Seedream 4.0 vs Stable Diffusion 3.5 Large

Head-to-head across 10 challenges

Seedream 4.0

57.1%

win rate

Ties

0.0%

Stable Diffusion 3.5 Large

42.9%

win rate

57.1% 0.0% ties 42.9%

Challenge Results

Geometric Composition

Text-to-Image

“A glass cube on a wooden table. Inside the cube is a small blue sphere. On top of the cube sits a red book. A green plant is behind the cube, partially visible through the glass. Soft window light from the left.”

Seedream 4.0
Stable Diffusion 3.5 Large
67% wins 0% ties 33% wins

AI Judge Analysis

Seedream 4.0

  • + Perfect adherence to the spatial prompt with the book on top and sphere inside.
  • + Excellent rendering of light and reflections, especially the caustic light on the table.
  • + Photorealistic textures on the wooden table and paper edges of the book.
  • The plant is more 'inside' the cube than 'behind' it due to the visual overlap.
  • The bottom of the cube has a mirror-like surface not explicitly requested.

Stable Diffusion 3.5 Large

  • + Sharp, clean rendering of the glass edges.
  • + Correct placement of the plant behind the cube.
  • + High resolution and clear textures.
  • Failed spatial instruction: the book is inside the cube and the sphere is on the book, rather than the book being on top.
  • The sphere appears to be floating unnaturally above the book.
  • The glass cube is physically clipping through the book at the front.

Verdict: Seedream 4.0 followed all spatial instructions perfectly, placing the red book on top of the glass cube and the sphere inside. Stable Diffusion 3.5 Large failed the prompt's logic by putting the book inside the cube and also suffered from significant clipping issues where the glass edges merge into the book.

Candid Street Photography

Text-to-Image

“A candid street photo of an elderly Japanese man repairing a red bicycle in light rain, reflections on wet pavement, shallow depth of field, 50mm lens, natural skin texture, imperfect framing, motion blur from passing cars, cinematic but realistic, no stylization.”

Seedream 4.0
Stable Diffusion 3.5 Large
100% wins 0% ties 0% wins

AI Judge Analysis

Seedream 4.0

  • + Excellent adherence to technical prompts like 'motion blur from passing cars' and 'shallow depth of field'.
  • + Highly realistic skin texture and proportional human anatomy.
  • + Bicycle mechanical details (chain, derailleur, pedals) are more logically grounded than the competition.
  • The rain effect is very subtle, almost unnoticeable compared to Model B.
  • Slightly messy composition with various tools scattered on the ground.

Stable Diffusion 3.5 Large

  • + Strong atmospheric presence with visible rain streaks and vibrant reflections.
  • + Dynamic lighting and color contrast make the red bicycle stand out.
  • + Captures the 'candid' and 'cinematic' feel requested in the prompt.
  • Anatomy issues, specifically with the subject's elongated and distorted left arm/hand.
  • Failed to incorporate the requested motion blur for passing vehicles.
  • The bicycle frame geometry is physically impossible near the pedals.

Verdict: Seedream 4.0 followed the technical requirements of the prompt much more accurately, successfully including motion blur and a realistic shallow depth of field. While Stable Diffusion 3.5 Large created a more atmospheric and visually striking environment, it suffered from significant anatomical distortions in the subject's arms and failed the motion blur instruction. Seedream 4.0 is the winner for its superior realism and adherence to the specific photography-style constraints.

Modern Clean Menu

Text-to-Image

“Modern minimalist restaurant menu design, white background with colorful food photos in grid, sections for appetizers/pizza/mains, bold sans-serif fonts, vibrant accents, clean professional layout for casual dining.”

Seedream 4.0
Stable Diffusion 3.5 Large
33% wins 0% ties 67% wins

AI Judge Analysis

Seedream 4.0

  • + Perfect text rendering of the requested section headers
  • + High-quality, realistic food photography
  • + Cleaner, simpler layout that adheres to 'minimalist' prompt
  • Lacks actual menu items or prices, feeling more like a mood board than a functional menu
  • Layout is slightly disjointed with large empty white spaces

Stable Diffusion 3.5 Large

  • + Comprehensive layout that looks like a real functional menu
  • + Excellent use of a grid system for food photos
  • + Sophisticated vertical design with clear categorizations
  • Numerous spelling errors in headings ('APPETIZRS', 'MAIMAES', 'PIZETZA')
  • Supporting text is mostly gibberish or AI-artifacts

Verdict: Seedream 4.0 produces a very clean layout with perfect spelling and high-quality photography, but it fails to include actual menu content, appearing more like a collage. Stable Diffusion 3.5 Large creates a much more impressive and professional menu structure with a great grid layout, though it suffers from significant spelling errors and garbled smaller text. Stable Diffusion 3.5 Large is the preferred choice as it captures the 'design' and 'layout' aspects of the prompt much more effectively.

Isometric Miniature Diorama Scenes

Text-to-Image

“Create a clear, 45° top-down isometric miniature 3D cartoon scene of Japan's signature dish: sushi, with soft refined textures, realistic PBR materials, gentle lighting, on a small raised diorama base with minimal garnish and plate. Solid light blue background. At top-center: 'JAPAN' in large bold text, 'SUSHI' below it, small flag icon. Perfectly centered, ultra-clean, high-clarity, square format.”

Seedream 4.0
Stable Diffusion 3.5 Large
33% wins 0% ties 67% wins

AI Judge Analysis

Seedream 4.0

  • + Perfect text rendering and placement as requested.
  • + Clean isometric 45° perspective with a professional diorama feel.
  • + Accurate sushi anatomy and high-quality material textures.
  • The 'diorama base' is a slightly flat plate rather than a thick base.

Stable Diffusion 3.5 Large

  • + Excellent 3D miniature diorama base with depth.
  • + Great lighting and vibrant cartoon-style materials.
  • + Followed the flag and text prompts reasonably well.
  • The text is placed on an in-scene flag rather than top-center as requested.
  • The 'Japan' and 'Sushi' text are on the same flag, ignoring the 'below it' layout instruction.
  • The sushi pieces have some clipping issues and odd scale proportions.

Verdict: Seedream 4.0 followed the layout and text instructions perfectly, placing the bold text at the top-center of the frame and maintaining a very clean isometric perspective. Stable Diffusion 3.5 Large interpreted the text as part of the 3D scene on a flag, which missed the specific layout request, and the sushi models are less realistic than the competitors.

Adorable Baby Animals in Sunny Meadow

Text-to-Image

“Hyper-photorealistic scene of fluffy baby animals—a golden retriever puppy, tabby kitten, baby bunny, and red fox kit—with big expressive eyes and ultra-detailed soft fur, playfully chasing butterflies and tumbling together in a lush wildflower meadow, warm golden sunrise light with god rays and dew sparkles, joyful wholesome vibe, 8K masterpiece.”

Seedream 4.0
Stable Diffusion 3.5 Large
100% wins 0% ties 0% wins

AI Judge Analysis

Seedream 4.0

  • + Perfectly includes all requested animals: retriever, kitten, bunny, and fox.
  • + Exceptional dynamic posing that feels like they are 'tumbling' and 'chasing' as requested.
  • + Stunning lighting effects with clear god rays and shimmering dew drops.
  • The fox kit has a slightly more stylized, high-saturation look than the other animals.
  • Some minor anatomical ambiguity where the kitten's hind legs meet the grass.

Stable Diffusion 3.5 Large

  • + Very cute facial expressions and soft fur textures.
  • + Clean composition with a clear focus on the puppy's face.
  • Failed to include a tabby kitten, providing a second ginger cat/fox-like creature instead.
  • The poses are static and uniform (running forward) rather than the requested 'tumbling' and 'chasing' interaction.
  • The lighting lacks the specific 'god rays' effects requested.

Verdict: Seedream 4.0 followed the prompt much more accurately, successfully depicting all four distinct animal species interacting dynamically. Stable Diffusion 3.5 Large missed the specifically requested tabby markings on the kitten and opted for a simpler 'running toward camera' composition that lacked the playful tumbling suggested in the prompt.

Victorian Greenhouse Oasis

Text-to-Image

“Hyper-photorealistic interior of a lush Victorian glass greenhouse filled with exotic tropical plants, vibrant blooming orchids, tall ferns, colorful butterflies in flight, sunlight filtering through ornate glass roof creating realistic caustics and dew on leaves, intricate iron framework visible, misty atmosphere, 8K masterpiece.”

Seedream 4.0
Stable Diffusion 3.5 Large
25% wins 0% ties 75% wins

AI Judge Analysis

Seedream 4.0

  • + Excellent depiction of dew drops on the leaves as requested.
  • + Realistic misty atmosphere with strong god-rays and caustics.
  • + Highly detailed and intricate Victorian ironwork on the roof.
  • The butterflies appear somewhat flat and pasted-on compared to the background.
  • Limited depth of field makes the background very blurry.

Stable Diffusion 3.5 Large

  • + Very accurate and well-integrated butterflies throughout the scene.
  • + Stronger sense of a cavernous, architectural space.
  • + Clean, sharp details across the entire frame.
  • Lacks the specific 'dew on leaves' detail mentioned in the prompt.
  • The 'mist' feels more like a general haze rather than a volumetric atmosphere.

Verdict: Seedream 4.0 follows the fine details of the prompt more closely, specifically capturing the requested dew on the leaves and the intricate textures of the ironwork. Stable Diffusion 3.5 Large offers a cleaner, wider composition with better integrated butterflies, but misses out on the specific surface details like dew and caustics that enhance the realism of the first image.

Heroic Super Hero Portrait

Text-to-Image

“Hyper-photorealistic full-body portrait of a female superhero standing triumphantly on a New York skyscraper rooftop at golden sunset, wearing a classic modest superhero costume with flowing cape, chest emblem, gloves, and boots in red and blue colors, practical design, short hair, strong determined heroic expression looking into the distance, powerful confident stance with hands on hips and cape billowing dramatically in the wind, detailed urban cityscape background, warm natural sunlight with sharp shadows and fabric highlights, ultra-sharp textures on suit, hair, and concrete, 8K masterpiece, empowering family-friendly style.”

Seedream 4.0
Stable Diffusion 3.5 Large
100% wins 0% ties 0% wins

AI Judge Analysis

Seedream 4.0

  • + Adheres perfectly to the requested 'hands on hips' pose.
  • + Excellent cinematic lighting and integration with the golden hour sunset.
  • + Highly realistic skin texture and natural-looking short hair.
  • The chest emblem is a direct copy of the Superman logo, which may lack original creativity.
  • The boots have a slightly soft, painterly texture compared to the rest of the suit.

Stable Diffusion 3.5 Large

  • + High level of detail in the urban cityscape background.
  • + The suit texture is vibrant with a polished, metallic finish.
  • + Good interpretation of a custom superhero emblem.
  • Failed to follow the 'hands on hips' pose requirement, placing arms at the sides.
  • The character's lighting feels slightly disconnected from the background sunset.
  • The scale of the character relative to the ledge and the city feels slightly unnatural.

Verdict: Seedream 4.0 is the clear winner as it followed all prompt instructions, specifically the 'hands on hips' pose which Stable Diffusion 3.5 Large ignored. Seedream 4.0 also produced a more cohesive and realistic image with superior lighting and a more natural human subject, whereas Stable Diffusion 3.5 Large felt more like a digital composite.

Intricate Floral Mandala

Text-to-Image

“Perfectly symmetrical mandala made entirely of real flowers, petals, leaves, fruits, and seeds in vibrant natural colors, intricate layered patterns with radial symmetry, top-down view on a soft neutral background, hyper-detailed organic textures and subtle shadows, photorealistic, 8K masterpiece.”

Seedream 4.0
Stable Diffusion 3.5 Large
100% wins 0% ties 0% wins

AI Judge Analysis

Seedream 4.0

  • + Excellent photorealistic textures of leaves, fruits, and seeds
  • + Captures the requested 'organic' feel perfectly
  • + Strong use of realistic shadows and depth
  • Lacks perfect geometric symmetry in the outer elements
  • Composition feels slightly clustered rather than a clean mandala
  • Center detail is a bit muddled/blurry

Stable Diffusion 3.5 Large

  • + Achieves near-perfect radial symmetry
  • + Very clean and vibrant color palette
  • + Clearer inclusion of diverse elements like nuts, seeds, and fruit slices
  • Looks like a digital illustration or vector art rather than 'photorealistic'
  • Textures appear smooth and plastic-like compared to real organic matter
  • Lighting is flat and lacks the 'subtle shadows' requested

Verdict: Seedream 4.0 followed the 'photorealistic' and 'organic textures' part of the prompt much better, resulting in a piece that looks like a real physical arrangement. However, Stable Diffusion 3.5 Large far outperformed in terms of 'perfectly symmetrical' and 'intricate layered patterns', though it failed to achieve a realistic photographic look. Seedream 4.0 is the preferred winner because its textures and lighting feel much more high-end and true to the prompt's request for a masterpiece of organic matter.

Vintage Cafe Logo

Text-to-Image

“Vintage minimalist restaurant logo for "Caffè Florian", retro cloche dome with steam and "Est. 1720" banner, classic typography, warm brown and cream tones, subtle texture on light background, vector emblem style.”

Seedream 4.0
Stable Diffusion 3.5 Large
40% wins 0% ties 60% wins

AI Judge Analysis

Seedream 4.0

  • + Perfect text rendering of 'Caffè Florian' and 'Est. 1720'.
  • + Excellent vector illustration style with clean lines and balanced composition.
  • + Very high visual quality with an appropriate subtle paper texture background.
  • The cloche shading is slightly more detailed than 'minimalist' might suggest, bordering on illustrative.

Stable Diffusion 3.5 Large

  • + Attains a more 'minimalist' flat vector style as requested.
  • + Good use of vintage background distressing and corner ornaments.
  • Misspelled the name as 'Cafféé Florian' with an extra 'e'.
  • The composition of the cloche is confusing; the lid appears to be floating high above the plate with a strange second heating element in between.
  • Text layout on the banner is cramped and less professional.

Verdict: Seedream 4.0 produced a professional, high-quality logo that perfectly captured the requested text and vintage aesthetic. Stable Diffusion 3.5 Large struggled with the text spelling and the logical structure of the cloche icon, resulting in a disconnected and cluttered design.

Apollo 11: Journey to Tranquility

Text-to-Image

“Create a clean, modern vector infographic poster about the Apollo 11 mission. NASA-inspired palette (navy, white, muted red, light gray). Flat-vector style, crisp lines, consistent iconography, subtle gradients only. Steps (stop at landing): 1. Launch (Saturn Vicon) 2. Earth Orbit (Earth + orbit ring icon) 3. Translunar (trajectory arc icon) 4. Lunar Orbit (Moon + orbit ring icon) 5. Descent (lunar module descending icon) 6. Landing (lunar module on the surface icon) Small supporting elements (minimal text): • Crew strip: three silhouette icons with only last names: Armstrong, Aldrin, Collins. • Landing site marker: Moon pin labeled "Tranquility" only. Layout constraints: generous margins, large readable labels, clean background with subtle stars. Vector-only, print-poster look, high resolution.”

Seedream 4.0
Stable Diffusion 3.5 Large
33% wins 0% ties 67% wins

AI Judge Analysis

Seedream 4.0

  • + Excellent adherence to the sequential 6-step structure requested.
  • + Text is highly legible with correct spelling of mission stages and astronaut names.
  • + Clean, flat-vector aesthetic that matches the 'modern infographic' request.
  • The lunar module icon for landing (step 6) is missing the ascent stage, appearing incomplete.
  • Red orbit rings are a bit clunky and overlap the planetary bodies awkwardly.

Stable Diffusion 3.5 Large

  • + Sophisticated NASA-inspired color palette and vintage technical illustration style.
  • + High level of visual detail in the lunar surface and spacecraft illustrations.
  • Failed to follow the requested 6-step chronological structure.
  • Text is mostly gibberish 'lorem ipsum' style characters rather than legible mission steps.
  • Inaccurate spacecraft representation, showing a space shuttle-type vehicle instead of the Saturn V.

Verdict: Seedream 4.0 followed the prompt's structural and content requirements perfectly, delivering a functional infographic with legible text and the correct 1-6 sequence. In contrast, Stable Diffusion 3.5 Large produced a visually dense 'technical' poster that failed almost all prompt instructions regarding specific steps, text content, and accurate historical spacecraft.

Seedream 4.0

ByteDance's image generation model with integrated text-to-image and image editing capabilities in a unified architecture, supporting up to 4K resolution

Stable Diffusion 3.5 Large

Stability AI's 8.1-billion parameter Multimodal Diffusion Transformer (MMDiT) text-to-image model featuring improved image quality, typography, complex prompt understanding, and resource-efficiency