Browse ModelsKwaivgiKwaivgi Kling Video O3 Std Text To Video

Kwaivgi Kling Video O3 Std Text To Video

Kwaivgi Kling Video O3 Std Text To Video

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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.

Features

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

ParameterRequiredDescription
promptYesText description of the video scene, motion, and style.
aspect_ratioNoOutput ratio: 16:9 (default), 9:16, 1:1.
durationNoVideo length in seconds. Range: 3–15. Default: 5.
soundNoGenerate synchronized sound alongside the video. Default: disabled.
shot_typeNoEditing mode: intelligent (default, auto-determines scope) or customize.
multi_promptNoAdditional prompt segments to guide scene transitions and progressions.

How to Use

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

Pricing

DurationWithout SoundWith 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.

Authentication

For authentication details, please refer to the Authentication Guide.

API Endpoints

Submit Task & Query Result


# Submit the task
curl --location --request POST "https://api.wavespeed.ai/api/v3/kwaivgi/kling-video-o3-std/text-to-video" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}" \
--data-raw '{
    "aspect_ratio": "16:9",
    "duration": 5,
    "sound": false,
    "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}"

Parameters

Task Submission Parameters

Request Parameters

ParameterTypeRequiredDefaultRangeDescription
promptstringYes-The positive prompt for the generation.
aspect_ratiostringNo16:916:9, 9:16, 1:1The aspect ratio of the generated video.
durationintegerNo53, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15The duration of the generated media in seconds (3-15).
soundbooleanNofalse-Whether to generate audio for the video.
shot_typestringNocustomizecustomize, intelligentShot type for the generation.
multi_promptarrayNo--List of multi-prompt elements for the generation.

Response Parameters

ParameterTypeDescription
codeintegerHTTP status code (e.g., 200 for success)
messagestringStatus message (e.g., “success”)
data.idstringUnique identifier for the prediction, Task Id
data.modelstringModel ID used for the prediction
data.outputsarrayArray of URLs to the generated content (empty when status is not completed)
data.urlsobjectObject containing related API endpoints
data.urls.getstringURL to retrieve the prediction result
data.has_nsfw_contentsarrayArray of boolean values indicating NSFW detection for each output
data.statusstringStatus of the task: created, processing, completed, or failed
data.created_atstringISO timestamp of when the request was created (e.g., “2023-04-01T12:34:56.789Z”)
data.errorstringError message (empty if no error occurred)
data.timingsobjectObject containing timing details
data.timings.inferenceintegerInference time in milliseconds

Result Request Parameters

ParameterTypeRequiredDefaultDescription
idstringYes-Task ID

Result Response Parameters

ParameterTypeDescription
codeintegerHTTP status code (e.g., 200 for success)
messagestringStatus message (e.g., “success”)
dataobjectThe prediction data object containing all details
data.idstringUnique identifier for the prediction, the ID of the prediction to get
data.modelstringModel ID used for the prediction
data.outputsstringArray of URLs to the generated content (empty when status is not completed).
data.urlsobjectObject containing related API endpoints
data.urls.getstringURL to retrieve the prediction result
data.statusstringStatus of the task: created, processing, completed, or failed
data.created_atstringISO timestamp of when the request was created (e.g., “2023-04-01T12:34:56.789Z”)
data.errorstringError message (empty if no error occurred)
data.timingsobjectObject containing timing details
data.timings.inferenceintegerInference time in milliseconds
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