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Seedance 2 Fast

ByteDance's most advanced image-to-video model, fast tier. Lower latency and cost with synchronized audio, start and end frame control, and motion prompts.

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.

Duration of the video in seconds. Supports 4 to 15 seconds, or auto to let the model decide based on the prompt.

Tips and requirements

The aspect ratio of the generated video. Use 16:9 for landscape, 9:16 for portrait/vertical, 1:1 for square, 21:9 for ultrawide cinematic, or auto to infer from the input image.

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.

Output bitrate mode. 'high' requests a higher-quality, larger-file encode from the model; 'standard' uses the default bitrate.

'auto' retains default video codec behaviour; 'H264' uses H.264; 'H265' uses H.265.

The unique user ID of the end user.

Starting price$0.93 / 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 Fast

Getting started

Explore action and camera ideas before assembling a longer edit.

Review your result

Review shot transitions, object continuity and any dialogue timing throughout the clip.

Inputs and settings

Text mode requires prompt. Image mode adds image_url and optional end_image_url; reference mode accepts up to nine image_urls.

Choose 4–15 seconds and 480p or 720p. Set aspect_ratio and generate_audio; inspect the chosen codec and bitrate_mode in the complete form.

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