Kwaivgi Kling V1.6 I2V Standard

Playground

Kling 1.6 is an Image-to-Video model with 195% improvement over 1.5, with improved prompt understanding, physics and visual effects. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.

Features

Kling V1.6 Image-to-Video Standard

Kling V1.6 Image-to-Video Standard is Kuaishou’s reliable image-to-video generation model that transforms static images into dynamic videos with smooth, natural motion. Upload an image, describe the action, and watch your photo come to life.

Why It Stands Out

Image-driven generation: Animate any image while preserving its original style and composition.
Prompt-guided motion: Describe the action you want and the model brings it to life.
Prompt Enhancer: Built-in AI-powered prompt optimization for better results.
Negative prompt support: Exclude unwanted elements for cleaner outputs.
Guidance control: Adjust how closely the output follows your prompt.
Flexible duration: Choose video length based on your needs.

Parameters

Parameter	Required	Description
prompt	Yes	Text description of desired motion and action.
image	Yes	Source image to animate (upload or public URL).
negative_prompt	No	Elements to avoid in the output.
guidance_scale	No	Prompt adherence strength (default: 0.5).
duration	No	Video length in seconds (default: 5).

How to Use

Upload your source image — drag and drop a file or paste a public URL.
Write a prompt describing the motion you want. Use the Prompt Enhancer for AI-assisted optimization.
Add a negative prompt (optional) — specify elements to exclude.
Adjust guidance scale — higher values follow prompts more strictly.
Set duration — choose how long you want the video to be.
Click Run and wait for your video to generate.
Preview and download the result.

Best Use Cases

Portrait Animation — Bring portrait photos to life with natural movement.
Social Media Content — Turn photos into engaging video posts.
Marketing & Advertising — Animate product images and hero shots.
E-commerce — Create dynamic product showcases from static photography.
Creative Projects — Animate artwork, illustrations, and personal photos.

Pricing

Duration	Price
5 seconds	$0.25
10 seconds	$0.50

Pro Tips for Best Quality

Use high-resolution, well-lit source images for optimal results.
Keep prompts simple and focused on the main action (e.g., “The woman walks forward”).
Use lower guidance scale (0.3–0.5) for more natural motion.
Use higher guidance scale (0.6–0.8) for stronger prompt adherence.
Use negative prompts to reduce artifacts like blur or distortion.

Notes

Ensure uploaded image URLs are publicly accessible.
Processing time varies based on duration and current queue load.
Please ensure your prompts comply with content guidelines.

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-v1.6-i2v-standard" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}" \
--data-raw '{
    "guidance_scale": 0.5,
    "duration": 5
}'

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

Parameters

Task Submission Parameters

Request Parameters

Parameter	Type	Required	Default	Range	Description
prompt	string	Yes		-	The positive prompt for the generation. max length 2500
negative_prompt	string	No		-	The negative prompt for the generation.
image	string	Yes		-	First frame of the video; Supported image formats include.jpg/.jpeg/.png; The image file size cannot exceed 10MB, and the image resolution should not be less than 300*300px.
guidance_scale	number	No	0.5	0.00 ~ 1.00	The guidance scale to use for the generation.
duration	integer	No	5	5, 10	The duration of the generated media in seconds.

Response Parameters

Parameter	Type	Description
code	integer	HTTP status code (e.g., 200 for success)
message	string	Status message (e.g., “success”)
data.id	string	Unique identifier for the prediction, Task Id
data.model	string	Model ID used for the prediction
data.outputs	array	Array of URLs to the generated content (empty when status is not `completed`)
data.urls	object	Object containing related API endpoints
data.urls.get	string	URL to retrieve the prediction result
data.has_nsfw_contents	array	Array of boolean values indicating NSFW detection for each output
data.status	string	Status of the task: `created`, `processing`, `completed`, or `failed`
data.created_at	string	ISO timestamp of when the request was created (e.g., “2023-04-01T12:34:56.789Z”)
data.error	string	Error message (empty if no error occurred)
data.timings	object	Object containing timing details
data.timings.inference	integer	Inference time in milliseconds

Result Request Parameters

Parameter	Type	Required	Default	Description
id	string	Yes	-	Task ID

Result Response Parameters

Parameter	Type	Description
code	integer	HTTP status code (e.g., 200 for success)
message	string	Status message (e.g., “success”)
data	object	The prediction data object containing all details
data.id	string	Unique identifier for the prediction, the ID of the prediction to get
data.model	string	Model ID used for the prediction
data.outputs	string	Array of URLs to the generated content (empty when status is not completed).
data.urls	object	Object containing related API endpoints
data.urls.get	string	URL to retrieve the prediction result
data.status	string	Status of the task: `created`, `processing`, `completed`, or `failed`
data.created_at	string	ISO timestamp of when the request was created (e.g., “2023-04-01T12:34:56.789Z”)
data.error	string	Error message (empty if no error occurred)
data.timings	object	Object containing timing details
data.timings.inference	integer	Inference time in milliseconds

Kwaivgi Kling V1.6 I2V Pro Kwaivgi Kling V1.6 Multi I2V Pro