Seedream 4.0 ByteDance vs Wan 2.7 Pro Alibaba

Seedream 4.0

• + Excellent depiction of soft, golden hour window light.
• + Clean and simple composition.
• + Higher color saturation in the sphere and book provided a vibrant look.

• − The glass cube shape is slightly inconsistent with the tabletop's perspective.
• − The plant reflection is a bit muddy and lacks detail.

Wan 2.7 Pro

• + Perfect adherence to all spatial instructions including the plant's position behind the cube.
• + Highly realistic textures on the wooden table and fern leaves.
• + Excellent rendering of light through glass and refraction effects.

• − The sphere's texture is slightly marbled rather than a solid blue sphere.
• − The red book has a slightly worn look which may be less 'clean' than Model A.

Seedream 4.0

• + Successfully merges features from both source images such as the man's hair, scarf, and coat pattern.
• + Excellent preservation of the white Rolls Royce's design and features.
• + Dynamic composition with motion blur and a beautiful coastal background.

• − The man's right hand position on the steering wheel looks slightly unnatural.

Wan 2.7 Pro

• + Accurately preserves the white car in a scenic coastal setting.
• + Good lighting and environmental integration.

• − Completely fails to use the man from the second source image, replacing him with a generic figure.
• − The person in the car is poorly rendered and too small.

Seedream 4.0

• + Excellent execution of motion blur from passing cars
• + Natural and expressive skin texture on the man's face
• + Beautifully rendered reflections on the wet pavement

• − Anatomical issues with the man's hands merging with the bike
• − Physical logic errors with the bike's chain and frame

Wan 2.7 Pro

• + High clarity and sharpness across the main subject
• + Superior rendering of the bicycle's mechanical structure
• + Very effective rain streaks and wet surface texture

• − Failed to include the requested motion blur for passing cars
• − Composition feels a bit more posed than 'candid'

Seedream 4.0

• + Excellent atmospheric lighting with dynamic torchlight and sparks.
• + High-quality skin texture with realistic dirt and faint scarring.
• + Detailed engraving on the pauldrons with varied metal finishes.

• − The leather straps across the chest appear somewhat flat and lack fine surface grain.

Wan 2.7 Pro

• + Superb leather strap detail with visible wear, stitching, and grain.
• + Braided hair and beadwork are more intricate and prominent.
• + Excellent engraving detail that covers more of the breastplate.

• − The character looks slightly older and less 'battle-worn' in terms of skin grit compared to Model A.
• − Lighting is a bit more clinical and less atmospheric than the warmth in Model A.

Seedream 4.0

• + Excellent typography rendering with zero spelling errors
• + High-quality, appetizing food photography
• + Clean minimalist layout with high contrast

• − Lack of actual menu content like item names or descriptions
• − The grid layout feels slightly disjointed with large whitespace gaps

Wan 2.7 Pro

• + Complete menu design including item names, prices, and descriptions
• + Professional use of iconography, QR codes, and social media logos
• + Includes a lifestyle context with realistic tabletop props

• − Small body text contains significant hallucinations and spelling errors
• − The layout is quite dense and less 'minimalist' than requested

Seedream 4.0

• + Excellent sense of motion with dynamic motion blur and swirling effects
• + Photorealistic food textures, especially on the bun and patties
• + Organic integration of the 'MAGIC BURGER' text within stylized flames

• − Incorrect price displayed as €5.99 instead of the requested €6.99
• − The burger anatomy is confusing, appearing as two separate partial burgers rather than one exploded one

Wan 2.7 Pro

• + Perfect adherence to all text requirements including the correct €6.99 price
• + Clear 'exploded' view layout showing each individual component distinctly
• + Strong, crisp graphics suitable for a digital advertisement

• − The lighting on the burger components feels flat compared to the fiery background
• − The starburst element looks a bit like a generic clip-art asset rather than being integrated into the scene

Seedream 4.0

• + Excellent chalk texture with realistic smudges and dust
• + Authentic handwritten variation in letter size and slant
• + Perfect text accuracy including the complicated 'Brown Butter' completion

• − The perspective is slightly angled rather than a flat lay

Wan 2.7 Pro

• + Clean, readable text layout
• + Excellent composition with symmetrical framing in the café environment
• + Accurate rendering of the requested text content

• − The text looks more like a digital font than natural chalk handwriting
• − Uniformity of the letters lacks the 'natural variations' requested in the prompt

Seedream 4.0

• + Successfully incorporates clothing elements like the checkered scarf and black sweatshirt from Image 2.
• + Follows the instruction to combine the character features and pose.
• + Adapts the character's clothing style to fit the action.

• − The face is severely distorted and look nothing like the character in Image 2 or Image 1.
• − The exact pose from Image 1 is completely lost and simplified into a generic squat.
• − The anatomy of the feet and legs is poor and unrealistic.

Wan 2.7 Pro

• + Perfectly maintains the environment and background from Image 1.
• + Preserves the exact dynamic pose of Image 1 flawlessly.

• − Failed the editing instruction entirely by returning Image 1 with no changes.
• − Did not incorporate the character, clothing, or face from Image 2.

Seedream 4.0

• + Excellent cinematic lighting and texture on the horse's coat.
• + High-quality reflection in the astronaut's visor showing a nebula.
• + Dynamic, dramatic composition with the horse rearing up.

• − Completely failed the negative constraint to have the horse on top.
• − Severe anatomical artifacts with the front legs and hooves blending into the lower body.

Wan 2.7 Pro

• + Consistent anatomical rendering of the horse's body and gait.
• + Clean, clear rendering of the astronaut suit and equipment.
• + Nice placement of celestial bodies in the background.

• − Failed the core prompt instruction to have the 'horse on top'.
• − Lighting on the astronaut and horse is flat and doesn't match the background environment.

Seedream 4.0

• + Successfully transferred the exact clothing items from Image 2, including the scarf pattern and coat style.
• + Maintains the pose and most of the background layout from the source.

• − Violated the core constraint of keeping the person's face identical; it merged the facial features of the person in Image 2 onto the person in Image 1.
• − The skin texture on the face looks artificially applied and lacks the realism of the original vitiligo.

Wan 2.7 Pro

• + Maintained the original person's face and identity much more accurately than the other model.
• + Preserved the background perfectly and integrated the character well into the environment.

• − Completely failed the instruction to use the clothing from Image 2, instead generating a generic gold-patterned blazer.
• − Missed the specific accessories like the sunglasses and plaid scarf.

Seedream 4.0

• + Excellent photorealistic texture on the capybara's fur.
• + Accurately places the passenger in the back seat as requested.
• + Captures a gritty, realistic New York taxi atmosphere with appropriate lighting.

• − The passenger's face is slightly blurry and lacks fine detail.
• − The capybara's paws look somewhat mangled and less defined.

Wan 2.7 Pro

• + High clarity and sharp focus on the capybara's face.
• + Good clothing detail on both the capybara and the passenger.
• + The capybara's paws are clearly gripping the wheel.

• − Failed to place the passenger in the back seat, placing her in the front passenger seat instead.
• − The paws look somewhat more like human/primate hands than capybara feet.

Seedream 4.0

• + Atmospheric, cinematic lighting with a realistic 3D feel.
• + Rich, moody textures on the parchment and jack-o-lantern.
• + Excellent integration of the thorny border with the background scenery.

• − Text on the small scroll banner is quite blurry and difficult to read.
• − Composition is a bit cluttered around the central text area.

Wan 2.7 Pro

• + Clear, legible text across all intended fields including the scroll.
• + Clean, illustrative design with symmetrical composition.
• + Rich in specific thematic details like the cauldron, gravestones, and roses.

• − The jack-o-lantern's green color and candle-nose are a slightly odd interpretation of a 'glowing jack-o-lantern'.
• − Lighting feels flatter and less 'cinematic' than Model A.

Seedream 4.0

• + Excellent preservation of the background and clothing
• + Strong adherence to the 'thick' hair prompt requirement

• − The hairline is unnaturally square and high
• − The hair texture looks somewhat airbrushed and artificial compared to the beard

Wan 2.7 Pro

• + Provides a highly realistic hair texture that matches the beard
• + The hairline and style look natural and well-integrated
• + Maintains facial features and lighting perfectly

• − The hair is slightly less 'full/thick' than model A, though more realistic

Seedream 4.0

• + Excellent text rendering and alignment.
• + High-clarity textures on the fish and rice that feel realistic yet stylized.
• + Clean isometric 45-degree angle that matches the prompt perfectly.

• − The light blue background has a slight gradient rather than being a strictly solid color.
• − The wasabi shape is a bit blocky compared to the rest of the high-quality assets.

Wan 2.7 Pro

• + Beautifully soft, refined 3D cartoon aesthetic.
• + High-quality PBR material representation on the plate and garnish.
• + Very clean composition with a solid background.

• − The text layout is slightly off-center and includes unrequested extra text.
• − The flag icon is less integrated than in Model A.
• − Added extra elements like chopsticks and a soy sauce dish that weren't in the prompt.

Seedream 4.0

• + Expertly captures the subject's facial features in a classic bobblehead-style caricature.
• + Seamlessly integrates the background of the source image with the new elements like the news desk and dog.
• + Creative blends hockey jerseys into the subject's outfit and the desk decor.

• − The fingers on the hand holding the phone are poorly rendered and blurry.
• − The transition between the subject's neck and the new outfit is slightly awkward.

Wan 2.7 Pro

• + Strong prompt adherence for the 'humorous' and 'caricature' themes using a comic book art style.
• + Excellent text rendering within the speech bubbles.
• + Includes multiple dogs and a clever hockey stick-microphone hybrid.

• − Loses most of the subject's specific facial likeness, opting for a generic cartoon woman.
• − The source image preservation is low, completely changing the lighting and environment.

Seedream 4.0

• + Excellent capture of dynamic, playful energy with the 'tumbling together' request
• + Superior lighting effects including beautiful dew sparkles and warm bokeh
• + Highly expressive eyes and fur texture that feels very fluffy and soft

• − The fox kit has slightly unnatural proportions and a very saturated red color
• − Minor artifacts in the bokeh highlights where they overlap the kitten

Wan 2.7 Pro

• + Naturalistic and realistic rendering of the four distinct animals
• + Clear and distinct god rays coming from the sunrise
• + Stable anatomy for all animals involved in the scene

• − The composition feels more static and posed compared to the 'chasing and tumbling' request
• − The butterflies look a bit pasted on and lack the motion of the rest of the scene

Seedream 4.0

• + Perfectly captures the Studio Ghibli character design style with minimalist facial features and expressive eyes.
• + Applies a convincing hand-painted watercolor texture with soft pastel color washes.
• + Accurately replicates the character poses and clothing while fully stylizing the faces.

• − Loses the specific identity and background detail of the original photograph in favor of a dreamier abstraction.

Wan 2.7 Pro

• + Retains high facial similarity to the original subjects while applying a watercolor style.
• + Preserves more of the background street detail from the source image.

• − The character design looks more like a standard portrait illustration than the specific Studio Ghibli style requested.
• − The facial features are too detailed and realistic for the iconic Ghibli aesthetic.

Seedream 4.0

• + Excellent adherence to the 'windy hair' instruction with a natural flow.
• + Successfully added flying leaves with motion blur.
• + Preserved the character's facial features and clothing accurately.

• − Resolution appears slightly lower/softer than the original.
• − The sun flare in the top right is a bit distracting and wasn't requested.

Wan 2.7 Pro

• + Successfully added a large number of flying leaves throughout the scene.
• + Maintains very high image clarity and sharpness consistent with the source.
• + Effective hair motion that spreads out dynamically.

• − The hair has some minor artifacts where it meets the background.
• − Some leaves on the ground appear a bit static compared to the ones in the air.

Seedream 4.0

• + Perfect text rendering for the brand name
• + Strong vector emblem aesthetic with a clean background
• + Excellent adherence to the color palette and textures requested

• − The steam is a bit literal and lacks the stylized elegance of a professional logo

Wan 2.7 Pro

• + Elegant engraving-style illustration on the cloche dome
• + Sophisticated composition with wreath and circular framing
• + High-quality vintage aesthetic

• − Spelling error in the brand name ('Florion' instead of 'Florian')
• − Clutter at the edges of the frame distracts from the logo logo
• − Incorrect cloche placement on a pedestal rather than a plate

Seedream 4.0

• + Successfully captured all 6 required icons
• + The large Landing Module illustration is well-detailed
• + Clear, bold numbering for the steps

• − Numerous spelling errors including 'Translunar' (misplaced icon), 'Surfcce', and 'Tranquility'
• − The layout is cluttered and lacks the professional 'poster' feel requested
• − The sixth step is detached from the main timeline flow

Wan 2.7 Pro

• + Superior typography and text rendering with minimal spelling errors
• + Excellent vertical layout that feels like a professional NASA infographic
• + Consistent flat-vector style with a sophisticated muted color palette

• − Misspelled 'Descent' as 'Descript'
• − Icons are somewhat small and blend into the dark background
• − Missing the specifically requested Saturn V icon (uses a generic rocket)