Seedream 4.5 ByteDance vs Wan 2.6 Alibaba

Seedream 4.5

• + Excellent photorealism with very clean textures on the glass and book.
• + Accurately places the plant behind the cube as requested.
• + Realistic refraction and caustic lighting effects on the wooden table.

• − The sphere is quite small relative to the cube, though the prompt did specify 'small'.

Wan 2.6

• + Strong composition with a rustic, atmospheric feel.
• + Good rendering of the book's worn texture and aged pages.

• − The plant is placed next to/behind the cube but is not clearly 'visible through the glass' as a primary feature.
• − The glass cube has distracting internal reflections and structural inconsistencies.

Seedream 4.5

• + Excellent preservation of the man's physical features, hairstyle, and specific outfit details from the source image.
• + Highly detailed car interior and door mechanism that matches the Rolls-Royce style from the source.
• + Natural interaction between the subject, the steering wheel, and the seat.

• − The open car door while driving creates a safety/logic error in the scene composition.
• − The lighting on the man feels slightly flat compared to the bright outdoor background.

Wan 2.6

• + Beautiful and vibrant California coastline scenery with motion blur on the road and wheels.
• + Dynamic and realistic lighting that blends the subject and car into the environment.
• + Great composition that captures a clear sense of movement.

• − Significantly altered the man's hair texture and facial structure compared to the source image.
• − The man's outfit lost the distinct plaid patterns and details visible in the original photo.
• − Minor artifacting where the man's hand meets the steering wheel.

Seedream 4.5

• + Excellent execution of long-exposure motion blur on passing cars
• + Naturalistic hand-to-object interaction that feels grounded
• + Strong atmospheric reflections in ground puddles

• − The composition feels slightly cropped, cutting off the front of the bike and the top of the rain hood
• − Lower level of fine skin texture compared to the competitor

Wan 2.6

• + Highly detailed skin and clothing textures that look very realistic
• + Better framing of the subject and the entire red bicycle
• + Includes realistic repair tools on the ground which adds to the narrative

• − Water droplets on the jacket look like static beads rather than flowing rain
• − The 'motion blur' on the car in the background is less convincing and looks more like simple depth of field

Seedream 4.5

• + Excellent high-resolution skin texture with realistic pores and fine hairs
• + Beautifully intricate engraving on the armor palette
• + Sophisticated use of lighting and shallow depth of field for a cinematic feel

• − The 'beads' in the hair look more like metal studs or fasteners than decorative beads

Wan 2.6

• + Strong adherence to the 'battle-worn' descriptor with heavy dirt and grime
• + Includes colored beads in the braid as requested by the prompt
• + Excellent texture work on the frayed cloth underlayer

• − The face appears slightly smoother and less detailed compared to Model A
• − Lighting on the face feels a bit flat despite the presence of torches

Seedream 4.5

• + Excellent typography with very high legible and logical text.
• + Very clean, minimalist aesthetic aligned with the 'modern' prompt requirement.
• + Food photography is high quality and looks appetizing.

Wan 2.6

• + Stronger adherence to the 'food photos in grid' instruction.
• + More complex and interesting design with vibrant accents.
• + Correctly displays multiple menu columns and a larger variety of dishes.

• − Text contains frequent gibberish and character artifacts.
• − The layout feels a bit cramped compared to the minimalist request.
• − Some food photos are repetitive copies of the same pizza.

Seedream 4.5

• + Excellent typography with a clean fiery glow effect.
• + Well-balanced composition with sharp focus on the central burger.
• + Effective use of motion blur on the flying vegetable slices.

• − The burger is not very 'exploded'; most components are still stacked.
• − A bit less dynamic in the ingredient separation compared to the prompt's request.

Wan 2.6

• + Strong 'exploded' effect with ingredients flying outwards and sauce dripping.
• + Impressive 3D text effects for the main title with realistic flames.
• + High level of detail in the background texture and smoke.

• − The starburst for the price is a bit cluttered and less integrated than Model A.
• − The 'LIMITED TIME ONLY' text is placed at the bottom, which is slightly less conventional for an ad layout.

Seedream 4.5

• + Excellent text legibility and clean composition
• + Highly accurate rendering of the prompt's specific menu items and date
• + Natural chalk texture on the board surface including subtle dust smears

• − Repeated the price for the first item on two different lines
• − The cursive style for the title is more print-script than elegant cursive

Wan 2.6

• + Very realistic chalk texture with heavy smudging and dust at the bottom
• + Dynamic handwriting with more natural variation in letterform thickness
• + Good adherence to the requested menu items

• − Repeated the price for the first two items on two different lines which looks messy
• − The perspective makes some text slightly harder to read at the edges
• − Missed the '$' symbol for the first item's top line

Seedream 4.5

• + Excellent cinematic lighting and atmosphere
• + Strong dynamic pose for both the horse and astronaut
• + Clean, high-quality rendering of the space suit

• − Failed the specific spatial instruction for the horse to be 'on top'
• − The astronaut has an extra leg protruding from the horse's side

Wan 2.6

• + High detail in the horse's mane and the astronaut's visor reflections
• + Cinematic use of light rays and dust particles
• + Well-composed and balanced layout

• − Failed the specific spatial instruction for the horse to be 'on top'
• − The reins are physically incoherent, floating/merging with the astronaut

Seedream 4.5

• + Excellent preservation of the person's identity and facial features
• + Successfully included specific details like the gold watch and ring from Image 2
• + Applied the coat and scarf with very high accuracy to the reference image patterns

• − Confused the skin pattern for a shirt design, resulting in a strange patch of skin appearing over a black shirt

Wan 2.6

• + Included the sunglasses from Image 2 which the other model omitted
• + Maintained skin and hair details perfectly
• + Good fabric texture and lighting integration

• − Failed to include accessories like the gold watch or the specific multi-layered look of the open coat and shirt
• − The scarf pattern is less accurate to the reference than Model A

Seedream 4.5

• + Excellent photorealistic texture on the capybara's fur and clothing.
• + Clearly legible text on the driver's cap.
• + Very clean composition that feels physically plausible despite the surreal subject.

• − The passenger's hands and phone interaction are slightly blurry/AI-deformed.
• − The capybara's paws look more like primate hands than rodent paws.

Wan 2.6

• + Dynamic side-profile composition that captures both the driver and the rainy NYC exterior.
• + The passenger's expression and coat perfectly match the 'bored businesswoman' prompt.
• + Adds atmospheric rain and light streaks that enhance the night theme.

• − The driver's cap looks more like a police/military officer cap than a taxi driver cap.
• − The interior seat and door frame show significant AI artifacts and 'melting' textures.
• − The capybara's paws are not correctly placed on the steering wheel.

Seedream 4.5

• + Excellent text legibility and clean character rendering
• + Highly cinematic lighting with a realistic 3D feel
• + Creative use of barbed wire to fulfill the thorns requirement

• − The dark parchment background feels more like a standard photo backdrop than paper
• − Lacks a cohesive ornate border compared to the other model

Wan 2.6

• + Perfectly captures the vintage dark parchment and gothic border aesthetic
• + Superior composition with the twisted trees framing the central elements
• + Rich artistic texture in the gold lettering

• − Slightly less crisp text rendering on the scroll compared to the other model
• − The glowing effect is a bit more illustrative and less realistic

Seedream 4.5

• + Perfect preservation of original facial geometry and background
• + Seamless blend of the new hairline with the existing forehead
• + Natural hair texture that matches the beard

• − Hair volume is relatively conservative compared to the request for 'full, thick' hair

Wan 2.6

• + Excellent interpretation of 'full, thick' hair with high volume
• + Realistic hair texture and flow

• − Significantly alters the person's facial structure, making him look like a younger/different person
• − Minor artifacts where the hair meets the side of the glasses

Seedream 4.5

• + Excellent text rendering and placement according to instructions
• + Strong PBR material qualities especially on the salmon texture
• + Higher overall resolution and detail in the 3D assets

• − The diorama base texture is a bit grainy compared to the requested soft textures
• − The flag icon is slightly orphaned to the right of the text rather than integrated smoothly

Wan 2.6

• + Clean isometric composition with a very clear diorama base
• + Accurate representation of the requested flag icon and text elements
• + Simple and effective cartoon/miniature aesthetic

• − The text layout is slightly off-center and 'SUSHI' is on the same line as the flag
• − The resolution and textures are noticeably softer/blurrier than the competitor
• − Materials look more like simple plastic than realistic PBR

Seedream 4.5

• + High level of facial resemblance to the source image while correctly applying the large-head 'caricature' effect.
• + Successfully integrates all professional and hobby elements (anchor desk, microphone, hockey stick, gloves, puck, and dog).
• + Maintains the realistic lighting and textures of the source material.

• − The transition between the desk and the sofa in the background creates some spatial confusion.
• − The hands to the left of the microphone are somewhat small and muddy in detail.

Wan 2.6

• + Strong illustrative caricature style that feels very fun and expressive.
• + Includes a fully realized studio environment that enhances the 'TV show anchor' theme.
• + Incorporates multiple dogs and hockey equipment in a clear, narrative way.

• − Loss of specific facial likeness from the original source image, moving toward a generic cartoon character.
• − Anatomical errors such as the pug's paw having humans hands to hold the stick.
• − Completely ignores the clothing and facial structure of the original subject.

Seedream 4.5

• + Excellent dynamic composition showing actual movement and play
• + Vibrant colors and beautiful sunrise lighting with clear god rays
• + Extremely soft and detailed fur textures on all animals

• − The fox kit has stylized, almost cartoonish eyes compared to the more realistic puppy and kitten
• − Dew sparkles appear more like floating bubbles than realistic light reflections

Wan 2.6

• + Highly realistic animal anatomy and expressions for all four subjects
• + Beautifully rendered environment with realistic ground-level dew and mist
• + Strong adherence to the 'hyper-photorealistic' part of the prompt

• − The composition is a bit crowded with subjects all clustered in the center
• − The background butterflies are a bit static and less integrated into the 'chase'

Seedream 4.5

• + Excellent depiction of dynamic motion with horizontal hair flow and blurred foreground leaves.
• + The overall lighting and color grading successfully contribute to an 'energetic and lively feel'.
• + The person's pose is modified to look like they are in mid-stride, adding to the motion.

• − Low source preservation as the woman's face, clothing, and the background details have been significantly altered/regenerated.
• − The color of the leaves changed from green (source) to autumn brown.

Wan 2.6

• + Excellent source preservation, keeping the woman's face and clothing almost identical to the original.
• + Successfully added wind-blown hair and flying leaves while maintaining the original background.
• + Matches the green color of the existing trees for the flying leaves.

• − The 'motion' feels slightly less energetic compared to Model A due to the static pose of the subjects.
• − The flying leaves are a bit sparse and some look like flat overlays.

Seedream 4.5

• + Excellent adherence to all text elements including the banner and correct date.
• + Balanced circular composition typical of a professional vector emblem.
• + Clean, classic typography that curves elegantly over the central icon.

• − Subtle texture on the background is very faint, appearing almost as a solid color.

Wan 2.6

• + Nice use of 'vintage' texture around the edges of the light background.
• + Correct spelling and accentuation on 'Caffè Florian'.
• + Clean vector style for the cloche icon.

• − Failed to place the date in a primary banner as requested, tucking it into a small, awkward flag on the side.
• − Composition is bottom-heavy with a large gap at the top.
• − The cloche and steam are slightly off-center relative to the text below.

Seedream 4.5

• + Excellent adherence to the step-by-step infographic structure requested in the prompt.
• + Clean, legible typography and accurate spelling for all mission stages and names.
• + Precise vector style with a NASA-inspired color palette that matches the professional infographic aesthetic.

• − The icon for 'Descent' (step 5) looks like a satellite rather than a descending lunar module.
• − Minor visual overlap between the Saturn V and the Earth orbit ring.

Wan 2.6

• + Strong, minimalist poster aesthetic with good color choices.
• + Creative use of silhouettes for the crew members.

• − Completely failed to include the requested 6-step infographic content.
• − Large amount of empty space that serves no informational purpose.
• − Text layout on the silhouettes is slightly messy/overlapping.