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Seedance 2.5 (US)

US-hosted ByteDance Seedance 2.5 animates still images with synchronized audio and optional end-frame control. Generate videos up to 30 seconds at 480p, 720p or 1080p.

Input

Fields marked * are required. Review the price before generating.

The text prompt describing the desired motion and action for the video.

The URL of the starting frame image to animate. Supported formats: JPEG, PNG, WebP, BMP, TIFF, GIF, HEIC, HEIF. Max 30 MB.

Uploading a file needs an account. Create accountJPEG, PNG, WebP · up to 25 MB

The URL of the image to use as the last frame of the video. When provided, the generated video will transition from the starting image to this ending image. Supported formats: JPEG, PNG, WebP, BMP, TIFF, GIF, HEIC, HEIF. Max 30 MB.

Uploading a file needs an account. Create accountJPEG, PNG, WebP · up to 25 MB

Video resolution - 480p for faster generation, 720p for balance, 1080p for high quality.

Duration of the video in seconds. Supports 4 to 30 seconds, or auto to let the model decide based on the prompt.

The aspect ratio of the generated video. Always "auto" for image-to-video

Additional settings
Tips and requirements

Whether to generate synchronized audio for the video, including sound effects, ambient sounds, and lip-synced speech. The cost of video generation is the same regardless of whether audio is generated or not.

The unique user ID of the end user.

Starting price$1.77 / run

You sign up first. Your settings are kept.

API code for this input

Complete the required fields and fix input errors to see API code.

How to use Seedance 2.5 (US)

Getting started

Describe an action that can continue through the selected duration. Use a starting photo for fixed framing and image references for a subject-led scene.

Review your result

Check subject consistency and camera movement from start to finish. Review the audio separately and confirm that the output fits your intended placement.

Inputs and settings

Select text, image or reference mode. Image mode requires image_url, optionally takes end_image_url and follows the input aspect ratio automatically. Reference mode uses image_urls.

Choose 4–30 seconds and 480p, 720p or 1080p. Choose an explicit aspect ratio for text/reference mode and select generate_audio. Automatic duration is unavailable.

Reference mode currently supports image guidance; editing, extension and video/audio references are unavailable. Encoding is fixed to standard bitrate and automatic codec. 1080p has a higher token rate; review the quote before submission.

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