Kwaivgi Kling V3.0 4k Text To Video

Kwaivgi Kling V3.0 4k Text To Video

Playground

Kling V3.0 4K delivers top-tier 4K text-to-video generation with smooth motion, cinematic visuals, accurate prompt adherence, and optional audio. Supports flexible aspect ratios, multi-prompt, and element references. Ready-to-use REST inference API, best performance, no cold starts, affordable pricing.

Features

Kling V3.0 4K Text-to-Video

Kling V3.0 4K is Kuaishou’s premium text-to-video model, delivering 4K cinematic video generation from natural language prompts. Supports flexible duration from 3 to 15 seconds, multiple aspect ratios, optional synchronized sound, and multi-prompt scene transitions.

Why Choose This?

• 4K quality The highest visual fidelity and motion realism in the Kling V3.0 family.

• Flexible duration Generate videos from 3 to 15 seconds.

• Aspect ratio control Multiple options including 16:9, 9:16, 1:1.

• 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.

Parameters

How to Use

1. Write your prompt — describe the scene, motion, camera movement, and mood in detail.
2. Add negative prompt (optional) — specify elements you want to exclude.
3. Set duration — choose any length from 3 to 15 seconds.
4. Choose aspect ratio — select the format that fits your platform.
5. Adjust cfg_scale (optional) — control how closely the output follows your prompt.
6. Enable sound (optional) — generate synchronized audio alongside the video.
7. 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

• Premium Production — Cinematic scenes requiring the highest visual quality in 4K.
• 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.

Pro Tips

• Use detailed, cinematic prompts — include lighting, camera angles, and motion descriptions.
• Use negative_prompt to avoid common issues like blurry faces or unwanted elements.
• Enable sound for environmental audio like rain, city ambience, or action effects.
• Match aspect ratio to your target platform: 16:9 for YouTube, 9:16 for TikTok, 1:1 for feeds.

Notes

• Prompt is the only required field; all other parameters are optional.
• Duration range: 3 to 15 seconds.
• Audio does not affect pricing — $0.42 per second regardless.
• Using element_list: First use Kling Elements to generate your element and note its name and ID. Then write the element name in your prompt and enter the element ID in the element_list field.

Related Models

• Kling V3.0 4K Image-to-Video — Animate still images with 4K quality.
• Kling Video O3 4K Text-to-Video — Latest O3 generation with 4K quality.
• Kling Elements — Create reusable visual elements for consistent rendering.

# Submit the task
curl --location --request POST "https://api.wavespeed.ai/api/v3/kwaivgi/kling-v3.0-4k/text-to-video" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}" \
--data-raw '{
    "duration": 5,
    "aspect_ratio": "16:9",
    "cfg_scale": 0.5,
    "shot_type": "customize"
}'

# Get the result
curl --location --request GET "https://api.wavespeed.ai/api/v3/predictions/${requestId}/result" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}"