LongCat-Image Meituan vs Seedream 4.5 ByteDance

LongCat-Image

• + Excellent rendering of the glass cube with realistic thickness and edge refraction.
• + Very high visual quality and sharp details on the book and plant.
• + Superior interpretation of the plant being 'partially visible through the glass'.

• − The blue sphere is relatively large compared to the 'small' descriptor in the prompt.

Seedream 4.5

• + Follows the 'small' sphere instruction more accurately in terms of scale.
• + Accurate lighting and shadow placement according to the window position.
• + Clean, minimalist composition.

• − The glass cube is missing a front face, appearing more like a three-sided stand.
• − The perspective of the cube's base is slightly warped compared to the table plane.

LongCat-Image

• + Natural street photography composition with an 'imperfect' framing feel
• + Realistic skin texture and facial details
• + Accurate depiction of rain streaks in the background

• − The bicycle geometry is broken with three wheels and confusing frame lines
• − Lack of requested motion blur on the passing cars

Seedream 4.5

• + Excellent adherence to the motion blur request for passing cars
• + Superior rendering of water droplets on the raincoat and wet pavement reflections
• + Higher level of skin detail and hand realism

• − The composition feels slightly more staged than Model A's candid street look
• − The bike chain and spokes have some minor AI artifacts

LongCat-Image

• + Excellent depiction of ornate engraved plate armor with complex patterns
• + Clearly visible braids with multicolored beads
• + Good lighting and color saturation with a cinematic feel

• − The facial wound looks like a digital artifact or ink smudge rather than a realistic battle scar
• − The lighting on the face is a bit flat compared to the dramatic background

Seedream 4.5

• + Highly realistic skin textures with believable scars, dirt, and facial hair
• + Superior lens-accurate shallow depth of field and bokeh effects
• + Masterful use of warm torchlight highlights reflecting off the skin and metal

• − Composition is slightly tighter, cropping out some of the armor detail
• − Braids are partially obscured by the angle of the head

LongCat-Image

• + Includes a diverse and vibrant color palette as requested
• + Features a varied grid-style layout with many food photos

• − Text is completely illegible and contains gibberish characters
• − The composition feels cluttered and disorganized

Seedream 4.5

• + Very clean and professional minimalist layout
• + Text is largely legible with clear section headers like 'Appetizers' and 'Pizza'
• + High-quality, appetizing food photography

• − Simple layout is less adventurous than the requested complex grid
• − Text entries under headers become repetitive and lose realism

LongCat-Image

• + Excellent text legibility and graphic design integration.
• + Very sharp photorealistic detail on the meat and cheese.
• + Creative literal 'fiery' glow effect on the main title.

• − Failed the 'exploded' instruction as the burger is fully assembled.
• − The lighting on the burger feels a bit flat compared to the background.

Seedream 4.5

• + Captured the 'exploded' aspect with ingredients flying around the core.
• + Great sense of motion and cinematic lighting.
• + Stronger atmospheric integration with the fiery environment.

• − The 'MAGIC BURGER' text has more legible 'A' and 'R' issues compared to Model A.
• − Some components like the flying pickle look slightly blurry/lower quality.

LongCat-Image

• + The chalk texture on the letters and the board smudges is very realistic.
• + Captures the high-contrast aesthetic of a bold chalkboard.

• − Numerous spelling errors including the main title ('TOAYS STAYs').
• − Failed to render the specific menu items requested in the prompt.
• − The layout of prices and text is disorganized and confusing.

Seedream 4.5

• + Excellent prompt adherence with near-perfect spelling of all requested text.
• + Successfully completed the truncated 'Brown But...' request as 'Brown Butter Chocolate Chip Cookies'.
• + The chalk handwriting style is consistent, elegant, and perfectly legible.

• − The word 'Risotto' and its price are accidentally repeated twice.
• − Slightly less 'gritty' chalk texture compared to Model A, though still clearly hand-drawn.

LongCat-Image

• + Features a more complex scene with planetary bodies and space hardware.
• + The horse has clear, realistic anatomy and textures on the coat.
• + Good lighting contrast between the subject and the celestial background.

• − The horse appears to have five legs, which is a major anatomical artifact.
• − Includes strange, nonsensical floating objects like the distorted aircraft in the upper left.
• − Failed the specific prompt instruction for the horse to be 'on top' of the astronaut.

Seedream 4.5

• + Deep, cinematic colors with a vibrant nebula that enhances the surreal theme.
• + Cleaner composition with better subject focus.
• + The astronaut's gold visor is well-rendered with convincing reflections.

• − Completely failed the negative constraint/positional instruction (horse on top, not vice versa).
• − Significant anatomical error with an extra human-looking leg dangling beneath the horse's belly.

LongCat-Image

• + Excellent photorealism in textures, especially the capybara's fur and the jacket fabric.
• + High level of detail in the city background and lighting reflections on the car window.
• + Captures the professional expression of the capybara well.

• − The capybara's paw/hand looks somewhat mutated and uncanny.
• − The perspective is slightly awkward with two passengers squeezed in, and the car's exterior taxi light is oriented strangely.

Seedream 4.5

• + Correctly places both front paws on the steering wheel as requested.
• + The composition is cleaner and captures the specific 'bored' expression of the passenger perfectly.
• + Text rendering on the hat is clear and accurate.

• − The capybara's fur looks slightly less detailed compared to Model A.
• − The background lights are a bit more generic and less distinctly 'New York street' than the other image.

LongCat-Image

• + Successfully integrated thorns and spiderwebs as a decorative border.
• + Text rendering for the main title and banner is mostly accurate and aesthetically pleasing.
• + Good use of the 'parchment' texture as requested.

• − Failed significantly on the event details text at the bottom, producing gibberish like 'The Armiees'.
• − The transitions between the parchment and the central scene are a bit harsh and poorly blended.

Seedream 4.5

• + Perfect text rendering for all requested information, including the bottom event details.
• + Higher visual quality with cinematic lighting and a more cohesive atmosphere.
• + Composition is balanced and professionally designed for an invitation.

• − Missed the 'parchment' requirement, opting for a digital poster look instead.
• − The thorns are present only in the corner rather than forming a border.

LongCat-Image

• + Excellent text rendering and placement
• + Beautiful miniature cartoon-style textures that look like soft clay
• + Perfectly executes the isometric 45-degree angle

• − The sushi-geta (wooden base) is slightly cropped at the bottom
• − The salmon texture has a slightly rubbery appearance

Seedream 4.5

• + Clean layout with a distinct diorama-style raised base
• + High-clarity textures on the sushi rice and fish
• + Accurate representation of the requested flag icon and text

• − The text 'JAPAN' is slightly off-center and the 'SUSHI' text is smaller than requested
• − The lighting is a bit harsh on the front face of the diorama base

LongCat-Image

• + Excellent rim lighting and clear god rays from the sun.
• + Sharp focus on the central subject with high surface detail on the fur.
• + Vibrant and saturated color palette that fits the wholesome vibe.

• − Failed the prompt by merging the cat and bunny into a single 'cat-rabbit' hybrid creature.
• − The composition feels more static and posed rather than 'playfully chasing' and 'tumbling.'

Seedream 4.5

• + Successfully includes all four distinct animals (puppy, kitten, fox, and bunny) whereas the competitor merged two.
• + Better sense of movement and dynamic action with a 'tumbling' feel.
• + Beautiful atmospheric effects with dew sparkles and a dreamy sunrise glow.

• − The fox's eyes appear slightly uncanny and overly enlarged.
• − Higher amount of lens flare/blooms can slightly obscure fine fur details in some areas.

LongCat-Image

• + Successfully included all prompt elements like the steam, banner, and text.
• + Captures a distinct vintage woodcut texture.

• − Text duplication error with 'Caffè' appearing twice.
• − The composition is cluttered and lacks the requested 'minimalist' feel.
• − The steam lines are messy and inconsistent.

Seedream 4.5

• + Excellent adherence to the 'minimalist' and 'vector emblem' style.
• + Clean, professional typography and perfect spelling.
• + Well-balanced composition with a clear focal point.

• − The steam is very small and lacks detail.
• − Visual interest is slightly lower compared to the intricate texture of the other model.

LongCat-Image

• + Features a bold, retro-modern aesthetic that fits the space theme.
• + Good use of the requested navy and red color palette.
• + Includes a clear lunar module illustration.

• − Text is largely illegible gibberish.
• − Only captures one or two of the requested steps correctly.
• − The composition is cluttered and confusing for an infographic.

Seedream 4.5

• + Perfectly follows all six requested steps in a logical timeline.
• + Excellent text rendering for steps and astronaut names.
• + Clean, professional flat-vector aesthetic that adheres strictly to the prompt.

• − The descent icon shows a generic satellite rather than a lunar module descent.
• − The Saturn V rocket is slightly simplified compared to the other icons.