Seedream 4.5 ByteDance vs Wan 2.7 Alibaba

Seedream 4.5

• + Excellent photographic realism and soft lighting.
• + Accurate reflection and refraction through the glass panels.
• + Clean, modern aesthetic with high focus on the central subject.

• − The glass cube seems to lack a front panel or the bottom joinery is slightly inconsistent.

Wan 2.7

• + Detailed textures on the book and the rustic wooden table.
• + Impressive interaction between the plants and the glass reflections.
• + Includes realistic text/embossing on the spine of the red book.

• − The glass geometry is slightly confusing with extra vertical lines in the corners.
• − The blue sphere has an odd textured/stony appearance rather than being a smooth ball.

Seedream 4.5

• + Successfully preserved the subject's face, hair, and entire outfit including shoes.
• + High-fidelity preservation of the specific car model and interior details.
• + Excellent integration of the character into the driver's seat with realistic lighting.

• − The car door is wide open while driving, which is physically illogical.
• − The subject is sitting on the side sill/edge of the seat rather than fully inside.

Wan 2.7

• + The car is correctly positioned on a road moving along a coastline.
• + Maintains the exterior appearance of the car well.

• − Completely failed to preserve the subject's face and identity.
• − The driver appears as a distorted, low-detail figure that does not resemble the source man.
• − Lost all detail of the subject's specific outfit.

Seedream 4.5

• + Excellent adherence to the motion blur and low-light cinematic requirements.
• + Strong focus on micro-details like realistic skin texture and raindrops on the jacket.
• + Composition feels candid and tells a story with vibrant reflections on the pavement.

• − The transition from the car to the background shows some digital smearing.
• − The position of the man's hands on the spokes is a bit physically ambiguous.

Wan 2.7

• + Natural, everyday street photography aesthetic.
• + Good character design that fits the description of an elderly Japanese man.
• + Reflections on the wet pavement are very crisp.

• − Failed to include the requested motion blur from passing cars.
• − The depth of field is deeper than the 'shallow' request, making the background distracting.
• − The bicycle's structure has major geometric flaws, particularly near the front wheel and pedals.

Seedream 4.5

• + Exceptional skin texture with realistic pores and fine hairs
• + Masterful use of warm, cinematic lighting and bokeh
• + Highly intricate engraving detail on the pauldrons

• − The 'close portrait' framing cuts off much of the requested armor and leather straps

Wan 2.7

• + Excellent adherence to the 'battle-worn' description with convincing dents and scratches on armor
• + Clearer representation of the braided hair and beads
• + Better framing to show the full range of textures including leather and cloth

• − Slightly less realistic skin rendering compared to the competitor
• − The torch lighting feels less integrated with the subject's face

Seedream 4.5

• + Excellent adherence to high-level layout requirements including specific sections for appetizers, pizza, and mains.
• + High-quality, appetizing food photography with vibrant color-coded accents.

• − Text rendering is poor with several typos like 'Appetizters' and nonsensical item names.
• − Overall layout feels a bit sparse for a practical menu.

Wan 2.7

• + Highly sophisticated and professional graphic design layout that looks like a real-world product.
• + Impressive text rendering for a menu, including realistic pricing and detailed food descriptions.
• + Creative use of a lifestyle background with rosemary and a pen to ground the design.

• − The 'grid' requested is heavily populated, making individual photos smaller than might be ideal for some minimalist designs.
• − Minor spelling errors in smaller text blocks, though much better than the competitor.

Seedream 4.5

• + Excellent photorealistic texture on the meat and bun
• + Very natural-looking motion blur on flying ingredients
• + Seamless integration of the burger with the fiery environment

• − The burger is not fully 'exploded' as requested, with most layers still touching
• − Text is slightly less sharp than in the competing model

Wan 2.7

• + Perfect adherence to the 'exploded' aspect of the prompt with all layers separated
• + Extremely clean and vibrant graphic design and typography
• + Creative use of sauce splashes to enhance the sense of motion

• − Some elements like the sesame seeds and smoke look more 'digital' and less photorealistic
• − The lettuce and tomato cross-section look slightly flat compared to the lighting on the meat

Seedream 4.5

• + Features realistic chalk texture with varying opacity and dust particles.
• + Successfully renders handwritten text with natural variations in letter size and slant.
• + Accurately completes truncated items from the prompt like 'Brown Butter Chocolate Chip Cookies'.

• − Repeats the word 'Risotto' and the price '$24' unnecessarily on two lines.
• − Text slant and spacing are slightly messy, though this fits the 'handwritten' request.

Wan 2.7

• + Text is perfectly centered and highly legible.
• + Includes all requested menu items with no spelling errors.
• + Clean, professional composition with nice lighting and background elements.

• − Failed the negative constraint; the text looks like a clean digital font rather than authentic chalk handwriting.
• − The 'handwriting' is too uniform, lacking the requested slants and natural variations.

Seedream 4.5

• + Successfully integrated character identity from Image 2 including face, sunglasses, scarf, and clothing details
• + Accurately recreates the dynamic pose from Image 1
• + Matches the studio lighting and yellow background of the reference perfectly

• − The right hand (upper) has slightly warped finger anatomy
• − The character's expression is more smiling/relaxed than the serious expression in Image 2

Wan 2.7

• + High resolution and clarity

• − Completely failed to incorporate the character reference from Image 2
• − Essentially just recreated Image 1 with minor color adjustments
• − Did not follow the instruction to change the person/clothing

Seedream 4.5

• + Successfully followed the difficult positional constraint with the horse on top of the astronaut.
• + Dynamic and cinematic lighting with vibrant nebula colors.
• + Excellent anatomical detail on the horse's head and neck.

• − The astronaut's lower body merging into the horse's back is a bit messy.
• − The perspective of the astronaut's legs is slightly distorted.

Wan 2.7

• + Clean, high-resolution rendering of the astronaut and planets.
• + Stable composition with clear celestial objects.
• + Good lighting consistency between the subjects and the orbital background.

• − Completely failed the negative constraint, depicting the astronaut riding the horse.
• − Nonsensical repetition of Earth scattered in the background.
• − Lacks the 'surreal' quality requested, looking like a standard collage.

Seedream 4.5

• + Excellent adherence to the specific clothing items from Image 2
• + Maintains the exact face and hair of the person from Image 1
• + Includes the specific accessories like the ring and gold watch

• − Fails to realistically layer the shirt over the person's torso, resulting in a strange cutout of the skin
• − The pose is slightly altered from the original image
• − Poor proportions on the hands

Wan 2.7

• + Successfully adapts a new pose that feels natural in the environment
• + Maintains the likeness/skin patterns of the base person well
• + High visual quality and resolution

• − Completely ignored the clothing in Image 2, creating a generic 'elaborate' outfit instead
• − Altered the layout and composition of the original scene significantly
• − The hands and fingers have anatomical errors

Seedream 4.5

• + Excellent adherence to the 'inside the taxi' perspective.
• + High-quality fur texture and realistic passenger expression.
• + Clean, readable text on the taxi cap.

• − The perspective makes the capybara look giant compared to the passenger.
• − The lighting on the front of the capybara is slightly flat.

Wan 2.7

• + Natural composition from an outside-looking-in perspective.
• + Very detailed capybara hands/paws on the wheel.
• + Good lighting and integration with the city backdrop.

• − The capybara's head has a slightly 'pasted-on' look with some artifacts around the neck.
• − The steering wheel appears to be emerging from the car door frame incorrectly.
• − Garbled text on the taxi roof sign.

Seedream 4.5

• + Excellent photographic realism in the jack-o-lantern and mood lighting
• + Perfectly accurate text rendering for all requested details
• + Effective use of negative space for readability

• − The border elements like the barbed wire feel like separate overlays rather than an integrated part of a 'vintage poster'
• − Composition is slightly sparse compared to the 'vintage gothic' aesthetic requested

Wan 2.7

• + Outstanding interpretation of the 'vintage gothic' style with an intricate, hand-illustrated feel
• + Highly detailed border containing all requested elements (webs, thorns, bats) plus extra thematic additions
• + Text is beautifully integrated into the layout with a more appropriate gothic font

• − The jack-o-lantern and lighting are more illustrative/cartoonish than cinematic
• − The image includes extra text not requested in the prompt, such as 'Est. 1847' and 'Dress code'

Seedream 4.5

• + Excellent preservation of the original image's identity and lighting.
• + The hair texture and color perfectly match the existing beard.
• + Maintains original head shape and facial features without distortion.

• − The hairline is a bit high and simplified in shape.

Wan 2.7

• + Natural, modern hair style with good volume and texture.
• + Realistic blending at the temples and forehead.

• − Slightly altered the person's facial features, making them look like a different individual.
• − The head shape and forehead dimensions feel slightly adjusted from the source.

Seedream 4.5

• + Excellent PBR textures with a realistic stone-like diorama base
• + High-quality soft lighting and depth of field
• + Clean, accurate text rendering

• − Low count of sushi pieces making the diorama look slightly empty
• − The flag icon is floating somewhat awkwardly compared to the text

Wan 2.7

• + More diverse variety of sushi items including nigiri and rolls
• + Clean, toy-like aesthetic that fits the 3D cartoon scene description well
• + Perfectly centered composition with tidy layout

• − The text has slight white fringing/outlining not requested in the 'large bold text' prompt
• − Textures are a bit flatter and less 'realistic PBR' compared to Model A

Seedream 4.5

• + Excellent preservation of the subject's facial features in a caricature style.
• + Clear and logical incorporation of all three hobby/job elements into a single scene.
• + High visual quality with realistic lighting and textures.

• − The caricature style is a bit subtle, mostly just enlarging the head rather than exaggerating features.

Wan 2.7

• + Strong 'caricature' art style with high energy and humor.
• + Creative integration of the hockey theme with the dogs.
• + Maintains the selfie perspective of the source image.

• − Facial likeness is significantly altered compared to the source image.
• − Text in speech bubbles contains typos ('Rolee').
• − The composition is a bit cluttered and chaotic.

Seedream 4.5

• + Excellent dynamic composition with a sense of movement and 'tumbling'.
• + Strong cinematic lighting with god rays and atmospheric bokeh effects.
• + Vibrant color palette that enhances the joyful theme.

• − The fox has overly stylized, 'Disney-fied' eyes that lean toward illustration rather than hyper-photorealism.
• − The puppy's back-left leg transition is slightly blurry/muddled.

Wan 2.7

• + Detailed fur textures across all four animals.
• + Better representation of a 'lush wildflower meadow' with distinct plant types.
• + Well-defined god rays emanating from the top center.

• − Static, somewhat stiff posing for most of the animals.
• − The kitten's tail appears to be missing or merged into the rabbit.
• − Anatomical oddity with the kitten's front-right paw looking like it's attached to the rabbit.

Seedream 4.5

• + Perfectly captures the Studio Ghibli anime aesthetic in character design and line work.
• + Preserves the original composition and pose while adapting to a new style.
• + Excellent use of watercolor textures and soft pastel coloring.

• − The facial features of the woman in red are simplified and differ significantly from the original source.

Wan 2.7

• + Maintains a much higher level of facial likeness to the original people in the photo.
• + Beautiful watercolor texture and soft, warm lighting as requested.
• + Preserves subtle details of the original clothing and background.

• − The style leans more toward a realistic watercolor illustration than the specific 'Studio Ghibli' anime aesthetic.
• − The woman in the background has a slightly distorted eye.

Seedream 4.5

• + Excellent depiction of wind-blown hair that looks natural and dynamic.
• + Strong adherence to the 'energetic and lively' instruction through pose adjustment.
• + Good integration of flying leaves with motion blur.

• − Significantly altered the woman's pose and camera angle from the source image.
• − The background lighting and bridge details were modified unnecessarily.

Wan 2.7

• + Expertly preserved the original pose, facial features, and background elements.
• + Added believable hair motion that fans out naturally.
• + Leaves are integrated subtly without overwhelming the composition.

• − The leaf placement looks slightly more static compared to Model A.

Seedream 4.5

• + Excellent typography with perfect spelling and accent marks.
• + Clean vector emblem style that adheres to the minimalist request.
• + Strong composition with a balanced arrangement of text, cloche, and banner.

• − The 'steam' element is a bit small relative to the rest of the logo.

Wan 2.7

• + Detailed vintage badge aesthetic with nice border ornaments.
• + Good color palette that matches the requested brown and cream tones.
• + Creative use of transparency on the cloche dome.

• − Spelling error in the main name ('Florion' instead of 'Florian').
• − The composition is quite busy, diverging from the 'minimalist' requirement.
• − Inconsistent line weights in the steam and floral elements.

Seedream 4.5

• + Excellent typography rendering with almost perfect spelling and legibility.
• + The illustration for the Saturn V and Lunar Module are detailed and high-quality.
• + Adheres strictly to the color palette and requested stop/start points.

• − The 'Descent' icon is a satellite rather than the requested lunar module.
• − The composition feels slightly bottom-heavy with large empty space above.

Wan 2.7

• + Superior infographic layout with logical flow and supporting data points.
• + Consistent icon style across all six stages of the mission.
• + Excellent use of the NASA-inspired color palette and modern vector aesthetic.

• − Minor spelling errors such as 'DESCRIPT' instead of 'DESCENT' and 'Tranquiliry'.
• − Text becomes slightly fuzzy and less legible at smaller sizes compared to Model A.