FLUX.2 [klein] 4B Black Forest Labs vs Seedream 4.5 ByteDance

FLUX.2 [klein] 4B

• + Excellent photographic realism with natural bokeh and depth of field.
• + Very accurate lighting that matches the requested 'soft window light from the left'.
• + Clean, modern composition with high material fidelity.

• − The glass cube perspective is slightly distorted near the top right edge.
• − The blue sphere appears more like a solid bead than glass, though its placement is correct.

Seedream 4.5

• + Strong adherence to the spatial constraints of the prompt.
• + The glass cube has realistic thickness and green-tinted edges typical of clear glass.
• + The small blue sphere feels more integrated into the surface it sits on.

• − The red book is much larger than the cube, creating an awkward overhanging composition.
• − Lighting is a bit harsh, creating sharp shadows that don't fully communicate 'soft' light.
• − The plant in the background is slightly less defined compared to the subject.

FLUX.2 [klein] 4B

• + Excellent preservation of the specific white car model and its details.
• + Effective motion blur on the wheels and road creates a sense of driving.
• + Perfectly captures the 'California coastline' background request.

• − The man's likeness is only generic and lacks the specific clothing details from the source image.
• − The man's face is slightly blurry and low in detail.

Seedream 4.5

• + Exceptional preservation of the subject's identity, including hair, coat, scarf, pants, and shoes.
• + High-quality, clear rendering of the man's face and hands.
• + Successfully merges both source images into the requested scene.

• − The car door is open while the car appears to be in motion, which is illogical.
• − The car has been modified into a different model or configuration compared to the source.

FLUX.2 [klein] 4B

• + Natural skin lighting and texture on the man's face
• + Good atmospheric rain effect and wet pavement reflections

• − The bicycle frame is physically impossible and nonsensical
• − The man's right hand is disconnected/merged poorly with the bicycle seat
• − Fails to include the requested motion blur from passing cars

Seedream 4.5

• + Excellent adherence to the motion blur instruction with passing cars
• + Stronger composition that feels more like a candid, imperfect framing
• + Detailed interaction between the man's hands and the bicycle chain

• − The bicycle tires and seat positioning are slightly inconsistent
• − Water droplets on the raincoat look a bit oversized and uniform

FLUX.2 [klein] 4B

• + Excellent depiction of ornate engraving on the armor
• + Very clear skin textures and realistic facial hair
• + Accurately represents the braided hair with small colored beads

• − Lighting feels a bit flat and artificial compared to the prompt's 'warm torchlight'
• − The bokeh sparks look like simple digital dots rather than integrated lighting elements

Seedream 4.5

• + Superior cinematic atmosphere with rich warm torchlight and dynamic bokeh sparks
• + High-quality textures on leather straps and cloth underlayer as requested
• + Lifelike eye rendering with excellent light catch and depth

• − The beads in the hair are concentrated in one area rather than throughout the braid
• − The close crop cuts out a significant portion of the armor's overall design

FLUX.2 [klein] 4B

• + Excellent photographic quality and lighting in the food images
• + Complex layout with sophisticated typographic hierarchy
• + Includes branding elements and a logo area

• − Text is largely gibberish or nonsensical characters
• − Grid layout is slightly cluttered compared to a minimalist approach

Seedream 4.5

• + Perfect adherence to specific section headers (Appetizers, Pizza, Mains)
• + Extremely clean, minimalist aesthetic with clear vibrant accents
• + Legible fonts and prices

• − Repetitive text entries (e.g., 'Pizza' listed twice under Pizza section)
• − Less complex layout than Image A

FLUX.2 [klein] 4B

• + Excellent photographic quality and lighting on the burger textures.
• + High-quality starburst graphic for the price tag.
• + Vibrant color palette and clean background sparks.

• − The primary text 'MAGIC BURGER' is severely garbled and unreadable.
• − The burger is not truly 'exploded'; it is just a fully assembled burger floating intact.

Seedream 4.5

• + Perfect text rendering for all requested copy including 'MAGIC BURGER'.
• + Successfully captures the 'exploded' concept with floating ingredients like pickles and tomatoes.
• + Dynamic fiery typography matches the prompt's requested style perfectly.

• − The main patty texture looks slightly less realistic compared to the other model.
• − The starburst design is slightly more generic in its geometric shape.

FLUX.2 [klein] 4B

• + Excellent realistic chalk texture on the board and within the letters.
• + Coherent cursive handwriting style consistently applied across all text.
• + Accurately represents the requested date and prices.

• − Numerous spelling errors including 'Truffel', 'Musheram', 'Ootrpous', and 'Brawn Buter'.
• − Poor spacing in the title with 'S PECIALS' having an unintentional gap.

Seedream 4.5

• + Perfect spelling for all requested menu items and the date.
• + Clean and legible handwriting that maintains a realistic chalk aesthetic.
• + Better composition and framing within a café environment.

• − Repetitive text in the first item line where '$24' is written twice.
• − The handwriting style is slightly more 'clean' and less textured than the smudge effects in the other model.

FLUX.2 [klein] 4B

• + Excellent adherence to the complex leg-crossing pose from Image 1.
• + Successfully combines clothing elements from both source images.
• + Maintains the hair length and flow from the pose reference while attempting the character's face.

• − The hair is a mix of the two characters, failing to keep the 'exact hair' from Image 2.
• − Notable anatomical issues with the left foot and right hand fingers.

Seedream 4.5

• + Perfectly replicates the character's facial features, haircut, sunglasses, and scarf from Image 2.
• + Very clean visual quality with high resolution and clear textures.
• + Excellent integration of the logo/text on the sweatshirt consistent with Image 2.

• − Fails to replicate the specific leg-crossing pose from Image 1, simplifying it significantly.
• − The character's expression is neutral rather than mimicking the lighting/angle of the original pose's head tilt.

FLUX.2 [klein] 4B

• + High resolution and clear textures on the spacesuit and horse fur.
• + Consistent lighting between the horse and the astronaut.
• + Cinematic composition with a realistic planet horizon.

• − Prompt adherence failure: shows an astronaut on a horse instead of the requested 'horse on top'.
• − Anatomical issues with the horse's legs appearing to emerge from clouds over Earth.

Seedream 4.5

• + Dynamic, cinematic pose with vibrant colors and nebulas.
• + Clean rendering of the astronaut's helmet and visor reflection.

• − Prompt adherence failure: shows an astronaut on a horse instead of the specific 'horse on top' instruction.
• − Anatomical artifact with an extra leg or stirrup floating behind the horse's belly.

FLUX.2 [klein] 4B

• + Successfully preserved the subject's face, hair, and vitiligo patterns with high fidelity.
• + Included the additional jewelry/accessories like the gold bracelets and necklaces requested.
• + Maintained consistent lighting and sand textures from the source image.

• − The scarf's pattern and color are slightly altered compared to the source image 2.
• − The hands are a bit muddled, and the pose interaction with the pockets is slightly unnatural.

Seedream 4.5

• + Excellent replication of the scarf's specific plaid pattern and colors.
• + Highly accurate rendering of the coat's fabric and buttons.
• + The hand holding the watch and ring is very well-detailed and anatomical.

• − Failed to include the gold neck chains and secondary bracelets found in image 2.
• − The transition between the vitiligo-patterned chest and the shirts looks like a rigid cutout.
• − Slightly changed the subject's expression and face shape compared to Image 1.

FLUX.2 [klein] 4B

• + Excellent photorealism in textures, especially the capybara's fur and the woman's coat
• + Realistic interior lighting matches the street-lit environment
• + Stronger spatial awareness with a better sense of depth and perspective

• − The vehicle size feels a bit cramped, looking more like a small hatchback than a New York sedan

Seedream 4.5

• + Composition through the windshield offers a better view of the 'New York' setting
• + Clear 'TAXI' text on the hat as requested
• + Front paws are well-positioned on the steering wheel

• − The lighting on the capybara's face is a bit flat compared to the passenger
• − The woman's hands and phone interaction are slightly less natural looking

FLUX.2 [klein] 4B

• + Excellent gothic typography style
• + Intricate thorny and webbed border design
• + Consistent 'parchment' texture across the whole frame

• − Major spelling errors in the main title
• − Inaccurate date ('206' instead of '2026') and typos in event details
• − Central jack-o-lantern is slightly off-center

Seedream 4.5

• + Perfect text rendering with no spelling errors
• + Clean, high-quality cinematic lighting around the jack-o-lantern
• + Accurate adherence to all requested event details including time and date

• − The 'thorns' look more like modern barbed wire
• − Composition feels a bit more generic compared to the first image
• − The spider webs are less integrated into a border

FLUX.2 [klein] 4B

• + Excellent texture and realistic hair volume
• + Maintains original facial features and lighting flawlessly
• + Highly natural hair integration with the background and ear area

• − None notable

Seedream 4.5

• + Successfully adds a full head of hair
• + Preserves the original facial features and background well

• − The hairline is a bit sharp/artificial in transition
• − The hair texture is slightly less detailed compared to Model A

FLUX.2 [klein] 4B

• + Excellent PBR textures with realistic translucency on the salmon
• + Clean and professional typography layout
• + Accurate 45-degree isometric perspective

• − Missed the 'small flag icon' (rendered a generic red/white block)
• − Lacks the requested 'raised diorama base', placing the plate directly on the background

Seedream 4.5

• + Successfully included the 'small flag icon' of Japan
• + Accurately rendered the 'raised diorama base' with layered textures
• + Greater variety of sushi types (nigiri and maki)

• − The 'J' in Japan is slightly stylistic/incomplete at the bottom
• − The textures feel slightly more matte/plastic compared to the requested realistic PBR look
• − Minor shadow clipping on the left side of the base

FLUX.2 [klein] 4B

• + Expertly captures the cartoon caricature style with exaggerated facial features and line art.
• + Clearly depicts the TV anchor profession with a full studio backdrop and news desk.
• + Includes two well-designed dogs that fit the artistic style of the image.

• − Completely fails to include any hockey-related elements.
• − The likeness to the original woman is significantly altered due to the heavy caricature style.

Seedream 4.5

• + Successfully includes all three requested elements: TV anchor (desk/mic), dogs, and hockey (stick/gloves/puck).
• + Maintains a much better facial likeness to the source image while still applying a bobblehead-style caricature effect.
• + Preserves the original background elements like the couch and picture frames from the source image.

• − The transition between the 3D realistic face and the slightly more stylized body is a bit jarring.
• − The scale of the hockey gloves and puck is slightly inconsistent with the rest of the desk items.

FLUX.2 [klein] 4B

• + Excellent anatomy and realistic fur texture for all animals
• + Stronger adherence to the 'hyper-photorealistic' part of the prompt
• + Clean lighting with distinct rays of sunlight

• − Missing the baby bunny requested in the prompt
• − Replaced the bunny with a second kitten

Seedream 4.5

• + Successfully included all four animals: puppy, kitten, bunny, and fox
• + Dynamic composition that better captures the 'chasing' and 'tumbling' action
• + Beautiful use of bokeh and 'dew sparkles' or floating particles

• − Anatomy of the fox is a bit stylized with unnaturally large eyes
• − Slightly more 'digital art' feel rather than hyper-photorealism

FLUX.2 [klein] 4B

• + Excellent soft pastel color palette and warm, nostalgic lighting.
• + Captures the 'dreamy' aspect of the prompt with beautiful background textures.
• + Maintains the pose and relative positioning of the characters well.

• − The art style leans more towards modern shoujo manga/anime than the specific Studio Ghibli aesthetic.
• − Character expressions are slightly softened, losing the sharp look of betrayal from the original meme.

Seedream 4.5

• + Perfectly captures the Studio Ghibli character design style, especially in the eyes and hair.
• + Superior preservation of the original image's background details, including the red bus.
• + Accurately translates the facial expressions into an animated style while maintaining the meme's intent.

• − The lighting is a bit flat compared to the 'warm/dreamy' request in the prompt.
• − The watercolor texture is slightly less pronounced than in Model A.

FLUX.2 [klein] 4B

• + Excellent source preservation, maintaining the exact identity of the woman and dog.
• + Natural-looking hair motion that follows the wind direction.
• + Subtle and realistic addition of autumn leaves.

• − The leash handle looks slightly distorted compared to the source.
• − Motion blur on the leaves is minimal.

Seedream 4.5

• + Great sense of kinetic energy with motion-blurred leaves in the foreground.
• + Effective hair flow that looks dynamic and lively.
• + Added sunlight flare enhances the 'energetic' feel requested.

• − Significant loss of source preservation; the woman's face and the dog's features have changed.
• − Structural changes to the woman's pose and clothing details from the original.

FLUX.2 [klein] 4B

• + Strong minimalist aesthetic with sharp vector lines.
• + Excellent background texture consistency.
• + Clean banner execution for the established date.

• − Major spelling error in the primary brand name ('FLAXTION').
• − Repetitive text elements below the banner create a cluttered layout.

Seedream 4.5

• + Perfect spelling of 'Caffè Florian'.
• + Better use of 'arch' typography which gives it a classic cafe feel.
• + High-quality vector cross-hatching shadows on the cloche dome.

• − The line weight of the steam is slightly inconsistent with the rest of the logo.

FLUX.2 [klein] 4B

• + Captures the requested navy, white, and red color palette effectively.
• + Detailed illustration of the lunar module on the surface.

• − Nonsensical and garbled text across the entire image.
• − Composition is cluttered and lacks the logical flow of an infographic.
• − Includes four silhouettes for a three-person mission.

Seedream 4.5

• + Perfect adherence to the 6-step logical flow requested in the prompt.
• + Excellent text rendering with no spelling errors for the main steps and names.
• + Clean, professional flat-vector aesthetic that matches the 'modern infographic' request.

• − The 'Descent' icon is a generic satellite rather than a lunar module descent stage.
• − Minor iconographic mismatch for step 3 where the arc terminates before the moon.