WaveSpeedAI APIWan T2V 720p LoRA Ultra Fast

Wan T2V 720p LoRA Ultra Fast

Turbo-charged inference for Wan 2.1 14B. Unleashing high-res 720p text-to-video prowess with cutting-edge suite of video foundation models, LoRA effect added

Features

wan-2.1/t2v-720p-lora-ultra-fast is an open-source AI video generation model developed by Alibaba Cloud, designed for text-to-video tasks.The 14-billion-parameter professional version excels in generating complex motions and simulating physical dynamics, delivering exceptional performance. LoRA stands for Low-Rank Adaptation, a technique for efficiently fine-tuning pre-trained models to generate videos with specified effects from reference images.

Built upon a causal 3D Variational Autoencoder (VAE) and Video Diffusion Transformer architecture, wan-2.1/t2v-720p-lora-ultra-fast efficiently models spatiotemporal dependencies. In the authoritative VBench evaluation, the 14B version achieved a leading score of 86.22%, surpassing models like Sora, Luma, and Pika, and securing the top position. The model is available on Wavespeed AI, providing convenient access for developers.Leveraging cutting-edge acceleration techniques, wan-2.1/t2v-720p-lora-ultra-fast pushes the limits of rapid video synthesis for creative and practical applications.

Key Features

  • Ultra-Fast LoRA-Enhanced Inference: Integrates LoRA modules to refine motion dynamics, preserve character consistency, and apply specific artistic styles, all while significantly reducing generation time compared to standard models.
  • High-Resolution Video Output: Generates sharp 720p videos from text prompts, ensuring superior visual quality and motion diversity.
  • State-of-the-Art Performance: Maintains top-tier performance, consistently outperforming existing open-source and commercial solutions across multiple benchmarks.
  • Consumer-Grade GPU Compatibility: Optimized to run efficiently on widely available hardware, enabling broad accessibility for developers and creators.
  • Multilingual Text Generation: Supports the generation of videos containing text in both Chinese and English, enhancing its adaptability for global applications.
  • Powerful Video VAE: Integrates a robust variational autoencoder capable of encoding and decoding 1080p videos while preserving temporal information, making it an ideal foundation for video generation.

ComfyUI

wan-2.1/t2v-720p-lora-ultra-fast 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 for creative video synthesis from text; not intended for generating factually accurate or reliable content.
  • Inherent Biases: As with any data-driven model, 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 prompt; subtle variations may lead to output variability.
  • Task Scope: This model is exclusively built for text-to-video conversion at high resolution and does not support additional video generation tasks such as image-to-video or video editing.

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/v2/wavespeed-ai/wan-2.1/t2v-720p-lora-ultra-fast" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}" \
--data-raw '{
    "prompt": "A small vietnamese village is on [r3al_f1re] with many wood houses burning, smoke filling the air, with flames consuming the dry grass and smoke filling the sky above",
    "negative_prompt": "",
    "loras": [
        {
            "path": "Remade-AI/Fire",
            "scale": 1
        }
    ],
    "size": "1280*720",
    "num_inference_steps": 30,
    "duration": 5,
    "guidance_scale": 5,
    "flow_shift": 5,
    "seed": -1,
    "enable_safety_checker": true
}'

# Get the result
curl --location --request GET "https://api.wavespeed.ai/api/v2/predictions/${requestId}/result" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}"

Parameters

Task Submission Parameters

Request Parameters

ParameterTypeRequiredDefaultRangeDescription
promptstringYesA small vietnamese village is on [r3al_f1re] with many wood houses burning, smoke filling the air, with flames consuming the dry grass and smoke filling the sky above-The prompt for generating the output.
negative_promptstringNo--The negative prompt for generating the output.
lorasarrayNo[]max 3 itemsThe LoRA weights for generating the output.
loras[].pathstringYes-Path to the LoRA model
loras[].scalefloatYes-0.0 ~ 4.0Scale of the LoRA model
sizestringNo1280*7201280*720, 720*1280The size of the output.
num_inference_stepsintegerNo301 ~ 40The number of inference steps.
durationintegerNo55 ~ 10Generate video duration length seconds.
guidance_scalenumberNo50.0 ~ 10.0The guidance scale for generation.
flow_shiftnumberNo51.0 ~ 10.0The shift value for the timestep schedule for flow matching.
seedintegerNo-1-1 ~ 9999999999The seed for random number generation.
enable_safety_checkerbooleanNotrue-Whether to enable the safety checker.

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
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