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Seedream 4.0

Seedream 4.0 is a multimodal image generation model from ByteDance. It natively accepts text, single-image, and multi-image inputs, returns either a single image or a consistent set, and renders up to 4K resolution at $0.03 per image.

Image Gen
index.ts
import { experimental_generateImage as generateImage } from 'ai';


const result = await generateImage({
  model: 'bytedance/seedream-4.0',
  prompt: 'A red balloon on a wooden table.'
});
OverviewPlaygroundAboutProvidersThroughputLatencySimilarFAQ

Frequently Asked Questions

  • What input types does Seedream 4.0 support?

    Text prompts, a single reference image, or multiple reference images in the same request. You can combine modalities to guide composition and subject consistency in one call.

  • Can Seedream 4.0 return more than one image per request?

    Yes. Seedream 4.0 can output a single image or a set of related images that maintain subject consistency, which suits catalog generation and frame-series workflows.

  • What output resolution does Seedream 4.0 support?

    Up to 4K. That removes a separate upscaling step for print layouts, hero imagery, and editorial use.

  • How fast is Seedream 4.0 per image?

    ByteDance reports generation around 1.8 seconds per image in published examples. See live metrics on this page for current throughput across providers.

  • How do I call Seedream 4.0 through AI Gateway?

    Set the model to bytedance/seedream-4.0 and call it through the AI SDK's generateImage function. AI Gateway routes the request through bytedance using your API key or OIDC token.

  • What does Seedream 4.0 cost per image?

    Seedream 4.0 is listed at $0.03 per image. See N/A for the full pricing breakdown.

  • Does Vercel AI Gateway support Zero Data Retention for Seedream 4.0?

    Zero Data Retention is not currently available for this model. Zero Data Retention is offered on a per-provider basis. See https://vercel.com/docs/ai-gateway/capabilities/zdr for details.