WaveSpeedAI APIKling V1.6 T2V Standard

Kling V1.6 T2V Standard

Generate 5s videos in 720p resolution

Features

Kling-V1.6-t2v-Standard is an AI text-to-video generation model developed by the Kuaishou AI Team, now available on WaveSpeedAI. It transforms textual descriptions into dynamic 5-second videos at 720p resolution, offering high-quality visual outputs with enhanced motion and semantic understanding.

Key Features

  • High-Quality Video Output: Generates 5-second videos at 720p resolution with vivid details and cinematic quality.
  • Enhanced Motion Rendering: Utilizes advanced dynamic rendering techniques to create smooth and natural movements.
  • Improved Semantic Understanding: Excels in interpreting complex user prompts to generate coherent and dynamic scenes.
  • Physical Realism: Simulates realistic physical properties and movements for lifelike videos.
  • Fast Processing: Optimized for efficient generation, allowing quick creation of high-quality videos.
  • Customizable Parameters: Offers adjustable settings such as duration, quality, and style for greater control over outputs.

ComfyUI

Kling-V1.6-i2v-Standard is also available on ComfyUI, providing local inference capabilities through a node-based workflow. This ensures flexible and efficient video generation on your system, catering to various creative workflows.

Limitations

  • Creative Focus: Designed primarily for creative video synthesis; not intended for generating factually accurate content.
  • Inherent Biases: Outputs may reflect biases present in the training data.
  • Input Sensitivity: The quality and consistency of generated videos depend significantly on the quality of the input text; subtle variations may lead to output variability.
  • Resolution Limitation: This model is optimized for 720p video generation and does not support higher resolutions like 1080p.

Out-of-Scope Use

The model and its derivatives may not be used in any way that violates applicable national, federal, state, local, or international law or regulation, including but not limited to:

  • Exploiting, harming, or attempting to exploit or harm minors, including solicitation, creation, acquisition, or dissemination of child exploitative content.
  • Generating or disseminating verifiably false information with the intent to harm others.
  • Creating or distributing personal identifiable information that could be used to harm an individual.
  • Harassing, abusing, threatening, stalking, or bullying individuals or groups.
  • Producing non-consensual nudity or illegal pornographic content.
  • Making fully automated decisions that adversely affect an individual’s legal rights or create binding obligations.
  • Facilitating large-scale disinformation campaigns.

Accelerated Inference

Our accelerated inference approach leverages advanced optimization technology from WavespeedAI. This innovative fusion technique significantly reduces computational overhead and latency, enabling rapid image generation without compromising quality. The entire system is designed to efficiently handle large-scale inference tasks while ensuring that real-time applications achieve an optimal balance between speed and accuracy. For further details, please refer to the blog post.

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-t2v-standard" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}" \
--data-raw '{
    "prompt": "An ancient mage in flowing robes walking alone through a vast desert, holding a glowing staff. The sun sets behind him, long shadows, sand swirling around. Magical realism, solemn and mystical tone",
    "guidance_scale": 0.5,
    "duration": "5"
}'

# Get the result
curl --location --request GET "https://api.wavespeed.ai/api/v3/kwaivgi/kling-v1.6-t2v-standard/${requestId}/result" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}"

Parameters

Task Submission Parameters

Request Parameters

ParameterTypeRequiredDefaultRangeDescription
promptstringYesAn ancient mage in flowing robes walking alone through a vast desert, holding a glowing staff. The sun sets behind him, long shadows, sand swirling around. Magical realism, solemn and mystical tone-Text prompt for generation; Positive text prompt; Cannot exceed 2500 characters
negative_promptstringNo--Negative text prompt; Cannot exceed 2500 characters
guidance_scalenumberNo0.50.00 ~ 1.00Flexibility in video generation; The higher the value, the lower the model’s degree of flexibility, and the stronger the relevance to the user’s prompt.
durationstringNo55, 10Generate video duration length seconds.

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 Query Parameters

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
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
© 2025 WaveSpeedAI. All rights reserved.