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KwaiVGI modelsvideo generation api

kwaivgi/kling-video/v1/pro/ai-avatar

Kling Video V1 Pro by KwaiVGI - animate still images into dynamic videos with AI. Transform photos into cinematic clips with natural motion, camera movement, and optional audio generation.

Input
The prompt to use for the video generation.

PNG, JPEG, WebP, or GIF · 20 MiB maximum

The URL of the image to use as your avatar
The URL of the audio file.
Idle

Example output — click Run to generate your own

API README

Kling AI Avatar Pro

ai avatar in the Kling Video lineup is built to turn a portrait and speech into a coordinated presenter performance. The kling video v1 pro ai avatar configuration combines that transformation with the quality and motion profile represented by this exact model version, so teams can choose it deliberately among adjacent family variants. It is useful when the input already establishes part of the creative intent and the model must supply a polished result rather than a generic media conversion, with subject identity, scene logic, visual hierarchy, and the delivery goal kept explicit.

For production work with kwaivgi/kling-video/v1/pro/ai-avatar, begin with the non-negotiable content, then describe the desired change, framing, action, atmosphere, and finishing cues in that order. Separate what must remain recognizable from what may vary, and prefer concrete nouns and observable actions over abstract praise. That structure makes outputs easier to compare across storyboard passes, campaign variants, catalog assets, and other repeatable creative pipelines.

Highlights

Audio-driven performance. Turns speech into coordinated mouth shapes, timing, expression, and presenter motion.

Portrait identity retention. Keeps the speaker recognizable while animating a still source.

Expressive facial behavior. Adds blinks, gaze changes, and natural micro-movements beyond mouth replacement.

kling video v1 pro ai avatar presenter-ready motion. Creates composed delivery for explainers, localized messages, and digital hosts. This is the defining creative strength of the kling video v1 pro ai avatar configuration.

Pricing

DurationPrice per generated clip
Per generated second$0.1150

Billing follows params.duration * 0.115: multiply generated seconds by the $0.1150 per-second rate.

When to Use

✅ Good fit❌ Consider alternatives
The model's named workflow matches the source material and intended outputA different input modality or model route is required
A managed asynchronous result is suitable for the production pipelineA synchronous, interactive editor is essential
The documented controls cover the required duration, framing, or formatThe project needs controls outside this endpoint's schema
Creative iteration benefits from a repeatable request structureExact deterministic pixels, frames, geometry, or samples are mandatory
A finished downloadable media asset is the desired deliverableEditable source layers or a native project file are required

Prompt Guide

For audio transformation, state the intended result first, then add the subject or source treatment, progression, style, and delivery constraints. Keep one creative variable per phrase, use the documented field names for controls, and change one setting at a time when comparing results.

{
  "audio": "https://static.sandbase.ai/examples/kwaivgi/kling-video/v1/pro/ai-avatar/output_url_1.mp3",
  "image": "https://static.sandbase.ai/examples/kwaivgi/kling-video/v1/pro/ai-avatar/input_image_0.jpg",
  "prompt": "."
}

Technical Specs

SpecValue
Model IDkwaivgi/kling-video/v1/pro/ai-avatar
Inputsaudio, image, prompt
Required inputsprompt, image
Output fieldscontent_type, url
ExecutionAsync (submit, then poll for result)

Related Models

Related Models

kwaivgi/kling-video/v1/standard/ai-avatarKling Video V1 Standard is KwaiVGI's image-to-video AI model. Bring static images to life with fluid animation, consistent character motion, and professional-grade video output.kwaivgi/kling-video/v1/standard/effectsKling Video V1 Standard is KwaiVGI's text-to-video AI model. Turn written scripts and prompts into professional-quality video clips with realistic motion, lighting, and scene composition.kwaivgi/kling-video/v1/standard/image-to-videoKling Video V1 Standard by KwaiVGI - animate still images into dynamic videos with AI. Transform photos into cinematic clips with natural motion, camera movement, and optional audio generation.kwaivgi/kling-video/v1/standard/text-to-videoKling Video V1 Standard is KwaiVGI's text-to-video AI model. Turn written scripts and prompts into professional-quality video clips with realistic motion, lighting, and scene composition.kwaivgi/kling-video/3.0/omni/pro/image-to-videoKling Video Omni Pro is KwaiVGI's image-to-video AI model. Bring static images to life with fluid animation, consistent character motion, and professional-grade video output.kwaivgi/kling-video/3.0/omni/pro/reference-to-videoGenerate a video from multiple reference images and text guidance with Kling 3.0 Omni Pro.kwaivgi/kling-video/3.0/omni/pro/video-to-video/editModify an existing video with natural-language instructions using Kling 3.0 Omni Pro.kwaivgi/kling-video/3.0/omni/pro/video-to-video/referenceUse a source video plus image references to generate a guided video variation with Kling 3.0 Omni Pro.