Seedream 4.5 ByteDance vs Wan 2.5 (Preview) Alibaba

Seedream 4.5

• + Excellent photographic realism with natural lighting and shadows
• + Highly accurate handling of glass thickness and internal reflections
• + Perfect adherence to the spatial arrangement of objects

• − The plant in the background is slightly less vibrant than in Model B

Wan 2.5 (Preview)

• + Good color saturation and pleasant depth of field
• + Includes realistic dust motes in the light beam for added atmosphere

• − Anatomical error with the red book appearing to merge into the top edge of the cube
• − The blue marble has a strange reflection/artifact on the underside of the book
• − Plant placement looks a bit crowded relative to the cube

Seedream 4.5

• + Excellent preservation of the subject's specific outfit and hairstyle
• + Maintains high-quality interior details from the source vehicle
• + Convinving coastal environment with realistic atmospheric lighting

• − The car door is open while driving, which is illogical
• − The character is sitting in the passenger seat but holding a steering wheel that has been added to that side

Wan 2.5 (Preview)

• + Successfully keeps the car and environment consistent with a 'driving' action shot
• + Captures the typical California coastline aesthetic with palm trees and sun
• + Correctly places the driver on the left side of the vehicle

• − Fails to preserve the specific appearance and scale of the man from the source image
• − The subject is much smaller and less detailed than requested by the prompt focus

Seedream 4.5

• + Excellent adherence to the 'motion blur from passing cars' prompt requirement
• + Highly realistic skin textures and hand details on the subject
• + Superior lighting and color palette that feels genuinely cinematic

• − The bike seat's texture looks a bit synthetic/plastic compared to the rest of the scene

Wan 2.5 (Preview)

• + Very clear and logical bike anatomy including the kickstand and tools
• + Strong reflections on the wet pavement
• + Good composition with a clear focus on the subject's face

• − Failed to include the requested motion blur from passing cars
• − The subject's skin appears slightly too smoothed for 'natural skin texture'

Seedream 4.5

• + Ultra-realistic skin texture with very fine pores, individual hairs, and subtle scarring.
• + Exquisite detail on the engraved gold plate armor and leather strap stitching.
• + Masterful lighting with warm torchlight highlights and realistic depth of field.

• − The beads in the hair are localized to one side rather than throughout the braids.
• − The 'close portrait' framing misses some of the requested cloth underlayer detail compared to a wider shot.

Wan 2.5 (Preview)

• + Excellent adherence to several prompt elements including beads, ragged cloth underlayers, and chainmail.
• + Strong bokeh effect with visible embers and a torch in the background.
• + Captures a distinct 'battle-worn' expression and gritty atmosphere.

• − Skin and hair textures are slightly smoothed and less lifelike than the competitor.
• − The engraving on the armor looks a bit flatter and less physically detailed than Model A.

Seedream 4.5

• + Excellent typography legibility with consistent sans-serif fonts
• + Clean, professional layout that looks like a functional menu
• + High-quality, appetizing food photography within the frames

• − The grid is slightly less complex than Image B
• − Contains some spelling errors in the menu item names

Wan 2.5 (Preview)

• + Complex grid layout with many diverse food photos
• + Adheres well to the colorful food photos in grid requirement
• + Captures the vibrant, high-energy minimalist aesthetic

• − Text is largely illegible gibberish throughout the entire image
• − Overall layout feels cluttered and less professional for an actual menu
• − The food images are repetitive in style and garnishing

Seedream 4.5

• + Excellent integration of fire into the main typography.
• + Highly photorealistic textures on the burger bun and meat patty.
• + Strong sense of depth with blurred foreground elements and embers.

• − The burger is not fully 'exploded' as requested, with most components still stacked.
• − The starburst for the price looks a bit like a generic clip-art graphic.

Wan 2.5 (Preview)

• + Perfect interpretation of the 'exploded' request with all layers clearly separated.
• + Very dynamic composition with sauce droplets and flying ingredients.
• + Creative dripping molten effect on the 'MAGIC BURGER' text.

• − The meat patty looks a bit more like a render than a photograph compared to Model A.
• − The background is slightly less atmospheric than the fiery embers in Model A.

Seedream 4.5

• + Excellent text rendering with no spelling errors across all menu items.
• + Highly realistic chalk texture with dusty smudges and varying opacity.
• + Perfectly centered composition and straight-on perspective.

• − The handwriting looks slightly more 'digital' and uniform compared to some natural cursive styles.
• − Repeated the price for Risotto on two separate lines.

Wan 2.5 (Preview)

• + The handwriting style is very attractive and matches the 'elegant cursive' request well.
• + Dynamic composition with a slight angle that adds to the cozy café atmosphere.

• − Failed to include the word 'Herbs' after 'Lemon &'.
• − Missing 'Risotto' from the menu item line, making it just 'Truffle Mushroom - $24'.
• − Repeated the price '$9' on two lines for the cookies.

Seedream 4.5

• + Excellent lighting and depth in the nebula background
• + Dynamic cinematic pose with sparkling particles coming off the hooves
• + Strong surreal atmosphere consistent with the prompt

• − Anatomical issue with a third limb/leg appearing under the horse's belly
• − The astronaut's right hand salute looks slightly distorted

Wan 2.5 (Preview)

• + High level of technical detail on the spacesuit and horse's muscles
• + Clearer, sharper focus across the entire subject
• + More realistic rendering of the horse's face and eyes

• − Failed the specific spatial instruction for 'horse on top'
• − The dust/ground at the bottom contradicts the 'in space' setting
• − The composition feels more like a standard composite than a surreal scene

Seedream 4.5

• + Successfully preserved the subject's unique identity, including facial features and vitigilo skin patterns.
• + Accurately replicated the clothing, accessories, and scarf pattern from Image 2.
• + Maintained the original lighting and background of the beach scene well.

• − The transition between the open shirt and the skin patterns looks slightly unnatural and blocky.
• − Added a shadow on the right side of the body that doesn't perfectly align with the harsh overhead light of the original scene.

Wan 2.5 (Preview)

• + The clothing and scarf from Image 2 are rendered with high quality.
• + The lighting on the coat matches the environment well.

• − Failed to preserve the subject's face and hair, replacing them with the person from Image 2.
• − Included sunglasses from Image 2 which were not specifically requested and hide the original person's eyes.
• − Lost the unique identifying skin features of the base person.

Seedream 4.5

• + Excellent anatomical rendering of the capybara's paws on the steering wheel.
• + Clear, readable 'TAXI' text on the cap which aligns with the prompt.
• + Perfectly captures the 'bored' professional expression of the human passenger.

• − The composition feels slightly more cramped than Image B.

Wan 2.5 (Preview)

• + Highly detailed exterior environment with realistic rain droplets on the car.
• + Superior lighting and bokeh effects in the Manhattan background.
• + More professional and intricate costume design for the capybara driver.

• − The capybara's front paws look more like primate hands than rodent paws.
• − The text on the roof sign is garbled and nonsensical.

Seedream 4.5

• + Excellent font legibility for all text elements
• + Captures a cinematic, atmospheric lighting style
• + Clean and modern interpretation of the gothic theme

• − The dark parchment texture requested is barely visible
• − The border feels like floating overlays rather than a cohesive design
• − The thorns look more like barbed wire

Wan 2.5 (Preview)

• + Perfectly captures the vintage dark parchment aesthetic
• + Highly intricate border design combining webs and thorns as requested
• + Detailed, creative flaming jack-o-lantern central art

• − The 'Invitation' text has slight legibility issues on the 'v'
• − The composition is a bit crowded compared to the cleaner layout of the other model

Seedream 4.5

• + Excellent preservation of the original facial anatomy and expression.
• + Seamless blending with the original ear and temple area.
• + Realistic hair texture and color that matches the existing beard.

• − The hairline is a bit high, making the forehead look slightly elongated.

Wan 2.5 (Preview)

• + Successfully added a very thick, full head of hair as requested.
• + Good lighting integration on the new hair volume.

• − Significantly altered the facial structure, changing the eye shape and expression.
• − The hair volume looks slightly disconnected from the skull shape of the original image.
• − The ear and glasses frame area are slightly more distorted than in the other model.

Seedream 4.5

• + Excellent adherence to the isometric perspective on a square diorama base.
• + Extremely sharp and legible text rendering for both 'JAPAN' and 'SUSHI'.
• + High-quality realistic PBR textures on the salmon and rice grains.

• − The diorama base texture is a bit noisy or gritty compared to the smooth cartoon aesthetic requested.

Wan 2.5 (Preview)

• + Beautiful soft lighting and 'cartoon' 3D aesthetic with very clean surfaces.
• + Well-balanced composition with bold white text that pops against the background.
• + Accurate sushi representation with a clean, rounded diorama base.

• − Perspective is more eye-level/cinematic than the requested 45° top-down isometric view.
• − Text spacing is slightly tight compared to the clean layout of the other model.

Seedream 4.5

• + Excellent character likeness preserved from the original photo during the caricature process.
• + High-quality 3D render style with realistic textures on the hockey gear and microphone.
• + Cleverly integrates all three prompts into a cohesive news-desk scene.

• − The caricature style is very subtle (mostly just a large head) rather than a fully exaggerated artistic interpretation.

Wan 2.5 (Preview)

• + Strong artistic caricature style with exaggerated features that match the 'humorous' request.
• + Very creative inclusion of two dogs and a TV screen showing a hockey game.
• + Good use of color and composition to create a vibrant digital illustration.

• − The facial likeness to the source image is much lower than in Model A.
• − Minor artifacts in the illustration style (e.g., the hand holding the microphone).

Seedream 4.5

• + Dynamic composition with blurred foreground flowers creating depth.
• + Strong, cinematic lighting with effective god rays and warm color grading.
• + The animals are well-integrated into the environment with interactive lighting.

• − The fox kit has stylized, oversized 'Disney-like' eyes that lean toward illustration rather than hyper-photorealism.
• − The puppy's paw and the kitten's tail have some minor anatomical blurring/merging.

Wan 2.5 (Preview)

• + Excellent anatomical rendering for all four animals, maintaining a realistic look.
• + Bright, clear lighting that makes the dew sparkles and fur textures pop.
• + Successful inclusion of all requested elements with a high level of clarity.

• − The god rays are a bit harsh and look somewhat artificial against the background.
• − The floating water droplets look a bit like suspended glass beads rather than natural dew.

Seedream 4.5

• + Excellent adherence to the specific Studio Ghibli art style including line work and eye shapes
• + Strong watercolor texture effects in the background and clothing
• + Accurately replicates the character poses and clothing patterns from the source image

• − The woman in the foreground has slightly generic facial features compared to the source's expression

Wan 2.5 (Preview)

• + Adds creative elements like falling leaves and sparkles to enhance the 'dreamy' mood
• + Successfully captures the specific facial expressions and head tilts of the middle and right characters
• + Maintains a clean, high-quality illustration look

• − The art style feels more like modern generic anime than the specific Ghibli hand-painted aesthetic
• − Line work is a bit too digital and clean for the Ghibli theme

Seedream 4.5

• + Excellent sense of motion with flying autumn leaves
• + Successfully captures the 'energetic and lively' mood through body posture changes
• + Great dynamic hair physics

• − Significant source preservation issues including changed stance and lighting
• − Lower resolution and visible artifacts around the flying leaves

Wan 2.5 (Preview)

• + Perfect source preservation of the person, dog, and background
• + Natural looking hair motion
• + Subtle but effective leaf addition

• − Leaves look a bit like generic green stickers rather than integrated elements
• − Less 'energetic' feel compared to the other model

Seedream 4.5

• + Excellent typography rendering with the correct accent on 'Caffè'.
• + Clean vector aesthetic that matches the minimalist logo prompt.
• + Accurate cloche dome representation with subtle, effective steam.

• − The steam is a bit small and simplistic compared to the rest of the emblem.

Wan 2.5 (Preview)

• + Beautiful parchment/texture background adds to the vintage feel.
• + Creative interpretation showing the steam inside a glass cloche.

• − The text is poorly rendered, especially the 'F' in Florian and the overlapping banners.
• − The cloche looks more like a bell jar or candle holder than a restaurant dome.
• − The composition feels cluttered with two competing banners.

Seedream 4.5

• + Excellent typography and readability with zero spelling errors.
• + Clean, professional timeline layout that follows the requested 6-step sequence perfectly.
• + Accurate NASA color palette and high-quality flat-vector iconography.

• − Icon for step 5 ('Descent') looks more like a satellite than a lunar module.

Wan 2.5 (Preview)

• + Dynamic composition with a strong sense of verticality.
• + Good use of the requested NASA color scheme.

• − Step labels are disconnected from their icons, making the infographic hard to follow.
• − The 'Saturn V' rocket includes a shuttle-like craft at its base which is historically inaccurate.
• − Text is poorly placed and step 5/6 labels lack specific associated icons.