Kling Video O3 Std Text to Video | Powerful Text-to-Video API

Kling Video O3 Standard Text-to-Video

Kling Video O3 Standard is Kuaishou's advanced text-to-video model in the O3 family, delivering high-quality cinematic video from text descriptions. With optional synchronized sound generation, multiple aspect ratios, and flexible duration, it offers a strong balance of quality and cost.

Why Choose This?

O3-level quality Advanced visual fidelity and motion realism beyond V3.0 models.
Sound generation Optional synchronized sound effects generated alongside the video.
Flexible duration Generate videos from 3 to 15 seconds to match your scene needs.
Multiple aspect ratios Support for 16:9, 9:16, and 1:1 to fit any platform.
Multi-prompt support Chain multiple prompt segments to guide scene transitions and narrative flow within a single generation.
Prompt Enhancer Built-in tool to automatically improve your video descriptions.

Parameters

Parameter	Required	Description
prompt	Yes	Text description of the video scene, motion, and style.
aspect_ratio	No	Output ratio: 16:9 (default), 9:16, 1:1.
duration	No	Video length in seconds. Range: 3–15. Default: 5.
sound	No	Generate synchronized sound alongside the video. Default: disabled.
shot_type	No	Editing mode: intelligent (default, auto-determines scope) or customize.
multi_prompt	No	Additional prompt segments to guide scene transitions and progressions.

How to Use

Write your prompt — describe the scene, characters, motion, camera style, and atmosphere in detail. Use the Prompt Enhancer for better results.
Select aspect ratio — 16:9 for landscape, 9:16 for portrait/social, 1:1 for square.
Set duration — choose between 3 and 15 seconds based on your scene length.
Enable sound (optional) — generate synchronized audio alongside the video.
Select shot_type (optional) — use intelligent for automatic scope, or customize for manual control.
Add multi-prompt segments (optional) — click Add Item to guide scene transitions with additional prompts.
Run — submit and download your video.

Pricing

Duration	Without Sound	With Sound
3s	$0.252	$0.336
5s	$0.420	$0.560
10s	$0.840	$1.120
15s	$1.260	$1.680

Billing Rules

Base rate: $0.42 per 5 seconds ($0.084 per second)
Sound surcharge: +33% when sound is enabled
Duration range: 3–15 seconds

Best Use Cases

Professional Content — High-quality videos at a more accessible price than O3 Pro.
Social Media — Create engaging videos for TikTok, Reels, and Stories.
Marketing Videos — Produce promotional content with optional synchronized sound.
Concept Visualization — Bring creative ideas to life quickly from text descriptions.
Extended Scenes — Up to 15 seconds for longer scene development and storytelling.

Pro Tips

Use the Prompt Enhancer to refine your descriptions automatically.
Match aspect ratio to your platform: 16:9 for YouTube, 9:16 for TikTok and Reels, 1:1 for Instagram.
Enable sound for a complete video experience with synchronized audio.
Be specific about camera movements, lighting, and atmosphere for best results.
Use shorter durations (3–5s) for testing, longer (10–15s) for final production.
Use multi_prompt to build smooth narrative progressions across a single clip.

Notes

Only prompt is required; all other parameters have defaults.
Sound generation increases cost by approximately 33%.
Please follow Kuaishou's content usage policies when crafting prompts.

Related Models

Kling Video O3 Pro Text-to-Video — Maximum quality text-to-video with O3 Pro tier.
Kling Video O3 Std Image-to-Video — Animate images at O3 Standard pricing.
Kling V3.0 Std Text-to-Video — V3.0 Standard at lower cost.

Kling Video O3 Std Text To Video API — Quick start

Grab a WaveSpeedAI API key, then call POST https://api.wavespeed.ai/api/v3/kwaivgi/kling-video-o3-std/text-to-video with your input as JSON. The endpoint returns a prediction id; poll the prediction endpoint until status flips to completed, then read the output URL from data.outputs[0]. Examples for Kling Video O3 Std Text To Video below.

HTTP example

# Submit the prediction
curl -X POST "https://api.wavespeed.ai/api/v3/kwaivgi/kling-video-o3-std/text-to-video" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $WAVESPEED_API_KEY" \
  -d '{
    "prompt": "A cinematic shot of a city at sunset, soft golden light",
    "aspect_ratio": "16:9",
    "duration": 5,
    "sound": false,
    "shot_type": "customize"
}'

# Response includes a prediction id. Poll for the result:
curl -X GET "https://api.wavespeed.ai/api/v3/predictions/{request_id}/result" \
  -H "Authorization: Bearer $WAVESPEED_API_KEY"

# When status is "completed", read the output from data.outputs[0].

Node.js example

// npm install wavespeed
const WaveSpeed = require('wavespeed');

const client = new WaveSpeed(); // reads WAVESPEED_API_KEY from env

const result = await client.run("kwaivgi/kling-video-o3-std/text-to-video", {
        "prompt": "A cinematic shot of a city at sunset, soft golden light",
        "aspect_ratio": "16:9",
        "duration": 5,
        "sound": false,
        "shot_type": "customize"
});

console.log(result.outputs[0]); // → URL of the generated output

Python example

# pip install wavespeed
import wavespeed

output = wavespeed.run(
    "kwaivgi/kling-video-o3-std/text-to-video",
    {
    "prompt": "A cinematic shot of a city at sunset, soft golden light",
    "aspect_ratio": "16:9",
    "duration": 5,
    "sound": false,
    "shot_type": "customize"
}
)

print(output["outputs"][0])  # → URL of the generated output

Kling Video O3 Std Text To Video API — Frequently asked questions

What is the Kling Video O3 Std Text To Video API?

Kling Video O3 Std Text To Video is a Kuaishou model for video generation, exposed as a REST API on WaveSpeedAI. Kling Omni Video O3 (Standard) 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. You can call it programmatically or try it from the playground above.

How do I call the Kling Video O3 Std Text To Video API?

POST your input parameters to the model's REST endpoint (shown in the API tab of this playground) with your WaveSpeedAI API key in the Authorization header. Submission returns a prediction ID; poll the prediction endpoint until status flips to "completed", then read the output URL from the result. The playground generates a ready-to-paste code sample in Python, JavaScript, or cURL for whatever inputs you've set. Full request/response shape is documented at https://wavespeed.ai/docs/docs-api/kwaivgi/kwaivgi-kling-video-o3-std-text-to-video.

How much does Kling Video O3 Std Text To Video cost per run?

Kling Video O3 Std Text To Video starts at $0.42 per run. That figure is the base price — the final charge scales with the parameters you set in the form (output size, length, count, references, or whatever knobs this model exposes), so a higher-quality or larger output costs more than a minimal one. The exact cost for your current input is shown live next to the Generate button before you submit, and the actual per-call charge is recorded on the prediction afterwards.

What inputs does Kling Video O3 Std Text To Video accept?

Key inputs: `prompt`, `aspect_ratio`, `duration`, `multi_prompt`, `shot_type`, `sound`. The full JSON schema (types, defaults, allowed values) is rendered above the Generate button and mirrored in the API reference at https://wavespeed.ai/docs/docs-api/kwaivgi/kwaivgi-kling-video-o3-std-text-to-video.

How do I get started with the Kling Video O3 Std Text To Video API?

Sign up for a free WaveSpeedAI account to claim starter credits, copy your API key from /accesskey, then call the endpoint shown in the API tab of the playground. The playground also auto-generates a code sample in Python, JavaScript, or cURL for the parameters you've set.

Can I use Kling Video O3 Std Text To Video outputs commercially?

Commercial usage rights depend on the model's license, set by its provider (Kuaishou). The license summary appears on the model card above; see WaveSpeedAI's Terms of Service for platform-level conditions.

ExamplesView all

Related Models

README

Kling Video O3 Standard Text-to-Video

Why Choose This?

Parameters

How to Use

Pricing

Billing Rules

Best Use Cases

Pro Tips

Notes

Related Models

Kling Video O3 Std Text To Video API — Quick start

Kling Video O3 Std Text To Video API — Frequently asked questions