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Image · ByteDance

Seedream 4.0

As Bytedance’s next-generation image creation model, Seedream 4.0 API unifies text-to-image, image-to-image, and editing in one architecture. It supports knowledge-based generation, complex reasoning, and reference consistency, while delivering faster inference and high-definition results. With ModelFold, you can test Seedream 4.0 API free online and experience its speed and precision directly.

Starting at
7credits image
Read API docs →

Playground

Run this model with a pre-filled form — the same billed path as the API.

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Playground runs are billed from your wallet.
Rate card
seedream v4 edit7 credits image
seedream v4 text to image7 credits image

Flat price per run — it does not change with duration.

Quick start
curl -X POST https://ai.modelfold.online/v1/jobs/createTask \
  -H "Authorization: Bearer $MODELFOLD_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"bytedance/seedream-v4-text-to-image","input":{"prompt":"..."}}'