Browse ModelsKwaivgiKwaivgi Kling Video O3 Pro Reference To Video

Kwaivgi Kling Video O3 Pro Reference To Video

Kwaivgi Kling Video O3 Pro Reference To Video

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Kling Omni Video O3 Reference-to-Video generates creative videos using character, prop, or scene references from multiple viewpoints. Extracts subject features and creates new video content while maintaining identity consistency across frames. Supports audio generation. Ready-to-use REST API, best performance, no cold starts, affordable pricing.

Features

Kling Video O3 Pro Reference-to-Video

Kling Video O3 Pro Reference-to-Video generates premium video from reference images with optional video guidance. Upload reference images to establish character identity and appearance, optionally provide a reference video for motion guidance, and describe the scene — the model produces top-tier cinematic video with identity consistency.


Why Choose This?

  • O3 Pro quality The highest visual fidelity and motion realism in the Kling family.

  • Multi-reference images Upload up to 7 reference images (or up to 4 with a reference video).

  • Video-guided generation Optional reference video for motion and scene guidance.

  • Keep original sound Preserve the audio from the reference video in the output.

  • Sound generation Optional AI-generated sound effects when no reference video is provided.


Parameters

ParameterRequiredDescription
promptYesText description of the video scene and motion
videoNoReference video for motion guidance
imagesNoReference images: up to 4 with video, up to 7 without (click ”+ Add Item”)
keep_original_soundNoKeep audio from the reference video (default: enabled)
soundNoGenerate AI audio (only when no reference video, default: disabled)
aspect_ratioNoOutput ratio: 16:9 (default), 9:16, 1:1
durationNoVideo length: 3-15 seconds (default: 5)

How to Use

  1. Write your prompt — describe the scene, characters, and action.
  2. Upload reference video (optional) — provide a video for motion guidance.
  3. Upload reference images — add character or scene references.
  4. Configure audio — keep original sound from video, or enable AI sound generation.
  5. Select aspect ratio — match your target platform.
  6. Set duration — choose any length from 3 to 15 seconds.
  7. Run — submit and download your video.

Pricing

DurationImages onlyImages only + SoundWith reference video
3s$0.72$0.90$1.08
5s$1.20$1.50$1.80
10s$2.40$3.00$3.60
15s$3.60$4.50$5.40

Billing Rules

  • Base rate: $1.20 per 5 seconds
  • With reference video: 1.5× multiplier
  • With AI sound (no video): 1.25× multiplier

Best Use Cases

  • Character Consistency — Generate videos with identity-consistent characters.
  • Video Remixing — Use reference video for motion guidance with new characters.
  • Marketing & Ads — Create promotional videos featuring specific people or products.
  • Storytelling — Produce narrative scenes with consistent character appearance.
  • Long-Form Scenes — Up to 15 seconds for extended scene development.

Pro Tips

  • Use multiple reference images from different angles for better identity preservation.
  • When using a reference video, the image limit is 4; without a video, you can use up to 7.
  • Enable keep_original_sound to preserve audio from your reference video.
  • Sound generation is only available when no reference video is provided.
  • Use shorter durations (3-5s) for testing, longer (10-15s) for final production.
  • Match aspect ratio to your platform: 16:9 for YouTube, 9:16 for TikTok/Reels, 1:1 for Instagram.

Notes

  • Only prompt is required; other parameters are optional.
  • Duration supports any value from 3 to 15 seconds.
  • Reference images limit: up to 4 with video, up to 7 without.
  • When a reference video is provided, sound generation is replaced by keep_original_sound.
  • Ensure uploaded image and video URLs are publicly accessible.

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-pro/reference-to-video" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}" \
--data-raw '{
    "keep_original_sound": true,
    "sound": false,
    "aspect_ratio": "16:9",
    "duration": 5
}'

# 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.
videostringNo-The reference video URL.
imagesarrayNo[]-Reference images. With a reference video: image elements ≤ 4; without a reference video: ≤ 7
keep_original_soundbooleanNotrue-Whether to keep the original sound from the reference video.
soundbooleanNofalse-Whether to generate audio for the video.
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).

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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