FLUX.2 [klein] 9B Black Forest Labs vs Seedream 4.5 ByteDance

FLUX.2 [klein] 9B

• + Excellent photographic realism with natural textures and lighting
• + Strong adherence to the spatial requirements of the prompt
• + Accurate rendering of light refraction through thick glass

• − The glass cube has internal glass geometry that looks more like a vase or container than a solid-walled cube

Seedream 4.5

• + Perfectly clear glass cube construction with sharp edges
• + Very clean, minimal composition
• + Accurate shadow and reflection of the blue sphere

• − The plant is significantly more blurred and less visible than requested
• − The glass cube appears to have no top surface, making the book look like it is floating or resting on the edges only

FLUX.2 [klein] 9B

• + Excellent preservation of the original car model and its lighting
• + Dynamic sense of motion with blurred wheels and road
• + Accurate Californian coastline environment

• − The person from the source image is barely visible as a silhouette
• − Does not follow the instruction to have 'the man' specifically driving visible in the frame

Seedream 4.5

• + Perfectly preserves the man's identity, clothing, and accessories from the source image
• + High level of detail in the car's interior and door mechanism
• + Clear adherence to the instruction showing the specific man driving

• − The car door is open while the car is supposedly in motion
• − The car model has changed significantly (e.g., door handle and trim details) from the source vehicle

FLUX.2 [klein] 9B

• + Excellent adherence to the 'hair braided' and 'beads' instruction with a symmetrical, clear hairstyle.
• + Very detailed engraving on the plate armor and highly visible leather texture on the straps.
• + Strong symmetry and clear lighting from the torches.

• − The lighting feels a bit disconnected/artificial compared to the background elements.
• − The skin texture is slightly over-sharpened, giving it a somewhat digital look.

Seedream 4.5

• + Superior lighting and atmosphere with a more natural interaction between the torchlight and the skin/metal.
• + Exceptional skin detailing featuring realistic pores, dirt, and lifelike eyes as requested.
• + Beautiful bokeh and shallow depth of field that creates a cinematic, high-quality feel.

• − The composition is a bit tight on the left side, clipping the flame.
• − The hair braids are less distinct than in Model A.

FLUX.2 [klein] 9B

• + Stronger adherence to the 'grid' layout requested in the prompt.
• + Contains better food photography details.
• + Comprehensive inclusion of all menu sections (Appetizers, Pizza, Mains).

• − Text is largely gibberish and has overlapping letters in the header.
• − The logic of categories is flawed as all images are of pizza regardless of the header.
• − Visible text artifacts and poor kerning in the lowercase text.

Seedream 4.5

• + Extremely clean and professional minimalist layout.
• + Accurate food representation for each specific section (Appetizers, Pizza, Mains).
• + Better rendering of legible font and numerical prices.

• − Less of a 'grid' compared to a vertical list with large hero images.
• − The pricing is unrealistic (e.g., $99 for 'Manu').

FLUX.2 [klein] 9B

• + Excellent typography with clean, professional-looking flame effects on the main title.
• + The 'exploded' effect is clear with distinct vertical separation of the ingredients.
• + Vibrant colors and high-contrast lighting make the burger look appetizing.

• − The 'starburst' element for the price is a bit large and overlaps with the bottom bun.

Seedream 4.5

• + Very dynamic motion blur on the flying vegetable slices enhances the 'exploded' feel.
• + The main title features a highly creative and integrated fire effect that looks very 'magical'.
• + Incorporates realistic embers and a ground-level fire source that adds depth.

• − The burger ingredients are less 'exploded' vertically than request, appearing mostly stacked.
• − The text 'LIMITED TIME ONLY' is slightly less crisp than in the other version.

FLUX.2 [klein] 9B

• + Excellent chalk texture on the board surface
• + Highly consistent font style across all text
• + Clean and readable layout

• − One major spelling error ('Mushrropom')
• − The text looks slightly digital/synthetic despite the texture

Seedream 4.5

• + Perfect spelling of all menu items
• + Highly realistic chalk handwriting with natural variations in stroke weight
• + Beautiful environmental lighting and composition

• − The date line is slightly more cramped than the main title

FLUX.2 [klein] 9B

• + Excellent adherence to the complex leg-crossing pose from Image 1.
• + Accurately replicates the character's facial features, sunglasses, and the specific plaid scarf.
• + Strong integration with the yellow background and red ottoman from the source image.

• − The left hand is rendered as a clenched fist instead of the open gesture from Image 1.
• − One of the feet has an anatomical issue with too many toes.

Seedream 4.5

• + Successfully replicates the character's face, sunglasses, and scarf detail.
• + Good lighting and color matching to the original studio environment.

• − Fails to replicate the specific pose from Image 1, opting for a standard balancing pose instead.
• − The body orientation is upright rather than the dynamic forward-leaning tilt requested.
• − Significant anatomical issue where the legs join the torso.

FLUX.2 [klein] 9B

• + High resolution and Sharp details in the texture of the space suit and horse fur.
• + Cinematic lighting with a complex, detailed background featuring multiple galaxies and planets.

• − Failed the negative constraint; the astronaut is riding the horse instead of the horse on top.
• − Unwanted gibberish text at the bottom of the image.

Seedream 4.5

• + Dynamic and aesthetically pleasing composition with a beautiful nebula background.
• + Good anatomical consistency for the horse and astronaut relative to each other.

• − Failed the negative constraint; the astronaut is riding the horse.
• − Slightly less clarity and sharpness compared to the other model.

FLUX.2 [klein] 9B

• + Excellent adherence to the clothing style including the coat, scarf, and jeans.
• + Near-perfect facial preservation and hair detail from Image 1.
• + Accurately rendered gold jewelry (watch, bracelet, necklace) inspired by the references.

• − Small facial distortion where the jaw meets the coat collar.
• − The lighting on the jeans is a bit more contrasty than the original beach scene.

Seedream 4.5

• + Successfully integrated the coat and watch from Image 2.
• + Maintained the subject's face and hair very well.

• − Major error in placing vitiligo skin texture on top of the black shirt instead of layering the clothes correctly.
• − Distorted first finger on the hand in the foreground.
• − The scarf pattern and placement are less coherent than in the other model.

FLUX.2 [klein] 9B

• + Excellent photorealistic lighting on the capybara's fur and the woman's face.
• + Accurately places the passenger in the passenger seat versus the driver's side.
• + Highly detailed textures on the capybara's jacket and the dashboard.

• − The passenger is sitting in the front passenger seat instead of the back seat as requested.
• − The text on the cap is slightly garbled.

Seedream 4.5

• + Perfectly follows the spatial instruction of having the woman in the back seat.
• + Very clear, legible text on the driver's cap.
• + The capybara's expression is very calm and fits the prompt perfectly.

• − The woman's hands and eyes have slight anatomical inconsistencies.
• − Technical artifacts present in the reflections on the windshield.

FLUX.2 [klein] 9B

• + Perfect adherence to all text requirements with zero spelling errors.
• + Integrated layout where the border, background, and text feel like a cohesive poster.
• + Excellent gothic typography that matches the 'vintage' aesthetic requested.

• − The jack-o-lantern face is slightly generic compared to the background detail.

Seedream 4.5

• + High-quality cinematic lighting on the pumpkin and ground texture.
• + Detailed rendering of the thorny vines in the foreground.

• − Missed the 'dark parchment' texture requested for the background.
• − The text layout feels disjointed from the background, like a simple digital overlay.
• − The border of thorns is only at the bottom rather than surrounding the poster.

FLUX.2 [klein] 9B

• + Excellent texture and realistic hair volume
• + Maintains original facial features and lighting perfectly
• + Natural integration of hair with the existing sideburns and beard

• − The curly style may be a more drastic change than a standard 'full head of hair' implies

Seedream 4.5

• + Very conservative and grounded hair style
• + Perfectly preserves the source image's clothing, background, and lighting
• + Realistic hairline placement

• − The hair texture appears slightly flat or painted on in some areas compared to the beard
• − The hair color is slightly darker than the beard, creating a minor mismatch

FLUX.2 [klein] 9B

• + Excellent typography rendering with clean, bold characters.
• + High-quality wooden texture on the diorama base.
• + Soft, pleasing 3D cartoon aesthetic that matches the 'refined textures' prompt.

• − The flag icon is incorrect, resembling the flag of Yemen rather than Japan.
• − The sushi rolls have some unusual internal structure/clipping.

Seedream 4.5

• + Correctly identifies and renders the Japanese flag icon.
• + Strong PBR material feel with realistic subsurface scattering on the salmon.
• + Better lighting and shadows that give the scene more depth.

• − The diorama base texture is a bit grainy compared to the requested 'soft refined textures'.
• − Typography is slightly less crisp than Model A.

FLUX.2 [klein] 9B

• + Excellent narrative integration, placing the subject in a hockey arena setting with a TV news desk.
• + Strong caricature style with highly exaggerated features that suit the 'humorous' request.
• + Successfully incorporates multiple dogs and hockey fans into the background.

• − The facial likeness to the source image is less recognizable due to the heavy cartoon stylization.
• − Includes some messy line work and gibberish text typical of generative art.

Seedream 4.5

• + Maintains a high level of facial resemblance to the source image while applying the 'big-head' caricature style.
• + Clean, high-resolution aesthetic with very realistic textures.
• + Directly includes requested elements like the hockey stick, puck, and a dog.

• − The composition feels a bit more static and less creative than Model A's arena concept.
• − The hand rendering at the desk is slightly small and disproportionate.

FLUX.2 [klein] 9B

• + Excellent fur texture and sharpness across all animals.
• + Vibrant and diverse wildflower meadow composition.
• + Great lighting with well-defined god rays.

• − Failed to include the baby bunny requested in the prompt.
• − The kittens pose is slightly awkward and less dynamic than the others.

Seedream 4.5

• + Successfully included all four requested animals (dog, cat, fox, and bunny).
• + Dynamic sense of motion with the animals 'tumbling' and chasing.
• + Beautiful atmospheric effects with dew sparkles and golden hour light.

• − The fox's eyes appear slightly over-stylized/cartoonish compared to the photorealistic request.
• − Some minor anatomical blurring on the back legs of the fox and kitten.

FLUX.2 [klein] 9B

• + Excellent adherence to the 'soft pastel' and 'hand-painted textures' prompt.
• + Creative choice to change the background to a Ghibli-esque countryside while keeping the composition.

• − Loses the facial expressions of the original meme, particularly the girlfriend's shock.
• − The style leans more toward generic modern shoujo manga than specific Ghibli aesthetics.

Seedream 4.5

• + Perfectly captures the distinct Ghibli character design (eyes, nose, hair shading).
• + Maintains high source preservation for the background environment and the characters' expressions.
• + Accurately replicates the 'disloyal man' meme's emotional cues within the new art style.

• − The transition between the sharp line art of the characters and the watercolor background is a bit harsh.

FLUX.2 [klein] 9B

• + Excellent preservation of the original image's lighting, skin tones, and background details.
• + High-density fall of leaves that feels integrated with the scene.
• + The hair manipulation successfully creates a dynamic, wind-blown effect while maintaining clear strand detail.

• − The hair movement looks slightly symmetrical and a bit forced compared to natural wind.

Seedream 4.5

• + Successfully captures a sense of 'energetic' motion by changing the leg/stride positions of the woman and dog.
• + Natural-looking wind-blown hair with good flow in a singular direction.
• + The use of lens flare and blur adds to the requested lively feel.

• − Poor source preservation; the model significantly altered the faces of both the woman and the dog.
• − The leaves are fewer and some appear to have low-resolution or blurry edges.

FLUX.2 [klein] 9B

• + Excellent typographic clarity and alignment.
• + Clean vector emblem style with balanced line weights.
• + Perfect spelling of names and dates.

• − The steam element looks a bit thick and stylized compared to a realistic steam wisp.
• − The banner is overlaid on the dome in a way that creates a slightly awkward visual tangent.

Seedream 4.5

• + Elegant arched typography that follows the curve of the cloche.
• + Higher level of detail in the 'vintage' texture, including cross-hatching on the dome.
• + The banner design feels more classically 'retro' with the etched lines.

• − The alignment of the banner is slightly off-center relative to the cloche base.
• − The steam wisps are very small and look a bit detached from the handle.

FLUX.2 [klein] 9B

• + Features a bold, modern title with good contrast
• + Includes creative character silhouettes and a more complex illustration style

• − Incorrect text spelling (e.g., 'AOILLO', 'EARDHT', 'TRANSLURAL')
• − Confusing flow and layout that doesn't follow a clear chronological sequence

Seedream 4.5

• + Excellent adherence to the chronological timeline and layout requests
• + Near-perfect spelling of technical terms and mission phases
• + Clean, consistent iconography that perfectly matches the 'NASA-inspired palette'

• − Icon for 'Descent' (step 5) looks like a satellite rather than a lunar module
• − Large amount of white space at the bottom reduces visual balance slightly