Kling Video O3 Pro Text-to-Video API by Kuaishou
kwaivgi/kling-video-o3-pro/text-to-video
Kling Omni Video O3 is Kuaishou's advanced unified multi-modal video model with MVL (Multi-modal Visual Language) technology. Professional quality with enhanced motion and detail.
Kling Video O3 Pro Text-to-Video, Kuaishou tarafından geliştirilmiştir. Atlas Cloud (Atlas Cloud AI LLC tarafından işletilmektedir) modele erişim sağlar; modelin sahibi değildir. Tüm ticari markalar ilgili sahiplerine aittir.
Kling Video O3 Pro Text-to-Video
Kling Video O3 Pro is Kuaishou's Kling 3.0 Omni model in Professional mode (1080P output), used here for text-to-video. Describe a scene and get cinematic video with native audio, 3–15 second duration, multi-shot storyboards and optional subject (element) references for consistent characters.
Why Choose This?
- Kling 3.0 Omni Kling's unified multimodal video model, which understands text, images, subjects and video together.
- Element references Keep up to 3 characters or objects consistent with Kling element library subjects.
- Multi-shot storyboards Up to 6 shots in one video, each with its own prompt and duration, or let the model split the shots automatically.
- Flexible duration Any length from 3 to 15 seconds.
- Native audio Sound is generated together with the video and is on by default.
Parameters
| Parameter | Required | Description |
|---|---|---|
| prompt | Conditional | Text description of the scene, motion and camera. Max 2,500 characters. Reference subjects as <<<element_1>>>, <<<element_2>>>, … Required unless multi_shot is on with shot_type = customize, in which case it is ignored. |
| multi_shot | No | Generate a multi-shot video (default: false). |
| shot_type | Conditional | Required when multi_shot is true. customize: you define every shot in multi_prompt. intelligence: the model splits prompt into shots. |
| multi_prompt | Conditional | Required when shot_type is customize. 1–6 shots, each {index, prompt, duration}. Each shot prompt can be up to 512 characters and can mention <<<element_N>>>. Each shot lasts at least 1 second, and the shot durations must add up to duration. |
| elements | No | Up to 3 subject references (mapped to Kling element_list). Each item either points to an existing subject by element_id, or creates one inline with element_name, reference_type (image_refer / video_refer) and frontal_image + refer_images (up to 3) or refer_videos (1). |
| aspect_ratio | No | 16:9 (default), 9:16 or 1:1. |
| duration | No | Video length in seconds: any integer from 3 to 15 (default: 5). |
| sound | No | Generate native audio with the video (default: true). |
Output resolution is fixed at 1080P for Pro mode. This model has no negative_prompt. Write exclusions directly in the prompt.
How to Use
- Write your prompt — describe the scene, motion, camera movement and mood.
- Add elements (optional) — attach up to 3 subjects and mention them in the prompt as
<<<element_N>>>. - Choose single-shot or multi-shot — for multi-shot, turn on
multi_shot, pickshot_type, and (forcustomize) define 1–6 shots inmulti_prompt. - Choose aspect ratio — 16:9, 9:16 or 1:1.
- Set duration — 3 to 15 seconds.
- Set sound — leave it on for native audio, or turn it off for a silent clip.
- Run — submit and download your video.
Best Use Cases
- Character-Driven Stories — Recurring characters that stay consistent across shots via elements.
- Storyboarding — Turn a shot list into one multi-shot clip.
- Social Media & Shorts — Vertical or square videos with native audio.
- Marketing & Ads — Product or mascot videos with consistent appearance.
- Cinematic Content — Film-quality 1080P scenes from text.
Pro Tips
- Use shorter durations (3–5 s) for testing, then go longer for final output.
- Number elements in array order: the first item is
<<<element_1>>>, the second is<<<element_2>>>, and so on. - Keep prompt syntax simple. Short, clear sentences work better than long nested descriptions.
- Draft with O3 Std to save cost, then render the final version with O3 Pro.
Notes
- Duration accepts any integer from 3 to 15 seconds.
- Prompt is limited to 2,500 characters, and each multi-shot shot prompt to 512 characters.
- Multi-shot supports up to 6 shots, and the shot durations must add up exactly to
duration. - Up to 3 elements per request.
Related Models
- Kling Video O3 Std Text-to-Video — Same model in Standard mode (720P) at lower cost.
- Kling Video O3 Pro Image-to-Video — Animate a start frame with Kling 3.0 Omni.
- Kling Video O3 Pro Reference-to-Video — Generate from reference images and an optional reference video.
- Kling Video O3 Pro Video Edit — Edit existing videos with natural-language instructions.
