Seedream 4.0 ByteDance vs Wan 2.6 Alibaba

Seedream 4.0

• + Excellent adherence to the 'plant behind the cube visible through the glass' instruction.
• + Clean, modern aesthetic with sharp reflections.
• + Accurate cube geometry and balanced composition.

• − The sphere is slightly small relative to the volume of the cube.

Wan 2.6

• + Beautiful texture on the red book and wooden table.
• + Soft, realistic window lighting that matches the direction requested.
• + High level of detail in the plant leaves.

• − The plant is positioned to the right-background rather than behind the cube, failing the 'visible through' instruction.
• − The glass cube has an illogical internal vertical line on the right side.

Seedream 4.0

• + Perfectly preserves the specific features of the man including his hairstyle, scarf, and jacket pattern.
• + Matches the car model and color with high accuracy to the source image.
• + Captures the iconic Big Sur/California coastline aesthetic and motion blur on the road.

• − The steering wheel is positioned slightly too high relative to the driver's hands.

Wan 2.6

• + Accurately depicts a California coastline with palm trees and cliffs.
• + Maintains the car's model and color well.

• − Completely fails to preserve the man's identity; he is replaced by a generic figure in a hat.
• − The lighting on the front of the car feels slightly flat compared to the bright background.

Seedream 4.0

• + Excellent depiction of motion blur with the passing car
• + Strong pavement reflections and realistic puddle dynamics
• + Effective use of the requested 'imperfect framing' for a candid feel

• − The bike anatomy is slightly warped, specifically the frame near the rear wheel
• − The man's skin texture is a bit smooth compared to the prompt's request for natural texture

Wan 2.6

• + Superb skin texture on the face and hands, appearing very realistic
• + Beautiful lighting and rain droplet physics on the man's jacket
• + Cinematic color grading and sharp focus on the subject

• − The motion blur on the car in the background is less pronounced than requested
• − Composition is a bit more 'posed' rather than the requested 'imperfect framing'

Seedream 4.0

• + Excellent depiction of ornate engraving on the pauldrons.
• + High quality rendering of skin texture and subtle scars.
• + Strong adherence to the 'lifelike eyes' request with a piercing gaze.

• − The leather straps look a bit flat and less weathered than the character.
• − The torchlight effect is slightly overexposed in the background.

Wan 2.6

• + Superb attention to detail on the leather straps and frayed cloth texture.
• + The beads in the hair look more unique and integrated into the braid.
• + Exceptional gritty atmosphere that fits the 'battle-worn' description perfectly.

• − The skin texture appears slightly more 'clumped' with dirt than natural scarring.
• − The eye on the right has a slightly unnatural reflection compared to the left.

Seedream 4.0

• + Perfectly legible section headers
• + High-quality, appetizing food photography
• + Clean white background

• − Lacks actual menu content like item names or prices
• − Layout is more of a collage than a functional menu design
• − Large empty white spaces feel unfinished

Wan 2.6

• + Complete menu structure including item lists and pricing
• + Excellent professional grid layout with vibrant color accents
• + Strong adherence to the 'modern minimalist' aesthetic for casual dining

• − Text contains gibberish/hallucinated characters
• − Pizza is shown in the appetizers section
• − Mains section lacks corresponding photos in its immediate block

Seedream 4.0

• + Excellent typography style with integrated flame effects
• + Dynamic motion blur swirling around the ingredients
• + Crisp, photorealistic texture on the bun and patty

• − Incorrect price displayed as €5.99 instead of €6.99
• − Duplicated the burger layers into two separate stacks instead of one exploded stack

Wan 2.6

• + Perfect adherence to all text requirements including the correct price
• + Excellent 'exploded' composition with sauce droplets and flying ingredients
• + Rich atmospheric smoke and ember effects

• − The starburst graphic for the price looks a bit like a flat clip-art sticker
• − Slightly less 'glowing' effect on the secondary text compared to Model A

Seedream 4.0

• + Excellent adherence to the requested text content, including the full third menu item and footer.
• + The chalk smears and erased background textures are very realistic.
• + Strong clarity and high-resolution rendering of handwritten characters.

• − The date 'APRIL' lacks the elegant cursive requested in the prompt, appearing more blocky.
• − The composition is a bit tight on the left side of the frame.

Wan 2.6

• + Beautifully executed 'elegant cursive' for the title as requested.
• + Superb chalk texture with realistic dust gathered at the bottom ledge.
• + Great depth of field and warm cafe atmosphere.

• − Fails to follow the specific text prompt for the third item, omitting 'Butter'.
• − Minor artifacts in the handwriting where strokes overlap slightly unnaturally.

Seedream 4.0

• + Strong cinematic lighting with high contrast
• + Highly detailed textures on the spacesuit and horse

• − Fails the specific spatial prompt instruction of 'horse on top'
• − Anatomical issues with the horse's front legs appearing disconnected or strange

Wan 2.6

• + Excellent composition and vibrant use of color in the nebulae
• + Clearer, more balanced layout for a cinematic feel

• − Fails the specific spatial prompt instruction of 'horse on top'
• − Floating reins that lack physical logic behind the horse

Seedream 4.0

• + Successfully transferred almost the entire outfit including scarf, coat, jeans, and shoes.
• + Adapts the clothing to a new upright pose successfully.

• − Failed to preserve the person's face, blending it with the person from Image 2 featuring a mustache and different sunglasses.
• − Changed the person's original vitiligo patterns into a generic textured skin effect.
• − Low-quality resolution with significant artifacts around the figure.

Wan 2.6

• + Excellent preservation of the source person's face, features, and specific vitiligo patterns.
• + Maintains the background and original lighting/composition of the first image perfectly.
• + Clean visual quality with high resolution and no blurred artifacts.

• − Failed to include the entire outfit, providing only the upper half (coat and scarf).
• − The sunglasses were genericized rather than being a direct match for Image 2.

Seedream 4.0

• + Excellent photorealistic lighting and skin/fur textures
• + Perfect composition showing depth between the driver and passenger
• + Accurate depiction of the passenger's bored expression as requested

• − The cap is a basic baseball style rather than a traditional chauffeur/taxi cap

Wan 2.6

• + High level of environmental detail with rain effects on the windshield
• + Very detailed capybara facial features and whiskers
• + Authentic taxi/law enforcement style hat adds to the character

• − The passenger is seated in the front or a very cramped middle position rather than the back seat
• − Anatomy of the capybara's hands/paws on the wheel is slightly messy

Seedream 4.0

• + Excellent atmospheric lighting with high-contrast shadows
• + Coherent parchment-tear effect around the border
• + Generally accurate text rendering for the event details

• − The text on the small scroll banner is slightly distorted and difficult to read
• − Composition is a bit cluttered at the bottom with the text overlapping parts of the frame

Wan 2.6

• + Superb text clarity on both the main title and the small scroll banner
• + Elegant, symmetrical composition with the trees framing the central Jack-o-lantern
• + Highly detailed border work combining thorns, webs, and ornate frames

• − The 'glowing' effect from the pumpkin on the ground is slightly less realistic than in Model A

Seedream 4.0

• + Perfectly preserves facial features, clothing, and background
• + Maintains identical lighting and grain texture from the original
• + Matches the beard color and texture well

• − The hairline is unnaturally square and high
• − The hair volume is overly vertical and stiff-looking

Wan 2.6

• + Produces a much more realistic and stylish hairstyle
• + Excellent hair texture with natural-looking waves and flow
• + Maintains the overall facial structure and environmental context

• − Slightly alters the shape of the glasses and the bridge of the nose
• − The ear is partially obscured and reshaped compared to the original

Seedream 4.0

• + Excellent text rendering and placement.
• + High detail in the sushi textures, particularly the fish and roe.
• + Soft, appealing 3D cartoon aesthetic that retains realism.

• − The diorama base is just a small tray rather than a distinct raised block.
• − Perspective is slightly flatter than the requested 45-degree angle.

Wan 2.6

• + Captured the 'raised diorama base' instruction perfectly with the grey pedestal.
• + Strong isometric perspective and clean composition.
• + Includes additional garnish like ginger as requested.

• − The 'JAPAN' text is slightly off-center and awkwardly aligned with the icon.
• − The flag icon is integrated into the text line rather than being a separate small icon as requested.

Seedream 4.0

• + Excellent character preservation while applying a classic bobblehead caricature style.
• + Perfect integration of the original background and clothing from the source image.
• + Includes all requested elements: anchor desk, dog, and hockey jersey details naturally.

• − The hand holding the phone has some anatomical issues with the thumb and finger spacing.

Wan 2.6

• + Very clean, vibrant illustrative style.
• + Clear and intentional placement of the hockey stick, puck, and dog.
• + Strong 'TV Studio' lighting and composition.

• − Poor face preservation; the character looks like a generic cartoon and does not resemble the subject in the source image.
• − Complete loss of the source image's background and clothing.

Seedream 4.0

• + Excellent dynamic posing that makes the animals look like they are actively tumbling
• + Exceptional depiction of 'god rays' and dew sparkles as requested in the prompt
• + High-contrast, vibrant colors that enhance the '8K masterpiece' feel

• − The fox's red fur is slightly oversaturated, bordering on unnatural
• − Minor floating artifacts in the sparkles above the kitten

Wan 2.6

• + Features a white bunny which creates a nice focal point in the lower center
• + Highly realistic textures on the kitten and puppy fur
• + Beautiful morning mist effect in the background

• − The fox's anatomy is slightly awkward with a visible paw appearing detached
• − Composition feels a bit more static and posed compared to the 'tumbling' request

Seedream 4.0

• + Perfectly captures the minimalist Studio Ghibli character design style.
• + Beautiful watercolor texture and soft, hand-painted aesthetic.
• + Accurately recreates the iconic expressions and poses from the source meme in the new style.

• − Completely loses the background detail, replacing it with abstract watercolor washes.
• − The character faces are very simplified compared to the source.

Wan 2.6

• + Excellent preservation of the background architecture and details from the original photo.
• + Maintains the facial likeness of the original people while stylizing them.
• + Pleasant use of light and watercolor effects.

• − The art style leans more towards modern shoujo manga or generic watercolor illustration than specific Ghibli style.
• − Includes distracting white circular 'bokeh' or dust artifacts across the image.

Seedream 4.0

• + Successfully added brown flying leaves that match the dynamic feel
• + Preserved the original composition and colors well

• − Noticeable loss of facial detail and slight identity shift
• − The hair edit looks a bit stiff and symmetrical

Wan 2.6

• + Excellent hair motion that looks natural and windswept
• + Very high source preservation with minimal identity shift
• + High image clarity and sharpness

• − Flying leaves look somewhat like green digital artifacts or 'floating' rather than integrated
• − The motion of the leaves is less dynamic than requested

Seedream 4.0

• + Perfect text rendering for both the main title and the banner.
• + Excellent composition with a balanced emblem style.
• + The subtle canvas-like texture perfectly matches the vintage request.

• − The accent on 'Caffè' is slightly stylized as a dot rather than a standard Italian accent mark.

Wan 2.6

• + Clean vector aesthetic with good color choices.
• + Successfully included all requested elements like the steam and cloche.

• − The banner placement is awkward and tiny, making the 'Est. 1720' text difficult to read.
• − Composition feels bottom-heavy compared to the more traditional circular logo layout.

Seedream 4.0

• + Excellent adherence to all 6 requested infographic steps with corresponding icons.
• + Text rendering is highly accurate and readable for both the header and sub-points.
• + Successfully incorporates the requested 'NASA-inspired' color palette and flat-vector style.

• − The transition from the navy sky to the gray ground is a bit harsh.
• − Some icons exhibit minor rendering artifacts (e.g., the lunar lander's legs).

Wan 2.6

• + Clean, minimalist aesthetic that follows the requested color palette well.
• + Good balance of negative space and crisp typography.

• − Completely failed to include the requested 6-step infographic content.
• − Omitted almost all specific icons requested (Saturn V, Earth, Trajectory, etc.).
• − The layout is too empty for an infographic poster.