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Seedance 2.0 Fast

Seedance 2.0 Fast prioritizes generation speed and lower cost while retaining Seedance 2.0's multimodal inputs, synchronized audio, professional camera movements, and in-video text rendering.

Vision (Image)Video Gen
index.ts
import { experimental_generateVideo as generateVideo } from 'ai';


const result = await generateVideo({
  model: 'bytedance/seedance-2.0-fast',
  prompt: 'A serene mountain lake at sunrise.'
});
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Frequently Asked Questions

  • How does Seedance 2.0 Fast differ from Seedance 2.0?

    Both share the same input types, audio capabilities, camera controls, and in-video text rendering. The Fast variant trades some output quality for faster generation and lower cost. Choose based on whether peak fidelity or turnaround matters more.

  • Does Seedance 2.0 Fast generate audio alongside video?

    Yes. Audio generation is native and synchronized to the video, with multilingual support for dialogue, sound effects, and ambient audio.

  • What input types does Seedance 2.0 Fast support?

    Text-to-video, image-to-video, multimodal reference-to-video (combining image, video, and audio inputs), and video editing and extension. Same as the standard Seedance 2.0 variant.

  • Can Seedance 2.0 Fast render text inside generated video?

    Yes. In-video text rendering carries over from the standard Seedance 2.0 variant.

  • Does Vercel AI Gateway support Zero Data Retention for Seedance 2.0 Fast?

    Zero Data Retention is not currently available for this model. ZDR on AI Gateway applies to direct gateway requests; BYOK flows aren't covered. See https://vercel.com/docs/ai-gateway/capabilities/zdr for details.

  • What is the pricing for Seedance 2.0 Fast?

    Rates are listed on this page. AI Gateway applies no markup on video generation, so the rate matches the direct ByteDance provider price.

  • How do I call Seedance 2.0 Fast through AI Gateway?

    Set the model to bytedance/seedance-2.0-fast and call it through the AI SDK's generateVideo function. AI Gateway handles authentication, retries, and failover across bytedance.