One brief, nine matching assets, one run. Seedream 4.0 is ByteDance's unified generation-and-editing model: a single job can return up to 9 coordinated images that keep the same character, style, and layout — and every 2K frame lands in about 1.8 seconds, with 4K output at 30 credits per image.
Seedream 4.0 treats a prompt like a campaign brief, not a single frame — here is the workflow:
Describe the series, not one picture: what the set is for, what must stay identical across frames — the character, the product, the palette — and what may vary.
Attach as many as 6 reference images so faces, packaging, and brand style carry over. The model fuses them into one consistent identity across the whole batch.
Choose from 8 aspect ratios from 21:9 cinematic to 9:16 vertical, and let the adaptive canvas match the composition — then render drafts at 2K speed or finish at 4K.
One run returns up to 9 coordinated images that already look like a family. Keep the set, or re-roll only the frames that missed — at 30 credits per image, sets stay affordable.
The capabilities that make it the volume engine on Oddbeam:
Seedream 4.0 was the first model to generate coordinated sets in a single pass — every output holds the same cast, wardrobe, and composition logic, so a product line or storyboard arrives as a family, not nine strangers.
Built on ByteDance's MoE architecture with adversarial distillation, a 2K image lands in roughly 1.8 seconds — iteration happens at the pace of a conversation, not a coffee break.
Characters, products, and brand visuals each get pinned by a reference image, and the model keeps them stable across the entire batch — the fix for identity drift is applied at the input, not in post.
Seedream 4.0 handles knowledge-dense layouts — statistics charts, tables, formulas, chemistry structures, and infographic annotations — which makes it usable for courseware and explainers, not just aesthetics.
Eight aspect ratios from 21:9 to 9:16 adapt to what the scene needs instead of forcing a crop, and output scales to 4K for print-ready deliverables at the same 30-credit rate.
How teams put the nine-image run to work.
A seasonal drop used to mean briefing nine separate product shots. Now one run with 6 references gives us a matched set, and the Unlimited plan's free generations make daily drops routine.
Ecommerce Visual Lead
DTC Brand
I pin the logo and the mascot once and get nine coherent brand assets back. The character consistency across the batch is what sold our art director on it.
Brand Designer
Design Studio
Storyboard frames, thumbnail variants, A/B creative — the 1.8-second 2K speed means we explore five directions before a client call instead of after it.
Content Studio Owner
Social Agency
A seasonal drop used to mean briefing nine separate product shots. Now one run with 6 references gives us a matched set, and the Unlimited plan's free generations make daily drops routine.
Ecommerce Visual Lead
DTC Brand
I pin the logo and the mascot once and get nine coherent brand assets back. The character consistency across the batch is what sold our art director on it.
Brand Designer
Design Studio
Storyboard frames, thumbnail variants, A/B creative — the 1.8-second 2K speed means we explore five directions before a client call instead of after it.
Content Studio Owner
Social Agency
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Brief the set, pin your references, and let Seedream 4.0 return a matched family of images — 2K in seconds, 4K when it ships.