Seedream 4

Seedream 4: ByteDance's State-of-the-Art Image Model

Seedream 4 is ByteDance's flagship AI image generation and editing model — a direct competitor to Google's Nano Banana that has consistently held a top spot on community image-quality leaderboards since its September 2025 launch. Available internationally through Dreamina (and as Jimeng inside China), Seedream 4 combines high-resolution generation with prompt-driven local editing in a single multimodal model.

The model targets professional creative work: photorealistic portraits, brand-consistent product imagery, character-stable storyboards, and large-format hero art at resolutions up to 4K. Seedream 4 is exposed through Dreamina's web app, the Doubao consumer assistant, the BytePlus ModelArk API for developers, and integrations on Replicate, fal.ai, and WaveSpeed.

Key Features

• High-fidelity generation. Photorealism, illustration, and stylized output at up to 4K with strong prompt adherence.
• Conversational editing. Targeted edits in plain English — change a subject's outfit, swap a background, restyle a scene — without losing identity or composition.
• Character & subject consistency. Maintain the same face, product, or asset across many generations for storyboard, comic, and ad workflows.
• Multi-image fusion. Blend reference images for style transfer, virtual try-on, and product mockups.
• Fast iteration. Designed for real-time creative loops; image generation is roughly 1.8s on Dreamina's hosted UI.
• Multilingual prompting. First-class support for Chinese and English; strong handling of typographic and cultural prompts.
• Developer access. Available via BytePlus ModelArk, Replicate, fal.ai, and WaveSpeed for production pipelines.

Ideal Use Case

Marketing and brand creative, e-commerce product imagery, character-consistent illustration sets, virtual try-on, storyboards and animatics, and any high-volume image pipeline where prompt adherence and fine-detail fidelity matter. Particularly strong for teams already on the ByteDance creative stack (CapCut, Doubao).

Why Use Seedream 4

Seedream 4 hits the same controllability/fidelity sweet spot as Nano Banana, with a different aesthetic personality and notably stronger handling of typography, packaging design, and East-Asian cultural prompts. It is also the most direct route to ByteDance's image-gen stack, which sits behind a substantial portion of TikTok-era creator tooling.

FAQ

Is Seedream 4 free? Free to use in the Dreamina web app with daily quota. Paid plans unlock higher resolution, faster queues, and commercial-use rights. API pricing is metered per image via BytePlus ModelArk and partner platforms.

How is Dreamina different from Jimeng? Same model, two product surfaces — Dreamina is the international brand, Jimeng is the Chinese-domestic product. Both run Seedream 4 under the hood.

Can I use the outputs commercially? Yes on paid plans; commercial rights vary by tier — check the Dreamina terms before publishing.

tl;dr

ByteDance's flagship AI image model — high-fidelity generation, conversational editing, character consistency, up to 4K. Free in Dreamina; metered via API for production workflows.

Related

Looking for more options? Browse the AI Art & Image Creation directory or read our best AI image generators listicle. Seedream 4 is also tracked on Crunchbase.