Seedream 4.0 ByteDance vs Z-Image Turbo Alibaba

Seedream 4.0

• + Perfect adherence to spatial prompts, placing the plant clearly behind the cube.
• + Highly realistic light caustic effects on the table.
• + Superior rendering of glass transparency and reflections.

• − The plant is slightly more integrated into the cube's volume than behind it in some areas.

Z-Image Turbo

• + Clear distinction between the foreground objects and the background plant.
• + Good color saturation on the red book and blue sphere.

• − The glass cube lacks realistic thickness and proper refractions compared to Image A.
• − The perspective of the cube's base feels slightly mismatched with the tabletop.

Seedream 4.0

• + Captures the 'repairing' action perfectly with the subject interacting with tools and the bike chain.
• + Successfully incorporates all environmental prompts: motion blur on passing cars, reflections on wet pavement, and shallow depth of field.
• + The lighting and skin textures feel cinematic yet grounded and realistic.

• − Some anatomical and mechanical oddities, such as the man's hands blending slightly with the bike frame.
• − The tools on the ground are somewhat poorly defined and appear to float/merge.

Z-Image Turbo

• + High clarity and sharp focus on the man's facial expression.
• + The bicycle's structure is consistent and well-proportioned.

• − Fails to show the man 'repairing' the bike; he is simply holding the handles as if about to ride.
• − Missing the requested motion blur on the passing car.
• − The 'imperfect framing' and 'shallow depth of field' are less pronounced than in Model A.

Seedream 4.0

• + Excellent close-up composition with high-fidelity skin textures
• + Strong cinematic lighting with convincing reflections on the metal
• + Accurate depiction of leather straps and cloth layers

• − The torch in the background is a bit blurry and lacks distinct shape

Z-Image Turbo

• + Includes a visible torch and fire source which adds to the narrative
• + Good representation of the braided hair and bead details
• + Armor engraving is intricate and well-defined

• − The leather strap across the shoulder is slightly less detailed than in Model A
• − The skin texture appears slightly smoothed compared to Model A

Seedream 4.0

• + Accurate spelling of section headers.
• + High-quality, vibrant food photography.
• + Strong use of white space and minimalist aesthetic.

• − Lacks actual menu items or pricing text.
• − The 'grid' layout is somewhat disjointed and lacks structure.
• − Composition feels like a mood board rather than a functional menu.

Z-Image Turbo

• + Excellent structure that directly reflects a functional menu layout.
• + Better adherence to the 'grid' requirement with organized rows and columns.
• + Includes pricing and item placeholders, making it more professional for casual dining.

• − Several spelling errors in the large text (e.g., 'MANS' and 'SETIIION').
• − Content of sections doesn't always match the headers (e.g., pizza shown under appetizers).
• − Garbled gibberish text for the smaller menu items.

Seedream 4.0

• + Excellent dynamic motion with the swirling wind effects and 'exploded' view.
• + The 'MAGIC BURGER' text has a superior fiery, glowing integration that feels part of the scene.
• + Effective use of vertical space and a dramatic, embers-filled background.

• − Failed the price accuracy, displaying €5.99 instead of the requested €6.99.
• − The burger is split into two strange separate units rather than one deconstructed burger stack.

Z-Image Turbo

• + Accurately rendered all requested text, including the specific price of €6.99.
• + High-quality textures on the meat and vegetables.
• + Clean, professional advertisement layout that is easy to read.

• − Failed to provide the 'exploded' view, showing a mostly assembled burger instead.
• − The lighting on the text is a simple outer glow rather than a true 'fiery' effect requested in the prompt.

Seedream 4.0

• + Excellent adherence to the 'chalk texture' and 'natural variations' request
• + Perfectly captures an authentic hand-smudged chalkboard aesthetic
• + Highly realistic atmospheric background that enhances the cozy café theme

• − The cursive title is slightly less 'elegant' and more casual than requested

Z-Image Turbo

• + Perfectly legible text with very few spelling errors
• + Accurately follows the multiline item requirements
• + Clean layout that is easy to read

• − Text looks more like a digital font than natural chalk handwriting
• − Very little chalk texture or realistic board smudging compared to Model A
• − Misspells 'Mushroom' as 'Mustroom'

Seedream 4.0

• + Features a more cinematic and vibrant background with a detailed nebula.
• + Shows good high-frequency detail in the horse's mane and the textures of the spacesuit.
• + Dynamic composition with a low-angle perspective.

• − Fails to follow the specific spatial instruction for the horse to be 'on top' of the astronaut.
• − Anatomical issues where the horse's front legs merge oddly with the astronaut's body.

Z-Image Turbo

• + Clean, clear image with high resolution and minimal artifacts.
• + Good lighting on the astronaut and horse that feels consistent with the environment.

• − Completely ignores the specific prompt logic of placing the horse on top of the astronaut.
• − Composition is very traditional and lacks the requested 'surreal' quality.
• − Background is relatively sparse compared to the cinematic request.

Seedream 4.0

• + Excellent depiction of the night lighting in Manhattan through the windows
• + Strong adherence to the 'bored' expression for the passenger
• + Text on the cap mimics a taxi-like brand consistently

• − The passenger is slightly out of focus compared to the capybara
• − The yellow taxi exterior takes up a bit too much of the foreground

Z-Image Turbo

• + High clarity and sharpness on both the capybara and the passenger
• + More professional looking chauffeur-style cap as requested
• + Clean, cinematic lighting on the subjects

• − The background blur is less distinctive of New York City specifically
• − The passenger's scale relative to the capybara feels slightly off

Seedream 4.0

• + Excellent atmospheric lighting with a cinematic depth.
• + The thorn and web border is integrated beautifully into the scene.
• + Follows the request for a central glowing jack-o-lantern with a spooky aesthetic.

• − The text on the scroll banner is slightly garbled and hard to read.
• − Composition is a bit crowded with the large title text overlapping the background elements.

Z-Image Turbo

• + Clean and highly legible typography for all requested details.
• + Stronger adherence to the 'parchment poster' request with visible paper texture and scrolls.
• + Symmetrical and balanced composition suitable for an invitation.

• − Contains a spelling error in the location ('Archves' instead of 'Arches').
• − The lighting is flatter and less cinematic compared to Model A.

Seedream 4.0

• + Successfully added a full head of hair as requested
• + Preserved the original facial features and glasses perfectly
• + Maintained the original lighting and background

• − The hairline and hair shape look somewhat artificial and 'pasted on'
• − The hair texture is slightly too uniform and lacks natural variation at the edges

Z-Image Turbo

• + Maintains the overall aesthetic of the original image

• − Failed the primary edit instruction; the person remains largely bald
• − Significantly changed the person's facial structure, making them look like a different individual
• − Removed the person's glasses and changed the background environment

Seedream 4.0

• + Accurately renders the Japanese flag as requested.
• + Provides a rich, high-quality variety of sushi models with excellent textures.
• + Perfectly executes the 'top-down isometric' perspective and diorama base.

• − Minor graininess in the soft shadows on the blue background.

Z-Image Turbo

• + Clean, soft-rendered 3D cartoon style with very smooth surfaces.
• + Excellent text rendering with a friendly, rounded font.

• − Major factual error: renders the flag of China instead of the flag of Japan.
• − The 45-degree isometric angle is slightly off compared to a true isometric grid.
• − Minimalist interpretation of 'dish' showing only a single piece of nigiri.

Seedream 4.0

• + Excellent adherence to all prompt requirements including caricature style, hockey theme, and anchor desk.
• + Highly creative integration of hobby and profession by turning her shirt into a jersey and adding a microphone.
• + Matches the background of the original image while successfully transforming the subject.

• − Small anatomical issues with the left hand (four fingers) holding the phone.

Z-Image Turbo

• + Successfully preserved the subject's likeness very closely.
• + Added a subtle dog in the background that wasn't previously there.

• − Failed to create a caricature or follow the 'exaggerated and humorous' instruction.
• − Completely missed the hockey and TV show anchor themes.
• − The edit is too subtle to meet the user's specific creative request.

Seedream 4.0

• + Excellent depiction of god rays and dew sparkles as requested.
• + Dynamic, playful composition that truly shows the animals 'tumbling together'.
• + High level of fur detail and backlighting that creates a heartwarming atmosphere.

• − The fox's anatomy is slightly distorted in the tumbling pose.
• − The scale of the cat relative to the other animals is a bit small.

Z-Image Turbo

• + Clean, clear subjects with very cute facial expressions.
• + Good lighting and soft background bokeh.

• − The animals are largely standing still rather than 'tumbling together' or 'chasing'.
• − The dew sparkles are much more sparse compared to the other model.
• − The puppy's paw is awkwardly clipping through the rabbit's back.

Seedream 4.0

• + Excellent adherence to the Studio Ghibli art style including character design and watercolor textures.
• + Maintains the composition and specific outfits/poses of the source image perfectly.
• + Captures the requested soft pastel colors and warm, nostalgic mood.

• − The detail on the plaid shirt is slightly simplified compared to the source, though appropriate for the style.

Z-Image Turbo

• + High resolution and clarity.
• + Preserves the physical likeness of the original people very closely.

• − Completely failed the primary request to transform the photo into a Studio Ghibli illustration.
• − The image remains a realistic photograph with only very minor lighting/saturation adjustments.
• − Does not use the requested hand-painted textures or dreamy backgrounds.

Seedream 4.0

• + Excellent adherence to the 'hair blowing in wind' instruction with a very dynamic, symmetrical spread.
• + High preservation of the source image's overall character, lighting, and woman's facial features.
• + The 'falling leaves' are abundant and create a clear sense of motion across the frame.

• − Some leaves in the foreground are overly blurry and distracting.
• − The addition of a lens flare in the upper right corner was not requested, though it adds to the 'energetic' feel.

Z-Image Turbo

• + Subtle, realistic motion added to the hair that looks natural.
• + The added leaves are crisp and integrate well into the environment without obscuring the subject.

• − Significantly altered the woman's facial features, making her look like a different person compared to the source image.
• − Lost the leash entirely, and the dog's tail/back end has been noticeably modified/distorted.
• − The background elements like the bridge and foliage have been changed or shifted.

Seedream 4.0

• + Perfect text rendering for both the main name and the banner.
• + Excellent interpretation of the 'vector emblem' and 'banner' description.
• + Superior textures and shading that give a high-quality vintage feel.

• − The steam trails are slightly asymmetrical compared to the formal logo style.

Z-Image Turbo

• + Clean, minimalist vector aesthetic.
• + Accurate spelling of all requested text.
• + Good color palette adherence.

• − The 'banner' is more of a flat bar with notches rather than a classic flowing banner.
• − The steam icon is very small and lacks the 'vintage' detail found in the other model.
• − The composition feels a bit bottom-heavy with the large text at the base.

Seedream 4.0

• + Excellent adherence to the sequential 6-step structure requested.
• + Strong text rendering with mostly correct spelling of astronaut names and mission steps.
• + Great interpretation of the vector style and NASA-inspired color palette.

• − Step 5 and 6 are slightly merged textually ('Surfcce').
• − The Saturn V icon is a bit stubby compared to its real-world proportions.

Z-Image Turbo

• + Clean, minimalist layout with high-quality flat vector illustrations.
• + Accurate color palette according to the prompt (navy, white, red, gray).

• − Failed the sequential requirement, only showing a few disconnected steps.
• − Significant spelling errors in the main title ('APOLIO E 11') and steps ('Descenty', 'Translurian').
• − Missing the specific trajectory arc and orbit ring icons requested for steps 2 and 3.