Kling V3.0 Pro Text to Video | Powerful Text-to-Video API

Kling V3.0 Pro Text-to-Video

Kling V3.0 Pro is Kuaishou's premium text-to-video model, delivering the highest visual quality and motion realism in the V3.0 family. Describe any scene — the model generates cinematic video with superior detail, flexible duration from 3 to 15 seconds, multiple aspect ratios, and optional synchronized sound generation.

Why Choose This?

V3.0 Pro quality The highest visual fidelity and motion realism in the Kling V3.0 family.
Flexible duration Generate videos from 3 to 15 seconds — any length you need.
Aspect ratio control Multiple options including 16:9, 9:16, 1:1, and more to fit any platform.
Sound generation Optional synchronized sound effects generated alongside the video.
Negative prompt support Specify what you don't want in the video for more precise control.
Multi-prompt and element list support Chain prompt segments for scene transitions and lock in specific visual elements for consistency.
Prompt Enhancer Built-in tool to automatically improve your descriptions for better results.

Parameters

Parameter	Required	Description
prompt	Yes	Text description of the desired scene, motion, camera style, and atmosphere.
negative_prompt	No	Elements to exclude from the video.
duration	No	Video length in seconds. Range: 3–15. Default: 5.
aspect_ratio	No	Video aspect ratio. Default: 16:9.
cfg_scale	No	Prompt guidance strength. Default: 0.5.
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 prompts for complex scene compositions.
element_list	No	List of visual elements to maintain consistency throughout the clip.

How to Use

Write your prompt — describe the scene, motion, camera movement, and mood in detail. Use the Prompt Enhancer for better results.
Add negative prompt (optional) — specify elements you want to exclude from the output.
Set duration — choose any length from 3 to 15 seconds.
Choose aspect ratio — select the format that fits your platform.
Adjust cfg_scale (optional) — control how closely the output follows your prompt.
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.
Add element list items (optional) — see Notes below for how to use elements effectively.
Run — submit and download your video.

Pricing

Duration	Without Sound	With Sound
3s	$0.336	$0.504
5s	$0.560	$0.840
10s	$1.120	$1.680
15s	$1.680	$2.520

Billing Rules

Base rate: $0.56 per 5 seconds ($0.112 per second)
Sound surcharge: ×1.5 when sound is enabled
Duration range: 3–15 seconds

Best Use Cases

Premium Production — Cinematic scenes requiring the highest visual quality.
Marketing & Ads — High-end promotional videos with professional polish.
Film & Storytelling — Film-quality scenes with superior motion and detail.
Brand Content — Premium video content for brands demanding top-tier visuals.
Long-Form Animation — Up to 15 seconds for extended scene development.

Pro Tips

Use detailed, cinematic prompts — include lighting, camera angles, and motion descriptions.
Try the Prompt Enhancer to automatically refine your descriptions for richer output.
Use negative_prompt to avoid common issues like blurry faces or unwanted elements.
Enable sound for environmental audio like rain, city ambience, crowds, or music scenes.
Match aspect ratio to your target platform: 16:9 for YouTube, 9:16 for TikTok and Reels, 1:1 for feeds.
Use element_list to lock in key visual details that must remain consistent throughout the video.

Notes

Prompt is the only required field; all other parameters are optional.
Duration range: minimum 3 seconds, maximum 15 seconds.
Sound generation increases cost by 50%.
Using element_list: First use Kling Elements to generate your element and note its name and ID. Then simply write the element name naturally in your prompt, and enter the corresponding element ID in the element_list field. No special characters or syntax required.

Related Models

Kling V3.0 Std Text-to-Video — Standard tier at budget-friendly pricing.
Kling V3.0 Pro Image-to-Video — Animate still images with Pro quality.
Kling Video O3 Std Text-to-Video — O3 generation at Standard pricing.
Kling Video O3 Pro Text-to-Video — Latest O3 generation with premium quality.

Kling v3.0 Pro Text To Video API — Quick start

Grab a WaveSpeedAI API key, then call POST https://api.wavespeed.ai/api/v3/kwaivgi/kling-v3.0-pro/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 v3.0 Pro Text To Video below.

HTTP example

# Submit the prediction
curl -X POST "https://api.wavespeed.ai/api/v3/kwaivgi/kling-v3.0-pro/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",
    "negative_prompt": "blurry, low quality, distorted",
    "duration": 5,
    "aspect_ratio": "16:9",
    "cfg_scale": 0.5,
    "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-v3.0-pro/text-to-video", {
        "prompt": "A cinematic shot of a city at sunset, soft golden light",
        "negative_prompt": "blurry, low quality, distorted",
        "duration": 5,
        "aspect_ratio": "16:9",
        "cfg_scale": 0.5,
        "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-v3.0-pro/text-to-video",
    {
    "prompt": "A cinematic shot of a city at sunset, soft golden light",
    "negative_prompt": "blurry, low quality, distorted",
    "duration": 5,
    "aspect_ratio": "16:9",
    "cfg_scale": 0.5,
    "sound": false,
    "shot_type": "customize"
}
)

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

Kling v3.0 Pro Text To Video API — Frequently asked questions

What is the Kling v3.0 Pro Text To Video API?

Kling v3.0 Pro Text To Video is a Kuaishou model for video generation, exposed as a REST API on WaveSpeedAI. Kling 3.0 Pro delivers top-tier text-to-video generation with smooth motion, cinematic visuals, accurate prompt adherence, and native audio for ready-to-share clips. Ready-to-use REST inference API, best performance, no cold starts, affordable pricing. You can call it programmatically or try it from the playground above.

How do I call the Kling v3.0 Pro 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-v3.0-pro-text-to-video.

How much does Kling v3.0 Pro Text To Video cost per run?

Kling v3.0 Pro Text To Video starts at $0.56 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 v3.0 Pro Text To Video accept?

Key inputs: `prompt`, `aspect_ratio`, `duration`, `negative_prompt`, `cfg_scale`, `element_list`. 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-v3.0-pro-text-to-video.

How long does Kling v3.0 Pro Text To Video take to generate?

Average end-to-end generation time on WaveSpeedAI is around 2370 seconds per request — measured across recent runs. Queue time scales with global demand; live status is visible in the prediction record.

Can I use Kling v3.0 Pro 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.

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