FLUX1.1 [pro] Black Forest Labs vs Seedream 4.0 ByteDance

FLUX1.1 [pro]

• + High visual clarity and sharp, high-resolution textures.
• + Excellent refraction and reflection on the glass cube surfaces.
• + Dynamic lighting that creates a realistic sense of depth.

• − The glass shape is a rectangular prism rather than a cube.
• − The blue sphere is quite large relative to the container, not 'small' as requested.
• − The blue sphere appears to be floating unnaturally in the center.

Seedream 4.0

• + Correctly interprets the proportions for a 'small' blue sphere.
• + Strictly follows the 'cube' geometry more accurately than Image A.
• + Captures the soft window light and shadows on the wooden table very realistically.

• − Lower overall resolution and slightly blurry textures on the plant and book.
• − The glass has some slight artifacts/distortions on the top edge where it meets the book.
• − Color saturation is a bit more muted compared to the vibrancy of Model A.

FLUX1.1 [pro]

• + Excellent mood and cinematic lighting with realistic puddle reflections
• + High-quality skin texture and natural clothing folds
• + Captures a gritty urban atmosphere consistently

• − The bicycle structure is completely broken and physically impossible
• − The man is not actually repairing the bike, simply holding a detached front end
• − Low adherence to the motion blur requirement for passing cars

Seedream 4.0

• + Successfully captures the requested motion blur of a passing car
• + Strong storytelling showing the man actively working with tools
• + The bicycle has a logically plausible frame and structure

• − Face and skin textures are slightly smoothed or muddy compared to Model A
• − Occasional artifacts in the spokes and some tools blending into the ground
• − The 'imperfect framing' translates to a slightly cluttered composition

FLUX1.1 [pro]

• + Extremely high skin texture detail and lifelike eyes.
• + Excellent use of shallow depth of field for a cinematic feel.
• + Portrait lighting is subtle and very realistic.

• − Failed to include visible beads in the hair braids.
• − Armor engraving is partially obscured by the tight framing.

Seedream 4.0

• + Strong adherence to the 'beads' and 'braids' prompt elements.
• + Rich engraving details and clear leather strap textures.
• + Dramatic torchlight lighting and bokeh sparks.

• − Skin texture appears slightly smoother and less realistic than its competitor.
• − The lighting is a bit harsh, blowing out highlights in the background.

FLUX1.1 [pro]

• + Excellent presentation as a complete physical menu mockup with cutlery.
• + Follows the grid layout for food photos perfectly while maintaining white space.
• + Accurately represents the request for bold sans-serif fonts and specific menu sections.

• − The text content is largely gibberish upon close inspection.
• − The food photos in the grid are quite small and lack high-definition detail.

Seedream 4.0

• + High-resolution food photography with vibrant colors.
• + Clear, legible bold sans-serif category headers.

• − Fails to create an actual 'menu design,' providing only a collage of photos and labels.
• − Lacks the required clean professional layout and pricing/descriptions of a restaurant menu.

FLUX1.1 [pro]

• + Excellent typography rendering with clean, professional neon effects
• + Highly detailed food textures on the burger bun and meat
• + Strong overall composition that feels like a modern digital ad

• − Failed the 'exploded burger' requirement, showing a mostly assembled burger instead
• − Missing the starburst element for the price
• − Price is at the bottom center rather than integrated with a fiery effect

Seedream 4.0

• + Perfectly followed the 'exploded burger' layout with suspended components
• + Successfully incorporated the fiery glowing text and the price starburst
• + Dynamic use of motion blur and swirling effects enhances the sense of motion

• − Incorrect price value generated ('€5.99' instead of '€6.99')
• − Lower resolution of burger textures compared to Model A
• − Text is slightly cramped against the edge of the frame

FLUX1.1 [pro]

• + Excellent typography legibility with consistent spacing
• + Beautiful background bokeh and warm café atmosphere

• − Failed to render the second menu item correctly, splitting it into two separate lines with incorrect prices ($228 and $98)
• − The text texture looks more like a digital font than actual chalk on a board

Seedream 4.0

• + Highly realistic chalk texture with dusty smudges and varying pressure
• + Perfect adherence to the menu items and prices requested in the prompt
• + Captures the authentic feel of a hand-drawn chalkboard with natural layout variations

• − One minor typo in 'Specials' where the 'S' and 'P' almost merge
• − A bit more 'cluttered' visual appearance compared to the clean layout of the other model

FLUX1.1 [pro]

• + Excellent cinematic lighting and atmospheric effects
• + High level of detail in the horse's anatomy and the space suit
• + Dynamic composition with a sense of motion

• − Failed to follow the specific spatial instruction (horse on top of astronaut)

Seedream 4.0

• + Sharp focus on the subject
• + Clear depiction of a nebula in the background

• − Failed to follow the specific spatial instruction (horse on top of astronaut)
• − Visible anatomy/harness artifacts where the astronaut meets the horse

FLUX1.1 [pro]

• + Includes all specific event details including the correct date and location.
• + High-quality central illustration of the jack-o-lantern.
• + Clean aesthetic with sharp border details.

• − Has repetitive text at the bottom, listing the date and time twice.
• − Spelling errors in the scroll banner ('invited' and 'night' are misspelled).
• − The composition feels more like a vertical flyer despite the square frame request.

Seedream 4.0

• + Excellent typography that perfectly captures the 'elegant gothic' style requested.
• + Precise adherence to the banner text and event details without repetition.
• + Stronger interpretation of the parchment, thorns, and webs mentioned in the prompt.

• − The 'a' in 'night' in the banner is slightly deformed.
• − The overall image is a bit darker, making some details harder to see in small formats.

FLUX1.1 [pro]

• + Excellent soft styling consistent with a 'cartoon miniature' aesthetic.
• + Text is perfectly centered and legible.
• + The rendering of the base is highly polished and clean.

• − Failed to include the requested small flag icon.
• − The 'SUSHI' text is somewhat small and less bold than requested.

Seedream 4.0

• + Successfully included all requested text elements and the flag icon.
• + Realistic PBR materials on the fish and roe are very effective.
• + Closer adherence to the 'small raised diorama base' with the inclusion of the bamboo mat.

• − The 'JAPAN' text is slightly off-center to the left.
• − The overall image clarity is slightly lower than Model A.

FLUX1.1 [pro]

• + Excellent fur texture and backlighting effect.
• + Captured the 'large expressive eyes' requirement very well.
• + Clean, aesthetic composition with a soft, ethereal feel.

• − Failed to include all requested animals, missing the red fox kit.
• − The animals are static and sitting rather than 'playfully chasing' or 'tumbling'.
• − The butterflies are glowing blobs rather than detailed insects.

Seedream 4.0

• + Successfully included all four requested animals: puppy, kitten, bunny, and fox kit.
• + Captures the action and movement of 'tumbling' and 'chasing' perfectly.
• + Excellent lighting effects including visible god rays and dew sparkles as requested.

• − The fox's anatomy is slightly awkward where it meets the grass.
• − The kitten's pose is a bit physics-defying.
• − Minor overlapping artifacts between the animals' fur and the background flowers.

FLUX1.1 [pro]

• + Excellent vector emblem style with intricate linework
• + Sophisticated vintage aesthetic with ornate border details
• + Perfect representation of the 'cloche dome with steam' element

• − Significant spelling errors in the brand name ('Fratilian' instead of 'Florian')
• − Cluttered composition due to extra decorative flourishes

Seedream 4.0

• + Perfect text rendering with 100% accurate spelling
• + Clean and effective minimalist composition
• + Faithful adherence to the requested warm brown and cream color palette

• − The Cloche looks a bit flat and less like a professional logo emblem
• − Texture is a bit coarse rather than 'subtle'

FLUX1.1 [pro]

• + Excellent vector aesthetic with a professional graphic design feel.
• + Adheres strictly to the requested NASA-inspired color palette.
• + Includes a central technical illustration that ties the composition together.

• − Text is mostly illegible gibberish apart from the main title.
• − The numbering of the steps is illogical and skips digits.
• − Failed to provide specific icons for each phase as requested in the list.

Seedream 4.0

• + Highly legible text that correctly identifies the mission steps and crew.
• + Clearly follows the 6-step structure requested in the prompt.
• + Satisfactory flat-vector style that separates space and the lunar surface.

• − The 'Landing 6' text is disproportionately large and awkwardly placed.
• − Includes spelling errors like 'Surfcce' and 'Tranqulity'.
• − Icons are somewhat inconsistent in style compared to the sleekness of Model A.