Kling Omni Video O3 Standard Text-To-Video
kwaivgi/kling-video-o3/text-to-video
Kling Omni Video O3 is Kuaishou's advanced unified multi-modal video model with MVL (Multi-modal Visual Language) technology. Text-to-Video mode generates cinematic videos from text prompts with subject consistency, natural physics simulation, and precise semantic understanding. Supports audio generation. Ready-to-use REST API, best performance, no coldstarts, affordable pricing.
Examples
Parameters
| Name | Type | Default | Constraints | Description |
|---|---|---|---|---|
| prompt *Prompt | textarea | — | ≤ 5000 chars | The positive prompt for the generation. |
| resolutionGeneration Mode | select | 720P | 720P | 1080P | 4K | |
| aspect_ratioAspect Ratio | select | 16:9 | 16:9 | 9:16 | 1:1 | The aspect ratio of the generated video. |
| durationDuration | select | 5 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | … | The duration of the generated media in seconds (3-15). |
| soundSound | boolean | false | — | Whether to generate audio for the video. |
| multi_shotMulti Shot | boolean | — | — | Whether to generate multi-shot video When true: the prompt parameter is invalid. When false: the shot_type and multi_prompt parameters are invalid |
| shot_typeShot Type | select | — | customize | intelligence | Shot type for the generation. |
| multi_promptMulti Prompt | array<object> | — | — | List of multi-prompt elements for the generation. |
| ↳durationDuration | number | 5 | — | The duration of this shot in seconds. |
| ↳promptPrompt | text | — | — | The prompt for this shot. |
API
Call this model through one unified REST API. Get a key on the API Keys page.
cURL
# 1) Submit — returns { "task_uuid": "..." }
curl -X POST "https://www.namifusion.com/api/v1/marketplace/run/kwaivgi/kling-video-o3/text-to-video" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"input": {
"prompt": "A serene mountain landscape at sunrise, with golden light reflecting off the peaks and a gentle river flowing through the valley.",
"resolution": "720P",
"aspect_ratio": "16:9",
"duration": 8,
"sound": true,
"shot_type": "intelligence"
}
}'
# 2) Poll until status is "completed", then read the output URLs
curl "https://www.namifusion.com/api/v1/marketplace/run/tasks/TASK_UUID" \
-H "Authorization: Bearer YOUR_API_KEY"Python
import time, requests
API_KEY = "YOUR_API_KEY"
HEADERS = {"Authorization": f"Bearer {API_KEY}"}
# 1) Submit
resp = requests.post(
"https://www.namifusion.com/api/v1/marketplace/run/kwaivgi/kling-video-o3/text-to-video",
headers=HEADERS,
json={
"input": {
"prompt": "A serene mountain landscape at sunrise, with golden light reflecting off the peaks and a gentle river flowing through the valley.",
"resolution": "720P",
"aspect_ratio": "16:9",
"duration": 8,
"sound": True,
"shot_type": "intelligence"
}
},
)
resp.raise_for_status() # 401/402/429/5xx stop here instead of polling a bad task
task = resp.json()
# 2) Poll until a terminal state (completed / failed / cancelled).
# This model is allowed up to 300s server-side.
deadline = time.time() + 360
while task.get("status") not in ("completed", "failed", "cancelled"):
if time.time() > deadline:
raise TimeoutError(f"still {task.get('status')} — keep the task_uuid and poll later")
time.sleep(3)
poll = requests.get(f"https://www.namifusion.com/api/v1/marketplace/run/tasks/{task['task_uuid']}", headers=HEADERS)
poll.raise_for_status()
task = poll.json()
print(task["status"], task.get("output"))JavaScript
const API_KEY = "YOUR_API_KEY";
const HEADERS = { Authorization: `Bearer ${API_KEY}` };
// 1) Submit
const resp = await fetch("https://www.namifusion.com/api/v1/marketplace/run/kwaivgi/kling-video-o3/text-to-video", {
method: "POST",
headers: { ...HEADERS, "Content-Type": "application/json" },
body: JSON.stringify({
"input": {
"prompt": "A serene mountain landscape at sunrise, with golden light reflecting off the peaks and a gentle river flowing through the valley.",
"resolution": "720P",
"aspect_ratio": "16:9",
"duration": 8,
"sound": true,
"shot_type": "intelligence"
}
}),
});
if (!resp.ok) throw new Error(`submit failed: ${resp.status} ${await resp.text()}`);
let task = await resp.json();
// 2) Poll until a terminal state (completed / failed / cancelled).
// This model is allowed up to 300s server-side.
const deadline = Date.now() + 360 * 1000;
while (!["completed", "failed", "cancelled"].includes(task.status)) {
if (Date.now() > deadline) throw new Error(`still ${task.status} — keep the task_uuid and poll later`);
await new Promise((r) => setTimeout(r, 3000));
const poll = await fetch(`https://www.namifusion.com/api/v1/marketplace/run/tasks/${task.task_uuid}`, { headers: HEADERS });
if (!poll.ok) throw new Error(`poll failed: ${poll.status}`);
task = await poll.json();
}
console.log(task.status, task.output);Documentation
Kling Omni Video O3 Text-To-Video
Advanced multi-modal video generation with text-to-video and audio support
Kling Omni Video O3 is Kuaishou's advanced unified multi-modal video model powered by MVL (Multi-modal Visual Language) technology. It generates cinematic videos from text prompts with subject consistency, natural physics simulation, and precise semantic understanding. Audio generation is supported, and the model is accessible via a ready-to-use REST API with top-tier performance, no cold starts, and affordable pricing.
🚀 Key Features
- Cinematic Video Generation: Create high-quality videos from text prompts, supporting complex scenes and dynamic effects.
- Natural Physics Simulation: Realistic physical effects and motion consistency in generated visuals.
- Multi-Aspect Ratio Support: Generate videos in 16:9, 9:16, and 1:1 aspect ratios to suit various platforms.
- Optional Audio Generation: Produce synchronized sound effects alongside video for a complete multimedia experience.
- Multi-Prompt Support: Chain multiple prompts to enable smooth scene transitions and narrative flow.
- Prompt Enhancer: Built-in tool to automatically refine video descriptions for better results.
🛠️ Technical Specifications
| Parameter | Type | Default Value | Range | Description |
|---|---|---|---|---|
| Prompt | String | Required | - | Text description of the video scene, motion, and style. |
| Aspect Ratio | String | 16:9 | 16:9, 9:16, 1:1 | Aspect ratio of the generated video. |
| Duration | Integer | 5 seconds | 3–15 seconds | Length of the generated video in seconds. |
| Sound | Boolean | False | True, False | Whether to generate synchronized audio. |
| Shot Type | String | Customize | Customize, Intelligent | Shot type for video generation (manual or automatic). |
| Multi-Prompt | Array | - | - | Additional prompt segments for scene transitions. |
💰 Pricing
| Type | 720P | 1080P | 4K |
|---|---|---|---|
| Without Sound | 0.0840 | 0.1120 | 0.4200 |
| With Sound | 0.1120 | 0.1400 | 0.4200 |
Billing Rules:
- Base Rate: Depends on resolution.
- Sound Surcharge: Approximately +33.3% premium for audio.
- Duration: 3–15 seconds.
💡 Best Use Cases
- Professional Content Creation: Generate high-quality videos at a more accessible price point.
- Social Media: Create engaging content for TikTok, Reels, and Stories.
- Marketing Videos: Produce promotional content with optional synchronized sound.
- Concept Visualization: Quickly bring creative ideas to life from text descriptions.
- Extended Scenes: Support up to 15 seconds for longer storytelling and scene development.
🔗 Related Models
- Kling Video O3 Image-To-Video: Animate images at O3 pricing.
- Kling V3.0 Text-To-Video: V3.0 at lower cost.
Please adhere to Kuaishou's content usage policies when crafting prompts.
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