Seedream 4: Ultra-Fast 4K AI Image Generation

Name: SeedDream 4
Author: ByteDance

1.8s at 2K: Generation speed
Up to 4K: Resolution
Up to 10: Reference images
Up to 15: Images per request

Overview

About SeedDream 4

Seedream 4.0, released by ByteDance in September 2025, set a new benchmark for production-speed AI image generation. Its Diffusion Transformer (DiT) architecture with 12 billion parameters generates native 2K images in approximately 1.8 seconds (more than 10x faster than Seedream 3.0) while supporting 4K ultra-high-definition output for when maximum resolution is needed. That combination of speed and scale makes Seedream 4.0 the model of choice for creative teams running high-volume output: campaign batches, marketplace listings, variant sets, and rapid concept exploration where waiting 30 seconds per image breaks the creative loop. Beyond speed, Seedream 4.0 introduced a genuinely unified generation-and-editing architecture. The same model that creates images from text also handles virtual try-ons, background replacement, object removal, unwanted-text cleanup, and multi-image composition. Inputs can be text alone, images alone, or any combination, allowing for complex multi-image assembly workflows entirely within one pipeline. The visual reasoning capability adds a practical dimension for annotated diagrams, infographics, and layout-aware content: the model understands spatial relationships, text placement hierarchies, and compositional logic rather than treating every element as an independent texture. For marketing and product teams producing at volume, Seedream 4.0 compresses what used to be a multi-tool workflow into a single, fast model.

Real prompts

Prompts behind these SeedDream 4 images

Actual prompts from SeedDream 4 renders by the Masonry community. Copy any prompt, then remix it into your own creation.

A serene lifestyle portrait of a woman seated cross-legged in a meditative lotus pose on a patterned woven rug inside a warm, thoughtfully decorated interior. She wears a soft pink sports bra and matching relaxed jogger pants, creating a harmonious monochrome look that reinforces calm and balance. Her posture is upright and grounded, shoulders relaxed, hands resting gently on her knees with palms open in a meditative mudra. Her eyes are closed, facial expression peaceful and centered, conveying mindfulness and inner stillness. Her natural curly hair frames her face loosely, adding softness and authenticity. She wears layered necklaces, including delicate chains and crystal pendants, along with a subtle choker, enhancing the spiritual, bohemian aesthetic. Tattoos on her arms add individuality and modern character. Surrounding her on the floor are carefully placed crystal formations—amethyst, quartz, and pastel-toned pyramids—arranged symmetrically to suggest energy balance and intentional ritual. Behind her, a wooden sideboard anchors the scene, topped with a small Buddha statue and decorative objects. The wall displays hanging crystal points and geodes in varying shapes and colors, reinforcing a holistic, wellness-focused environment. Potted plants and natural textures soften the space. Lighting is natural and diffused, likely from a nearby window, producing gentle shadows and a warm, inviting atmosphere. The color palette blends blush pinks, warm wood tones, muted purples, and soft neutrals. Shot at eye level with a centered, symmetrical composition, shallow depth of field, high realism, lifestyle wellness photography, no text, no logos, no branding.
Remix

A cinematic portrait of a woman astronaut standing on the rocky surface of a distant planet, beneath a pale sky tinted with faint atmospheric haze. The landscape stretches endlessly behind her — rugged terrain of sand, dust, and eroded stone, echoing the quiet desolation of alien worlds. She wears a futuristic evolution of a NASA-style spacesuit, sleek and advanced with matte white composite armor panels, metallic seams, and soft gold luminescent trims integrated into the fabric. The helmet’s clear visor reflects the horizon’s subtle glow, while translucent HUD graphics flicker faintly across its surface. Her expression is calm, determined, and introspective, capturing the weight of isolation and discovery. Fine dust drifts in the air around her boots, illuminated by soft, golden sunlight breaking through the thin atmosphere. The lighting is cinematic and naturalistic, blending warm highlights with cool blue shadow tones that create depth and emotional realism. In the distance, the outline of a futuristic landing craft gleams faintly, its lights shimmering through the dust — a silent reminder of humanity’s reach across the stars. The scene conveys a Gravity-meets-Interstellar tone: grounded realism infused with advanced design and quiet grandeur. Style: Futuristic cinematic realism, high-detail sci-fi portrait Lighting: Natural sunlight with soft atmospheric haze and rim glow Mood: Solitary, awe-inspiring, elegant, emotionally resonant Camera angle: Mid-frame eye-level portrait, shallow depth of field for dramatic focus
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Dynamic low-angle fashion portrait of a confident young man standing outdoors under a bright blue sky with scattered clouds. He wears pastel peach cargo pants paired with an open short-sleeve shirt in shades of pink and orange, revealing his toned torso and tattoos. The upward perspective emphasizes power and presence, while the vibrant colors contrast dramatically with the sky, creating a bold, modern editorial look. Perfect for streetwear campaigns, youth fashion branding, and contemporary lifestyle imagery.
Remix

A close-up portrait of a young woman on an outdoor basketball court, bathed in warm natural sunlight. She has dewy, glowing skin with soft freckles, light makeup, and slightly parted lips. Her hair is tied back neatly, with a few loose strands framing her face. A basketball is positioned close to her cheek, dominating part of the foreground and adding texture contrast to her smooth skin. The lighting creates gentle shadows and highlights across her face, emphasizing her natural features and sporty confidence. Shot with a shallow depth of field and cinematic color grading for a modern, lifestyle aesthetic.
Remix

A steaming bowl of freshly prepared Maggi noodles with curly, golden-yellow strands glistening under warm ambient light. The noodles are lightly coated in a glossy, savory sauce with hints of spice, their texture appearing soft yet springy. Small bits of finely chopped vegetables — green chilies, onions, and tomatoes — add pops of color and freshness throughout. The dish is garnished with freshly chopped coriander leaves, a drizzle of soy sauce, and a few drops of chili oil for visual contrast. The bowl, rustic and ceramic with earthy tones, rests on a neatly folded beige linen napkin placed over a weathered wooden table, enhancing the homely, organic atmosphere. Wisps of steam rise gracefully from the noodles, subtly twisting upward into the air, suggesting heat and freshness. Around the bowl, scattered sprigs of herbs, a few slices of crusty bread, and a wooden spoon add authenticity and warmth. Soft, diffused lighting from the side casts gentle highlights on the noodles and delicate shadows on the table, evoking the golden glow of late afternoon. The overall mood is cozy, inviting, and nostalgic — a comforting homemade meal captured in perfect detail, ideal for illustrating home-cooked comfort food, Indian-style quick meals, or cozy kitchen moments.
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a stylish person posing confidently against a muted green studio backdrop. They are dressed in a sharp, tailored gray pinstripe suit with a double-breasted blazer and matching wide-leg trousers. Underneath, they wear a light blue dress shirt with the collar slightly open and a colorful striped tie worn loosely for a relaxed, modern look. The person accessorizes with dark sunglasses, black leather loafers, and a large textured black leather duffel bag held in one hand. Their wavy, shoulder-length dark hair and neutral expression add to the composed, fashion-forward aesthetic. The lighting is soft and even, emphasizing the outfit’s structure and texture, giving the overall scene a refined, editorial feel that blends classic menswear-inspired tailoring with contemporary minimalism.
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a man outdoors in a cold, mountainous environment, dressed in technical winter gear. He is wearing a dark gray waterproof jacket with taped seams, multiple zippers, and orange accent details, giving it a sleek, high-performance look. A dark knit beanie covers his head, and he has a neatly groomed beard. The jacket includes reinforced sleeves and pockets, and he is carrying a backpack with visible shoulder straps, suggesting he’s prepared for outdoor activity such as hiking or mountaineering. The background features blurred rocky terrain with patches of snow, emphasizing the cold and rugged setting. The lighting is soft and natural, highlighting the texture of his clothing and the moisture on its surface. The overall atmosphere conveys resilience, focus, and adventure in a harsh winter landscape.
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a woman posing against a plain light background, styled in an elegant and minimal fashion. She is wearing a black, deep V-neck top with slightly puffed shoulders, giving her outfit a sophisticated silhouette. Her dark, straight hair is parted in the middle and tucked neatly behind her ears, complementing her polished appearance. The main focus is on her accessories with layered gold necklaces featuring small pendants and hoops earrings that match in tone. Her makeup is natural and refined, emphasising a smooth complexion, neutral lips, and well-groomed brows. The lighting is soft and even, highlighting her features with a gentle glow. The overall mood is poised, confident, and modern — fitting for a beauty, fashion, or jewellery editorial portrait.
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a visually striking arrangement of luxury makeup products with brand name Kylie Cosmetics displayed against a warm, monochromatic background in shades of peach, coral, and rose gold. The setup includes lipsticks, foundation or serum bottles, a compact blush, and cream containers — all housed in sleek black and metallic coral packaging. The products are artfully placed among geometric blocks and curved shapes in matching tones, creating a modern, sculptural composition. Soft, diffused lighting enhances the smooth textures and rich colors, producing a polished, high-end aesthetic. The overall mood is elegant and contemporary, evoking themes of beauty, sophistication, and design harmony

Remix

A surreal cinematic scene set inside a vast, abandoned gothic cathedral with towering stone arches, cracked walls, and tall stained-glass windows diffusing cold, misty daylight. Suspended in mid-air at the center of the nave is a bright orange sports car, lifted by heavy chains and a metal hoist frame attached to the vaulted ceiling. The car hangs perfectly horizontal, emphasizing tension and impossibility. Moss, vines, and creeping vegetation reclaim the ancient stone interior, while puddles on the cracked stone floor reflect the cathedral’s architecture and the floating vehicle above. The contrast between the modern, glossy supercar and the decaying medieval environment creates a striking visual juxtaposition. Lighting is soft but dramatic, with volumetric light rays cutting through dust and fog, evoking a mood of mystery, surrealism, and post-apocalyptic elegance. Highly detailed, cinematic realism with a dark, contemplative atmosphere.
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Use the images as a reference and make a fit, athletic adult 26 year old Indian male athlete looking man wearing the tank t-shirt running alone down a quiet city street during early morning golden hour. He is wearing a sleeveless blue athletic top, beige running shorts, and modern running shoes. The runner is centered in the frame, captured mid-stride with a focused, determined expression. Warm sunlight filters through leafy trees lining the street, creating soft lens flare and long shadows on the pavement. Urban buildings with classic architecture appear slightly blurred in the background, suggesting motion and depth. The scene feels energetic, healthy, and motivational. Shot at eye level with a shallow depth of field, natural light, realistic color grading, high-resolution, commercial fitness photography style.
Remix

A striking close-up portrait of a vividly colored lizard perched on a textured rock, captured at eye level with shallow depth of field. The reptile features an extraordinary gradient of saturated hues—electric blue scales along the body, fiery orange and red tones on the head and limbs, and subtle purple transitions across the neck and torso. Fine scale textures are sharply detailed, with glossy highlights catching the light. One large, reflective eye is in crisp focus, conveying alertness and curiosity. The background fades into a dark, softly blurred gradient, isolating the subject and enhancing contrast. Lighting is dramatic yet controlled, emphasizing color vibrancy and surface detail. The overall mood is bold, exotic, and visually arresting, ideal for wildlife art, fantasy realism, or high-end digital illustration.
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a realistic Vogue magazine cover–style fashion portrait using the uploaded face as the original face reference (100% face identity preservation). A young elegant woman posing confidently, maintaining her original facial features and natural beauty. She is winking with her left eye and making a playful duck-face expression. Both hands are raised, forming a love/heart gesture near her face. She is surrounded by multiple DSLR cameras and smartphones held around her, as if paparazzi and photographers are capturing her from all directions. Some phones show her live image on their screens. Appearance & styling: flawless glowing skin, natural makeup with glossy pink lips, soft blush, subtle highlights. Light brown hair styled in a low, neat updo with a few loose strands. Outfit & accessories: elegant minimalist beige-white strapless evening dress, Louis Vuitton necklace, diamond ring, luxury fashion jewelry. Photography style: close-up to half-body fashion portrait, Vogue editorial aesthetic, cinematic professional studio lighting, soft HDR background, shallow depth of field, realistic skin texture, ultra-detailed, 8K quality. Camera & lens look: professional DSLR look, 85mm lens feel, f/1.8 aperture, crisp focus with smooth background bokeh. Composition: Vogue magazine layout with large bold logo at the top, editorial fashion cover framing, clean and elegant design. Mood & vibe: playful yet luxurious, high-fashion beauty editorial, realistic, not AI-looking, photographed by a professional fashion photographer.
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A close-up wildlife portrait of a majestic stag standing still in a snowy forest during active snowfall. The deer faces the camera directly, with large symmetrical antlers coated in fresh snow, creating a striking and powerful composition. Its fur is a rich warm brown, lightly dusted with snowflakes, contrasting against the soft white foreground and cool gray-blue background. The background features blurred winter trees with shallow depth of field, producing a dreamy, atmospheric bokeh effect. Lighting is soft and diffused, typical of overcast winter conditions, emphasizing fine details in the fur, antlers, and snow texture. The mood is calm, serene, and slightly dramatic, evoking wilderness, nature, and seasonal beauty. Shot at eye level with a centered composition, high realism, no text, ideal for commercial wildlife, winter, or holiday-themed stock imagery.
Remix

a striking close-up portrait showcasing a woman’s ear adorned with an elegant pair of long, luxurious earrings. The earrings feature a geometric design made up of rectangular and oval-cut clear gemstones that cascade downward, ending with two vivid blue rectangular gemstones that add a bold pop of color. The lighting is dramatic and directional, highlighting the texture and sheen of the skin as well as the brilliant sparkle and clarity of the gemstones. The subject’s hair is sleeked back tightly, creating a clean and sculptural look that draws full attention to the jewelry. The overall aesthetic is sophisticated and high-fashion, exuding modern glamour and refined luxury.
catalog earrings
Remix

Browse the full gallery

Why teams choose SeedDream 4

Seedream 4.0 is the right model when throughput is the primary constraint. Its 1.8-second 2K generation speed means a 15-image batch completes in under half a minute, faster than most creative reviews. The 12-billion-parameter architecture maintains quality at that pace, capturing style, context, and spatial relationships with enough precision that outputs land close to production-ready rather than requiring extensive rework. The unified pipeline, with generation, editing, try-on, and composition all in one model, removes the tool-switching overhead that accumulates in high-volume creative workflows. For teams producing hundreds of assets per week, that operational consolidation compounds into meaningful time savings.

Capabilities

What SeedDream 4 can do

The capabilities that set SeedDream 4 apart and earn its place in a brief

1.8-Second 2K Generation

Generates native 2K images in approximately 1.8 seconds and supports 4K output for maximum detail, over 10x faster than Seedream 3.0 and fast enough for real-time creative iteration without breaking concentration or workflow rhythm.

Unified Generation and Editing

One model handles text-to-image creation, image-to-image translation, virtual try-ons, object removal, background replacement, unwanted-text cleanup, and multi-image composition, eliminating handoffs between separate generation and editing tools.

12-Billion-Parameter Visual Reasoning

The 12-billion-parameter architecture understands spatial relationships, compositional logic, and text placement hierarchies, not just pattern matching. It can follow complex layout instructions, assemble multi-element scenes accurately, and reason through visual puzzles in a way that benefits annotated and diagram-heavy creative work.

Batch Campaign Production

Generate a coordinated batch in a single pass of up to 15 images per request (reference inputs and outputs combined), the fastest route to a complete on-brand campaign asset set, from hero image through social variants, with consistent visual identity throughout.

Multi-Mode Input Flexibility

Accepts text, images, or any combination as input, enabling single-image editing, multi-image composition, and reference-driven generation, all without changing models or switching between services.

Commercial-Grade Speed for High-Volume Output

1.8-second per-image generation turns large batch jobs (50-image marketplace listings, 20-variant ad creative sets, multi-locale campaign imagery) from overnight queues into same-session tasks, supporting production schedules that traditional AI generation timelines cannot match.

Use cases

Where teams reach for SeedDream 4

High-volume e-commerce product photography across large SKU catalogs
Virtual try-on for fashion and apparel brands
Rapid concept iteration and creative exploration during campaign development
Batch generation of social and display ad variants from a single brief
Multi-image assembly for scene compositing and product-in-context imagery
Background replacement and object removal as part of an existing asset workflow
Annotated diagrams and infographic imagery requiring layout-aware generation
Campaign shoots requiring consistent model identity across multiple garment SKUs

Signature strengths

What sets SeedDream 4 apart

The strengths teams reach for, shown on real renders.

Blazing Fast Iteration

Generate 2K images in 1.8 seconds, over 10x faster than its predecessor, so creative teams can explore dozens of variants in the time it takes competitors to produce a few.

Batch Campaign Production

Generate a coordinated batch in a single request of up to 15 images total (references plus outputs), the fastest way to produce a complete set of on-brand campaign assets at scale.

Unified Generation and Editing

One model handles text-to-image creation, virtual try-ons, background replacement, object removal, and text cleanup, eliminating the need for separate tools in your production workflow.

Explore related categories

Browse adjacent categories and creative directions teams are exploring

FAQ

Frequently asked questions

What teams need to know about creating with SeedDream 4 in Masonry

How fast is Seedream 4.0 compared to other AI image models?

Seedream 4.0 generates native 2K images in approximately 1.8 seconds, over 10x faster than Seedream 3.0 and substantially faster than most competing models at equivalent quality. At 4K resolution generation takes longer, but the 2K speed is what makes high-volume batch production practical in a single working session rather than an overnight queue.

What is the maximum batch size Seedream 4.0 can produce in one request?

Seedream 4.0 caps the total images per request (reference inputs plus generated outputs) at 15, and accepts up to 10 reference images as input. For a campaign team, this means supplying a brief and a handful of reference assets and receiving a full variant set (hero, lifestyle, detail, and social formats) in a single pass, rather than queuing individual generations.

How does Seedream 4.0's visual reasoning differ from standard image generation?

Most image models pattern-match from prompts to pixel distributions. Seedream 4.0's 12-billion-parameter architecture incorporates commonsense reasoning, meaning it understands spatial relationships, compositional logic, and layout hierarchies. This is practically useful for annotated diagrams, infographic-style imagery, and complex scene assembly, outputs where element placement and relative scale matter, not just overall aesthetics.

What editing operations can Seedream 4.0 perform within its unified pipeline?

Seedream 4.0 handles virtual try-on (placing reference garments on a model), background replacement, object removal, unwanted-text cleanup, image-to-image translation, and multi-image composition. All of these run in the same model as text-to-image generation, so you do not need a separate editing service or upload workflow. For production teams, this eliminates the tool-switching overhead that accumulates across a high-volume project.

How does Seedream 4.0 compare to Seedream 4.5, and which should I use?

Seedream 4.0 is optimized for speed and throughput, the right choice when you need large volumes of good-quality images fast. Seedream 4.5 is the refined quality version, with better lighting, more accurate typography at scale, and expanded editing features (including inpainting and outpainting). Both accept up to 10 reference images. If your primary constraint is time-to-asset, choose 4.0; if it's final output quality for hero creative, choose 4.5.

Can Seedream 4.0 be used for virtual try-on in fashion e-commerce?

Yes. Seedream 4.0 can place reference garments onto a model with accurate spatial and lighting integration, making it practical for apparel e-commerce where producing on-model photography for every SKU is cost-prohibitive. The multi-reference input support means you can supply both the garment image and a model reference, and the model composes them coherently. For character consistency across a full lookbook, supply the model reference as a locked input across the batch.

Does Seedream 4.0 support multi-image input for complex scene assembly?

Yes. Seedream 4.0 accepts text, images, or any combination as input. You can supply multiple product images, a background reference, and a lighting reference simultaneously, and the model assembles them into a composed scene. This is useful for product-in-context imagery, lifestyle composites, and multi-element advertising scenes where the source assets exist but need to be combined rather than generated from scratch.

How does Seedream 4.0 compare to Nano Banana models for high-volume creative production?

Seedream 4.0 and Nano Banana models occupy adjacent performance tiers. Seedream 4.0's comparative strength is its unified generation-and-editing pipeline (one model handles the full workflow) and its batch throughput of up to 15 outputs per request. Nano Banana models typically offer different stylistic flexibility trade-offs. For teams that need both generation and editing in one model without managing separate services, Seedream 4.0's pipeline integration is a meaningful operational advantage.

Is Seedream 4.0 output cleared for commercial use?

On paid Masonry plans, Seedream 4.0 outputs are available for commercial use including advertising, marketing materials, e-commerce imagery, and brand assets. ByteDance's model usage terms govern the underlying generation. As with all AI-generated commercial assets, particularly those depicting identifiable individuals, appropriate legal review for the specific use case is advisable before publication.

What resolution does Seedream 4.0 support and when does 4K make sense?

Seedream 4.0 supports native output up to 4K (4096×4096). The 2K mode at 1.8 seconds per image is suitable for digital advertising, social media, and web use cases where screen pixel density is the limiting factor. 4K mode is appropriate for print applications (packaging, large-format banners, point-of-sale materials) where physical reproduction quality demands higher native resolution. For a typical campaign workflow, generating concepts at 2K and only rendering finals at 4K is an efficient approach.

What is SeedDream 4?

SeedDream 4 is an AI image generation model from ByteDance, available inside Masonry, the AI creative agent teams use to produce marketing, product, and brand images.

How does my team use SeedDream 4 in Masonry?

Open a Masonry canvas, pick SeedDream 4 from the model selector, and describe the image you need: a product shot, an ad creative, a social post. Masonry generates it, then you refine, edit, and combine SeedDream 4 with other models in one workspace.

Is SeedDream 4 free to try?

Yes, you can start generating images with SeedDream 4 on Masonry's free tier, then scale up with higher limits and priority processing as your team grows.

How do I write good prompts for SeedDream 4?

Seedream 4 rewards specific, structured prompts. Lead with the subject, then describe lighting, camera, and background separately, and use its editing mode to refine a result instead of re-rolling from scratch. See the prompt gallery on this page for real SeedDream 4 prompts you can copy and adapt.

Who makes SeedDream 4?

SeedDream 4 is built by ByteDance. Inside Masonry it runs alongside 50+ image and video models, so your team can pick the right one for each brief without switching tools.

Can I see examples made with SeedDream 4?

Yes, the prompt gallery on this page shows real images teams have generated with SeedDream 4 in Masonry, each paired with the exact prompt you can copy and adapt for your own brand.

Start creating with SeedDream 4

Generate, edit, and compare across 50+ models in one workspace.

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Guides for SeedDream 4

Prompt walkthroughs and examples from the Masonry blog

Best Tools to Generate Images in Claude Code (2026): CLIs, Skills, and MCP Servers Compared How to Prompt AI Image Models: A Tested, Model-by-Model Guide (2026)

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