FLUX.2 [klein] 4B Black Forest Labs vs Seedream 4.0 ByteDance

FLUX.2 [klein] 4B

• + Excellent photographic realism with natural window light and depth of field.
• + Accurate glass refraction and reflections on the interior base.
• + The red book looks very tactile and physically sits realistically on the cube.

• − The plant is more 'beside/behind' than 'behind and visible through the glass' compared to the other model.
• − The blue sphere appears slightly more opaque than a typical glass bead, though it matches the prompt.

Seedream 4.0

• + Perfectly captures the 'partially visible through the glass' aspect of the plant.
• + The blue sphere has a nice luminous quality.
• + Adheres strictly to all spatial instructions in the prompt.

• − The lighting is a bit harsher and the shadow of the book on top of the cube feels slightly disconnected.
• − The glass cube edges look a bit more like a fish tank with visible seals/glue rather than a solid glass cube.

FLUX.2 [klein] 4B

• + Excellent preservation of the source car's scale and details.
• + The coastline environment is very realistic and matches the lighting of the car.
• + The man's clothing (plaid jacket) is consistently referenced from the source.

• − The man appears slightly small and deep in the seat compared to a real driver.
• − Motion blur on the wheels is present but a bit inconsistent with the car's orientation.

Seedream 4.0

• + Strong preservation of the man's full outfit including the prominent black scarf.
• + Good dynamic composition with a winding road that feels like the Pacific Coast Highway.
• + The man's hairstyle is perfectly preserved from the source image.

• − The car has lighting glitches, particularly the overly bright white patch on the door.
• − The proportions of the car's body feel slightly stretched or distorted compared to the source.

FLUX.2 [klein] 4B

• + Excellent skin texture and facial detail on the subject
• + Stronger atmospheric lighting and reflections on the pavement
• + Dynamic but grounded composition that feels candid

• − The cars in the background lack the requested motion blur, appearing mostly static
• − The bicycle geometry is slightly warped near the pedals

Seedream 4.0

• + Accurately captured the motion blur from a passing car as requested
• + Includes believable tools on the ground that add to the 'repairing' narrative
• + Good use of reflections in the foreground puddles

• − The man's hands fused together while working on the bike
• − Lower overall resolution and slightly muddled facial details compared to the other model

FLUX.2 [klein] 4B

• + Symmetrical and clean composition
• + Highly detailed engraving on the plate armor
• + Accurate skin textures including pores and fine lines

• − The lighting feels a bit flat and less like natural torchlight
• − The hair beads are very small and less prominent than requested
• − Battle-worn effects like scars looks a bit like stickers rather than depth-based wounds

Seedream 4.0

• + Excellent use of warm torchlight with high-contrast shadows
• + Beautifully rendered hair braids with distinct, decorative beads
• + More convincing 'battle-worn' appearance with grittier dirt and skin texture

• − The leather strap across the chest has slightly messy buckle geometry
• − Slightly less 'close-up' on the face compared to Model A

FLUX.2 [klein] 4B

• + The layout much more closely resembles a functional menu with structured columns and price listings.
• + It features a consistent grid system and a clean white background that feels professional.
• + The food photography is high quality and well-integrated into the design.

• − The text is almost entirely gibberish (pseudo-Latin or nonsensical characters).
• − The section headers are inconsistent or misspelled (e.g., 'MDAINS' instead of 'Mains').

Seedream 4.0

• + The section headers for 'Appetizers', 'Pizza', and 'Mains' are spelled correctly and clearly legible.
• + The sans-serif font is bold and matches the prompt requirements.

• − The layout is cluttered and lacks the professional structure of a real menu.
• − It contains no pricing or description text, functioning more like a collage than a menu.

FLUX.2 [klein] 4B

• + Excellent rendering of the €6.99 price and starburst element.
• + High photorealistic texture on the bun and patties.
• + Strong secondary text rendering for 'LIMITED TIME ONLY'.

• − Failed the 'exploded' instruction, showing a mostly assembled burger.
• − Major spelling and formatting errors in the main 'MAGIC BURGER' title.
• − Static composition compared to the dynamic motion requested.

Seedream 4.0

• + Successfully followed the 'exploded' instruction with components suspended in air.
• + Perfect spelling and fiery effect for the 'MAGIC BURGER' title.
• + Effective use of motion blur and swirling effects to convey energy.

• − Incorrect price value displayed (€5.99 instead of €6.99).
• − Lower resolution textures on the food components compared to the competitor.
• − The lower half of the burger is partially assembled rather than fully exploded.

FLUX.2 [klein] 4B

• + Features a very clean, flat perspective that makes the text easy to read.
• + Accurately represents the smudging and chalk dust texture on the surface of the board.

• − Significant spelling errors in every menu item name (e.g., 'Truffel Musheram', 'Ootrpous', 'Brawn Buter').
• − Inconsistent spacing in the title phrasing ('S TPECIALS').

Seedream 4.0

• + Excellent spelling accuracy for all complex menu items and dates.
• + Superior aesthetic composition with a realistic cafe background and natural chalk texture.
• + Followed the handwriting style request much more elegantly than the competitor.

• − The perspective is slightly angled, which can make long lines of text a bit tighter on the right edge.

FLUX.2 [klein] 4B

• + Perfectly replicates the complex leg and foot positioning from Image 1.
• + Successfully incorporates the black sweater, checkered scarf, and sunglasses from Image 2.
• + Maintains the exact yellow background and red ottoman environment.

• − The hair length is much longer than the character in Image 2.
• − There is a slight anatomical warping where the scarf meets the neck.

Seedream 4.0

• + Good inclusion of clothing details like the scarf and black sweatshirt.
• + Captures the facial features and hair texture of the character well.

• − Fails to match the pose, missing the crossed legs and forward-leaning torso of Image 1.
• − Significant anatomical errors are present in the facial features and the attachment of the arms.
• − The stool lacks the shadows and grounding seen in Image 1.

FLUX.2 [klein] 4B

• + Excellent anatomical clarity and sharp details on the astronaut suit.
• + Good integration of the dust effects beneath the horse's hooves over the planet surface.
• + Strong cinematic lighting consistent with a space environment.

• − The horse's front left leg has anatomical issues, appearing to bend incorrectly.
• − Interpretation is quite literal and standard rather than surreal.

Seedream 4.0

• + Dynamic composition and more energetic, cinematic posing of the horse.
• + Very creative reflection on the astronaut's visor showing a nebula.
• + Effective use of motion blur in the horse's mane adds to the 'surreal' quality requested.

• − Lower resolution/clarity compared to Model A, especially in the background stars.
• − The horse's head is slightly disproportionate to its body.

FLUX.2 [klein] 4B

• + Perfectly preserves the source person's face, skin patterns, and hair without alteration.
• + Maintains the exact background and lighting from the original image.
• + Integrates the clothing with realistic fabric folds and a pose that matches the source.

• − The coat is missing the shirt underneath, leaving the chest exposed.
• − The scarf pattern is a bit simplified compared to the source.

Seedream 4.0

• + Includes more details of the outfit like the shoes and sunglasses.
• + Accurately captures the plaid pattern of the scarf.

• − Fails the source preservation requirement by changing the person's face and adding facial hair.
• − Distorts the skin vitiligo patterns into a generic textured skin effect.
• − Low-quality resolution with significant artifacts around the edges of the person.

FLUX.2 [klein] 4B

• + Excellent photorealistic texture on the capybara fur and jacket.
• + Perfect adherence to the prompt regarding the passenger's expression and activity.
• + Strong internal composition that makes the viewer feel like they are inside the car.

• − The scale of the capybara relative to the car interior makes it look slightly too large for the seat.

Seedream 4.0

• + Natural cinematic lighting and realistic exterior city bokeh.
• + Accurate placement of the paws on the steering wheel.
• + Good use of the yellow taxi color in the framing.

• − The human passenger's face is slightly blurry and lacks the 'bored' professional detail requested.
• − The capybara's fur texture is a bit muddy compared to the other model.

FLUX.2 [klein] 4B

• + Excellent layout balance with centered pumpkin.
• + Highly detailed cobweb and thorn border.

• − Significant spelling errors in the main title.
• − Missing the 'Time' detail requested in the prompt.

Seedream 4.0

• + Perfectly rendered main title text.
• + Includes all requested event details including time.
• + Atmospheric thorn and parchment integrated border.

• − Banner text is slightly garbled and difficult to read.
• − Composition feels a bit more cluttered than the competing image.

FLUX.2 [klein] 4B

• + Excellent realistic hair texture with natural waves and flyaways
• + Flawless preservation of facial features, glasses, and the background
• + The hair integrates perfectly with the existing sideburns and lighting

• − None

Seedream 4.0

• + Successfully adds a full head of hair
• + Preserves the overall composition and background of the original image

• − The hair texture looks soft, blurry, and artificial compared to the rest of the image
• − The hairline is unnaturally straight and lacks realistic transition
• − Slight distortion to the shape of the crown and forehead area

FLUX.2 [klein] 4B

• + Excellent PBR textures and soft lighting
• + Clean, minimalist composition
• + High-fidelity rendering of the sushi materials

• − Text is truncated to 'SUSH' instead of 'SUSHI'
• − The flag icon is incorrect (looks like Austria or a generic red/white bar)
• − Rice grains look slightly uniform and artificial

Seedream 4.0

• + Perfect text rendering for both 'JAPAN' and 'SUSHI'
• + Accurate Japanese flag icon
• + Follows the 'raised diorama base' prompt more closely with the wooden slats and feet

• − Slightly busier composition than requested for 'minimal garnish'
• − Lighting is a bit harsher/flatter compared to the 'gentle' request in Model A

FLUX.2 [klein] 4B

• + Excellent caricature style with great facial exaggeration
• + Strong thematic environment for a TV anchor

• − Completely missed the hockey element
• − Lost original photo likeness in favor of a generic cartoon face

Seedream 4.0

• + Successfully incorporated all three themes: TV anchor, dog, and hockey
• + Highly recognizable likeness to the original photo
• + Maintained the background context of the original photo better

• − The transition between the realistic selfie arm and the caricature head is slightly uncanny
• − The microphone and desk are a bit small and lack detail

FLUX.2 [klein] 4B

• + Excellent character rendering with very realistic fur textures
• + Beautiful god rays and atmospheric lighting
• + High image clarity and sharp focus

• − Missed the baby bunny entirely, replacing it with a second kitten
• − The animals are more static than 'tumbling' or 'playfully chasing'

Seedream 4.0

• + Included all four requested animals: puppy, kitten, bunny, and fox kit
• + Dynamic 'tumbling' poses that perfectly capture the playful action
• + Exaggerated dew sparkles and warm lighting create a magical atmosphere

• − The fox's anatomy is slightly distorted in the tumbling pose
• − Heavy bloom and sparkles slightly obscure fine fur detail

FLUX.2 [klein] 4B

• + Excellent preservation of the source composition and architecture.
• + High level of detail in the character expressions and clothing patterns.
• + Successfully captures a soft, shoujo-manga aesthetic with delicate line work.

• − Lacks the characteristic Studio Ghibli 'hand-painted' watercolor look, appearing more like modern digital anime.
• − The woman on the right loses her angry expression, which is key to the original meme.

Seedream 4.0

• + Perfectly captures the Studio Ghibli 'watercolor' and 'hand-painted' texture request.
• + Simplifies the character designs into the iconic Ghibli style while maintaining their identities.
• + Preserves the indignant facial expression of the girlfriend on the right.

• − The background is overly abstracted into colors rather than a 'dreamy background' scene.
• − Some anatomical stiffness in the leading woman's neck and jaw area.

FLUX.2 [klein] 4B

• + Excellent preservation of the subject's face and original clothing details.
• + Realistic wind effect on the hair that flows naturally from the scalp.
• + High-resolution details maintained across the entire image.

Seedream 4.0

• + Successfully adds wind-blown hair and leaves as requested.
• + Adds a warm sun flare effect that contributes to an 'energetic' feel.

• − Noticeable loss of sharpness and fine detail compared to the original.
• − The hair edit looks slightly more 'painted on' and less integrated at the hairline.
• − Introduces a hazy quality that reduces overall visual clarity.

FLUX.2 [klein] 4B

• + Clean vector-style execution with high clarity
• + Includes the requested steam and banner elements

• − Significant spelling error in the main brand name ('FLAXTION' instead of 'Florian')
• − Redundant repetition of 'Est. 1720' text

Seedream 4.0

• + Perfect text rendering of 'Caffé Florian'
• + Elegant arched typography and superior color palette with cream highlights
• + Better adherence to the 'vintage' and 'retro' style requests

• − The 'Est. 1720' is slightly off-center on the banner ribbon

FLUX.2 [klein] 4B

• + Successfully uses the requested muted color palette
• + Features clean, high-quality vector illustrations of the Saturn V and Lunar Module

• − Text rendering is mostly gibberish, failing the 'Apollo 11' title
• − Fails to follow the sequential numbering or logical flow requested in the prompt

Seedream 4.0

• + Excellent adherence to the sequential 1-6 step structure requested
• + Text is highly legible and correctly identifies 'Launch', 'Earth Orbit', 'Landing', and crew names
• + Consistent iconography across all phases of the mission

• − The 'Descent/Surface' labels are slightly mashed together in step 5
• − The red used is a bit bright compared to the 'muted red' requested