Async jobs
Queue generation, poll status, and return image URLs when render completes.
Seedream 4 4K API is positioned for Seedream image generation workflows that need crisp composition, lifestyle visuals, portraits, and commercial concept images.

Model overview
4K-oriented Seedream 4 model for large-format visuals, detailed artwork, and hero assets.
Use Seedream 4 4K through LumixAI when you want one stable REST workflow for prompts, model selection, async jobs, usage tracking, and credit pricing. The page targets searches for Seedream 4 4K API, Seedream 4 4K image API, and Seedream image generation API.
large-format images
detail
hero visuals
Developer workflow
Queue generation, poll status, and return image URLs when render completes.
Seedream 4 4K starts at 5 credits per image before conditional rules.
await fetch("https://api.example.com/v1/images/jobs", {
method: "POST",
headers: {
"Content-Type": "application/json",
"X-API-Key": process.env.LUMIXAI_API_KEY
},
body: JSON.stringify({
model: "seedream-4-4k",
prompt: "premium product image, clean studio lighting",
aspectRatio: "16:9",
resolution: "2k"
})
});SEO content source map
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