — Generate video from reference images with identity consistency.
• Kling Elements — Create reusable visual elements for consistent character and object rendering.