~/Seedance 2.0 Fast Video Extend
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Video to Video

Seedance 2.0 Fast Video Extend

Fast video extension and clip stitching at lower cost.

スキーマ

Hint: You can drag and drop a file or click to upload

Add videos (0/2)

Upload up to 2 videos

Hint: You can drag and drop a file or click to upload

例

Input

Video

上記はサンプル出力です。プロンプトと設定は左側に事前入力されています。

リクエストのコストは $2.00 （1回あたり） ($0.20/s) の金額で $10 で約 5 回実行できます。

もう一つ：

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README

ByteDance / Seedance 2.0 Fast Video Extend — Video to Video (seedance-2.0-fast-video-extend)

Seedance 2.0 Fast video extend is the speed-optimized variant for extending videos or stitching clips at lower cost.

ハイライト

  • •Faster Generation – Speed-optimized extension.
  • •Lower Cost – $0.218/s at 720p vs $0.273/s for standard.
  • •Multi-Clip Stitching – Connect up to 3 clips.

パラメータ

  • •video_url* – Source video to extend. Formats: mp4, mov.
  • •prompt* – Describe the continuation or transition. Reference clips with [video 1], [video 2] syntax.
  • •reference_video_urls – Additional video clips to stitch (max 2 more).
  • •end_image_url – Optional target end frame.
  • •duration – Total output video duration in seconds.
  • •resolution – Video resolution
    • • 480P
    • • 720P
  • •generate_audio – Generate synchronized AI audio (included in base cost)

料金

$2.00 生成ごと

解像度価格
480P with video input$0.045/s input + output
720P with video input$0.100/s input + output

使い方

    Related Guides

    Best AI Video APIs ComparedText to Video API GuideBest AI API Platforms 2026AI API Pricing Comparison

    Frequently Asked Questions

    What is the Seedance 2.0 Fast Video Extend API?
    Fast video extension and clip stitching at lower cost.
    How much does Seedance 2.0 Fast Video Extend cost via API?
    Seedance 2.0 Fast Video Extend costs $2.0000 per generation through Renderful's API. No subscription required — pay only for what you use.
    How do I use Seedance 2.0 Fast Video Extend via API?
    Sign up for a free Renderful API key, then send a POST request to the /v1/predictions endpoint with model "seedance-2.0-fast-video-extend". See the documentation at renderful.ai/docs for code examples in Python, JavaScript, and cURL.
    What type of content does Seedance 2.0 Fast Video Extend generate?
    Seedance 2.0 Fast Video Extend is a video to video model by ByteDance. Key features include: Video extension, Multi-clip stitching (up to 3), 480P/720P.
    Is the Seedance 2.0 Fast Video Extend API fast?
    Seedance 2.0 Fast Video Extend has fast generation speed. Results are delivered via polling or webhook callback for seamless integration.