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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.'
});

What To Consider When Choosing a Provider

  • Configuration: Seedance 2.0 Fast shares inputs and capabilities with Seedance 2.0 but accepts some quality tradeoff for speed. Use it for iteration, volume batch generation, and drafting where turnaround matters more than absolute fidelity.
  • Zero Data Retention: AI Gateway does not currently support Zero Data Retention for this model. See the documentation for models that support ZDR.
  • Authentication: AI Gateway authenticates requests using an API key or OIDC token. You do not need to manage provider credentials directly.

When to Use Seedance 2.0 Fast

Best For

  • Iteration and drafting: Rapid prompt iteration and storyboard exploration where turnaround drives creative velocity
  • High-volume batch generation: Content pipelines producing dozens of video variants for A/B testing or personalization
  • Cost-sensitive production: Video workflows where per-clip price scales with traffic and the standard tier's cost isn't justified
  • Multimodal video at scale: The full input set of Seedance 2.0 at lower cost for high-throughput generation
  • Preview generation: Fast first-pass outputs that teams review before committing to Seedance 2.0 for final renders

Consider Alternatives When

  • Peak output quality: Seedance 2.0 targets the highest video fidelity when cost and speed aren't the binding constraint
  • Static image generation: Use a dedicated image model when motion isn't required
  • Video understanding only: Use a vision-language model to analyze existing video rather than generate new content

Conclusion

Seedance 2.0 Fast makes second-generation Seedance video generation practical at higher volumes. For teams iterating on creative content, running personalization pipelines, or drafting before committing to final renders, the Fast variant delivers the same capability set with faster turnaround and lower cost.

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.