ByteDance: Seedream 4.0
Seedream 4.0 is an image generation model from ByteDance released on Sep 9, 2025. It reads text and writes images.
- Modalities
- In / out price
- n/a
- Context
- n/a
- Max output
- n/a
- Released
- Sep 9, 2025
- Knowledge cutoff
- n/a
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
Supported request parameters
What you can set when you call Seedream 4.0 through an OpenAI compatible API.
- Temperature
temperature
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Seedream 4.0 questions
Is Seedream 4.0 open source?
No. ByteDance serves it through an API only, so you cannot download the weights or host it yourself.
When was Seedream 4.0 released?
Sep 9, 2025.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.