Bytedance Seedance V1 Pro Fast Image To Video

Playground

ByteDance Seedance is an advanced AI video model that excels in coherent multi-shot video generation. It can deliver smooth, stable motion, and accurately follow detailed prompts for complex video content.

Features

bytedance/seedance-v1-pro-i2v-fast/image-to-video 🎬

ByteDance Seedance V1 Pro I2V Fast is an advanced image-to-video model designed for coherent, multi-shot storytelling with exceptional stability and prompt accuracy. Powered by ByteDance’s latest video foundation framework, it transforms a single image and description into smooth, cinematic motion sequences — ideal for creators, studios, and advertisers who demand both speed and visual fidelity.

🌟 Key Features

🎞️ Coherent Multi-Shot Motion Generates videos that maintain consistent characters, backgrounds, and lighting across complex motion sequences.
🚀 Fast & Efficient Rendering Optimized for rapid generation, offering high-quality output at lower latency compared to standard models.
🧠 Accurate Prompt Following Handles detailed action descriptions, perspective shifts, and multi-stage motion transitions with semantic precision.
🎨 Style Preservation Keeps the original artistic tone, color, and atmosphere of the input image while introducing realistic or stylized movement.
📸 Resolution Flexibility Supports 480p, 720p, and 1080p outputs — balancing speed, cost, and detail to suit different production needs.

⚙️ Parameters

Parameter	Description
prompt*	Describe the scene, motion, and style (e.g., “Cinematic pan across a city skyline as a woman turns and smiles toward the camera.”).
image*	Upload a static image (JPG / PNG) that defines composition, character, or lighting.
duration	Video length in seconds (3–10s).
resolution	Choose between `480p` (faster, cheaper) or `720p / 1080p` (higher detail).

💰 Pricing

Resolution	Price per second	Example (5s)	Example (10s)
480p	$0.012 / s	$0.06	$0.12
720p	$0.024 / s	$0.12	$0.24
1080p	$0.048 / s	$0.24	$0.48

💡 Use Cases

Cinematic Storyboarding — Animate static frames into compelling story shots.
Advertising & Product Motion — Turn product photos into dynamic marketing clips.
Character & Environment Animation — Preserve consistency across movement-heavy sequences.
Social & Short-Form Video Creation — Rapidly generate stylized motion from concept art or photos.

Note

For optimal video results, it is recommended that the specified video aspect ratio closely matches the original aspect ratio of your uploaded image.

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/bytedance/seedance-v1-pro-fast/image-to-video" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}" \
--data-raw '{
    "resolution": "480p",
    "duration": 5,
    "camera_fixed": false,
    "seed": -1
}'

# 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

Parameter	Type	Required	Default	Range	Description
prompt	string	Yes		-	The positive prompt for the generation.
image	string	Yes		-	Input image for video generation; 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.
resolution	string	No	480p	480p, 720p, 1080p	The resolution of the generated media.
duration	integer	No	5	2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12	The duration of the generated media in seconds.
aspect_ratio	string	No	-	21:9, 16:9, 4:3, 1:1, 3:4, 9:16	The aspect ratio of the generated media.
camera_fixed	boolean	No	false	-	Whether to fix the camera position.
seed	integer	No	-1	-1 ~ 2147483647	The random seed to use for the generation. -1 means a random seed will be used.

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

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