FLUX.2 [pro] Black Forest Labs vs Seedream 4.0 ByteDance

FLUX.2 [pro]

• + Excellent photorealism and texture on the book and wooden table.
• + Perfect logical execution of the glass cube's structure and reflections.
• + Accurate lighting direction following the prompt's request.

• − The plant is significantly further in the background and less 'behind the cube' than requested.
• − The sphere is quite small compared to the cube's volume.

Seedream 4.0

• + Better placement of the plant directly behind the glass as requested in the prompt.
• + Vibrant colors and a high-gloss finish on the blue sphere.
• + Good adherence to all spatial instructions.

• − The glass cube geometry is slightly warped on the right side.
• − The lighting is a bit harsh, creating a less 'soft' feel than requested.
• − The table texture is slightly less realistic than Model A.

FLUX.2 [pro]

• + Excellent preservation of the source car's details and reflections.
• + Accurately represents the man's face and distinctive hairstyle from the source.
• + High visual clarity and realistic motion blur on the wheels.

• − The driver's position is slightly high relative to the seat.
• − Minor lighting inconsistency on the driver compared to the bright outdoor sun.

Seedream 4.0

• + Successfully incorporates the man's scarf and coat from the source image.
• + Great composition with the winding California coastline in the background.
• + Dynamic pose with hands realistically placed on the steering wheel.

• − The driver's face is less sharp and looks slightly morphed compared to the source.
• − Noticeable warping of the car's body, especially around the rear wheel and trunk line.

FLUX.2 [pro]

• + Excellent skin texture and hyper-realistic facial details
• + Accurate shallow depth of field and bokeh
• + Superior bicycle mechanical details and texture

• − The motion blur of the passing car is very subtle compared to the request
• − Composition is very tight, clipping a significant portion of the bike

Seedream 4.0

• + Captures the motion blur of the passing car much better
• + Composition feels more 'candid' and includes the full scene and tools
• + Stronger reflection in the puddle

• − Noticeable anatomical issues with the hands
• − The bike's geometry is slightly warped and inconsistent
• − Lacks the fine skin texture and sharpness of the other model

FLUX.2 [pro]

• + Excellent texture on leather straps and cloth underlayer as requested
• + Lifelike eyes with natural reflections
• + Detailed engraving on the plate armor

• − The scars look a bit like fresh face paint or makeup rather than healed tissue
• − The sparks look like flat streaks rather than glowing bokeh

Seedream 4.0

• + Superior bokeh sparks that feel integrated into the 3D space
• + More realistic skin texture and dirt application
• + Engraving on the pauldrons is very intricate

• − The leather straps look slightly thinner and less detailed than in Model A
• − The torch in the background is a bit blown out

FLUX.2 [pro]

• + Follows the complete layout request including sections for appetizers, pizza, and mains with pricing.
• + Excellent typography with clean, legible sans-serif fonts and logical hierarchy.
• + High-quality food photography integrated into a grid that feels like a real professional menu.

• − Some minor spelling errors in the headers and item names ('MINS' instead of 'MAINS').
• − Duplicate section headers and item listings create some logical redundancy.

Seedream 4.0

• + Vibrant food photography with good color saturation.
• + Correct spelling of the requested section headers.

• − Fails to provide a functional menu layout, lacking descriptions or prices.
• − The grid composition is unbalanced with large awkward white spaces.
• − The cropping of the pizza on the right is disruptive to the minimalist aesthetic.

FLUX.2 [pro]

• + Perfect text accuracy and typography rendering for all required strings.
• + Highly realistic food textures, specifically the cheese melt and bun aeration.
• + Elegant composition with a balanced use of negative space.

• − The 'exploded' effect is somewhat linear and safe rather than truly dynamic.
• − The starburst element is a bit flat and graphic compared to the photorealistic burger.

Seedream 4.0

• + Stronger sense of motion with swirling light trails and more aggressive ingredient separation.
• + Excellent integration of fire and embers in the background and starburst.
• + Title text has a very impactful fiery 3D effect.

• − Incorrect price text rendered as €5.99 instead of requested €6.99.
• − Lower food realism, particularly the plastic-looking cheese slice in the center.
• − The bottom half of the burger is not truly exploded, remaining mostly assembled.

FLUX.2 [pro]

• + Excellent chalk texture on the 'slate' style board.
• + Accurate spelling and completion of the text prompt.
• + Strong adherence to the elegant cursive requirement for the title.

• − The board choice looks more like a small slate slab than a traditional café chalkboard.
• − The handwriting looks a bit too perfect, almost like a digital font despite the texture.

Seedream 4.0

• + Perfect realization of a dusty, smudged café chalkboard environment.
• + Highly realistic handwriting with natural variations in letter weight and pressure.
• + Excellent composition with a warm, cozy bokeh background.

• − Slightly less 'elegant' cursive in the title compared to Model A.
• − The chalk dust at the bottom looks a bit repetitive.

FLUX.2 [pro]

• + Successfully captured the identity, facial features, and eyewear of the person in Image 2.
• + Maintained high image quality and realistic lighting/shadows.
• + Accurately replicated the clothing style, including the specific patterned scarf and black sweatshirt.

• − Failed to match the extreme body tilt and specific arm positioning of the gymnastic pose in Image 1.
• − The crouched pose is much less dynamic and vertical than the source reference.

Seedream 4.0

• + Matches the angle and lean of the torso from Image 1 more closely than Model A.
• + Attempts to recreate the specific arm extension and hand gestures from the source.

• − Failed significantly to capture the character's identity, resulting in a face that looks like a blend of both images.
• − Visual artifacts are present, particularly the distorted facial features and the blurry transition of the right sleeve.
• − Missing the sunglasses which were a key part of the character reference.

FLUX.2 [pro]

• + Successfully followed the difficult positional instruction 'horse on top'
• + High-quality rendering of the Earth and distant galaxies
• + Achieved a surreal, artistic atmosphere

• − Anatomical failure resulting in a 'centaur-like' merging of the astronaut and a second horse body
• − The upper horse appears to be floating rather than being 'ridden' by the astronaut

Seedream 4.0

• + Very high detail in the astronaut's suit and helmet reflections
• + Dynamic and cinematic lighting

• − Completely failed the negative constraint to have the horse on top
• − Minor artifacting on the horse's reins and harness

FLUX.2 [pro]

• + Excellent photorealism with realistic textures on the capybara's fur and the jacket.
• + Highly detailed and accurate taxi interior, including the dashboard and raindrops on the glass.
• + Captures the professional expression and posturing of the capybara perfectly.

• − The capybara appears to have human-like hands/gloves rather than animal paws.
• − The passenger is slightly out of focus and less integrated into the scene's lighting.

Seedream 4.0

• + Accurately depicts the front paws on the steering wheel rather than human hands.
• + Good composition that clearly shows both the driver and the passenger in a shared space.
• + Simple and effective lighting that matches a city street.

• − Lower overall resolution and clarity compared to Model A.
• − The text on the cap is nonsensical ('TAT'), and the car exterior looks slightly dated or less 'New York City' style.
• − The capybara's expression is slightly less 'professional' and more blank.

FLUX.2 [pro]

• + Perfect text rendering for all requested fields with zero typos.
• + Clean and elegant gothic typography that is highly legible.
• + Balanced composition with professional-grade lighting on the central pumpkin.

• − The parchment texture is a bit subtle compared to the requested 'dark parchment poster' feel.

Seedream 4.0

• + Stronger visual atmosphere with the thorny border and torn parchment effects.
• + Excellent integration of the bats and twisted trees within the scene's depth.

• − The text on the scroll banner is messy and difficult to read.
• − Minor font inconsistencies and less professional text layout compared to Model A.

FLUX.2 [pro]

• + Excellent realism in hair texture and flow
• + Natural integration of the hairline and temples
• + Matches the existing facial hair colors perfectly

• − Significantly altered the original beard shape and color
• − Subtly changed facial features, making the eyes look slightly different

Seedream 4.0

• + Better preservation of the original face and beard
• + High adherence to the 'full, thick head of hair' instruction
• + Maintains original lighting and skin details

• − The hair looks like a wig with an unnatural, stiff shape
• − The hairline is slightly too straight and abrupt

FLUX.2 [pro]

• + Excellent layout with a clearly defined raised diorama base
• + Text is large, bold, and perfectly centered as requested
• + Clean, soft textures that match the '3D cartoon' aesthetic well

• − The rice texture on the front nigiri looks more like bumps than rice grains

Seedream 4.0

• + More realistic texture details on the fish and sushi rolls
• + Good utilization of the square format
• + Appealing use of the bamboo mat on the plate

• − Text is not perfectly centered and the font size isn't as bold as requested
• − Lacks the distinct 'raised diorama base' requested in the prompt, placing the plate directly on the background instead

FLUX.2 [pro]

• + Expertly incorporates all three themes: TV anchor (studio desk, microphones), dogs (animated characters), and hockey (hockey sticks, pucks, rink screen).
• + Creates a coherent, vibrant cartoon caricature style that is fun and consistent.
• + Maintains the recognizable features of the woman's face from the source image within the artistic style.

• − Completely changes the background and medium, losing the 'photo' look of the original image.
• − The dogs are generic cartoon characters rather than realistic representations.

Seedream 4.0

• + Preserves the original background and setting while adding new elements.
• + Excellent caricature of the face, keeping the photographic texture while distorting features for humor.
• + Clever integration of hockey (jerseys, stick) and a news microphone while maintaining the original selfie pose.

• − The hand holding the phone is anatomically small and slightly distorted.
• − Only includes one dog, whereas the prompt implies a more general 'love for dogs' which Model A represented more broadly.

FLUX.2 [pro]

• + Excellent light interaction and rim lighting on the fur.
• + High consistency in the textures of the meadow and dew drops.
• + Very clean anatomy for the animals included.

• − Failed to include the baby bunny requested in the prompt.
• − The kitten's stripes look slightly artificial/uniform.

Seedream 4.0

• + Included all four requested animals (puppy, kitten, bunny, and fox kit).
• + Captures the 'tumbling together' action more dynamically.
• + Beautifully rendered god rays and sparkling dew effects.

• − The fox kit has an anatomical error with its right front leg appearing to grow out of its chest.
• − The kitten's face is slightly distorted and less photorealistic than the other animals.

FLUX.2 [pro]

• + Perfectly captures the Studio Ghibli character design style with clean line art and expressive features.
• + Maintains the complex background details from the original photo while stylizing them.
• + Excellent preservation of the original poses and clothing patterns.

• − The color palette is a bit more muted/sepia than traditional vibrant Ghibli pastels.

Seedream 4.0

• + Beautiful watercolor texture that feels very hand-painted and dreamy.
• + Captures the wash-style aesthetic of Ghibli concept art.
• + Preserves the iconic composition and shapes of the original subjects.

• − Completely removes the background detail, replacing it with abstract washes.
• − The character in the red dress has slightly distorted anatomy in the face.

FLUX.2 [pro]

• + Excellent adherence to the 'hair blowing in wind' instruction with realistic strand separation.
• + Successfully added many flying leaves as requested.
• + Preserved the identity of the woman and the dog almost perfectly.

• − One large leaf is awkwardly positioned inside the dog's mouth.
• − A leaf is weirdly attached to the woman's denim jacket sleeve.

Seedream 4.0

• + Successfully applied the wind effect to the hair.
• + Added flying leaves throughout the scene.
• + Preserved the original background and dog very well.

• − Significant distortion and blurring of the woman's face compared to the source.
• − The leaves appear somewhat blotchy and less detailed than the rest of the image.

FLUX.2 [pro]

• + Perfect adherence to all prompt elements including the 'Est. 1720' banner and accent mark in 'Caffè'.
• + Sophisticated vector emblem style with clean lines and balanced circular composition.
• + Excellent use of subtle texture on the background and shading on the cloche.

• − The 'Est. 1720' text is slightly small compared to the main brand name.

Seedream 4.0

• + Strong, bold typography that is easy to read.
• + Good use of warm brown and cream tones with a nice hand-drawn feel.
• + Correct spelling and accent mark application.

• − The cloche and steam look a bit more like a cartoon illustration than a minimalist vector logo.
• − The 'Est. 1720' banner is slightly disconnected from the main emblem visually.

FLUX.2 [pro]

• + Excellent adherence to the clean, flat-vector aesthetic with sophisticated iconography.
• + Follows the NASA-inspired color palette perfectly with a professional layout.
• + Includes creative extra details like the astronaut silhouettes and specific location marking (Tranquility).

• − The placeholder text for descriptions is gibberish.
• − Merged the last two steps (Descent/Landing) into a single visual flow without distinct labels for both.

Seedream 4.0

• + Explicitly labels all six requested steps in a clear linear timeline.
• + High-quality text rendering for the main titles and labels.
• + Strong legibility and simple, icon-based communication.

• − The vector style is slightly inconsistent, with some elements appearing more like 3D renders than flat vector art.
• − Includes a gold color not requested in the palette and uses a more generic banner-style composition.
• − The Saturn V icon looks slightly distorted and lacks the precision of the other elements.