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

FLUX.2 [max]

• + Excellent photorealism with realistic textures for the book cover and wood grain.
• + Superior lighting effects, including soft shadows and a convincing mirror-like reflection at the base of the cube.
• + Clean, modern composition with a shallow depth of field that highlights the subject.

• − The plant in the background is quite blurry, making 'partially visible through the glass' less distinct.

Seedream 4.0

• + Follows the prompt instructions for spatial relationships accurately.
• + The plant is clearly visible through the glass as requested.
• + Realistic sunlight patterns on the wooden table surface.

• − The glass cube has slightly messy edges/corners with some visual artifacts.
• − The lighting on the blue sphere looks a bit flat compared to the rest of the scene.

FLUX.2 [max]

• + Perfect preservation of the car's model and specific details
• + Excellent character consistency including the specific plaid pattern of the coat
• + High resolution with sharp details on the background scenery

• − The man is positioned as a passenger rather than the driver (left-hand drive car)

Seedream 4.0

• + Correctly places the man in the driver's seat
• + Good adherence to the requested motion/driving theme
• + Maintains identifiable features of both the car and the man

• − Noticeable loss of detail on the car's grille and headlights
• − Visible artifacts and blurring in the background
• − Anatomy issues with the driver's left hand and steering wheel connection

FLUX.2 [max]

• + Excellent skin texture and realistic age details on the face and hands.
• + Strong cinematic lighting with accurate bokeh and rain drops on the jacket.
• + Perfect adherence to the 50mm lens and shallow depth of field request.

• − The 'motion blur from passing cars' is minimal, as the car appears nearly stationary.
• − A strange floating cable/artifact is visible near the man's mouth.

Seedream 4.0

• + Stronger execution of the requested motion blur on the passing vehicle.
• + Includes repair tools on the ground which enhances the narrative.
• + Clear, high-contrast reflections on the wet pavement.

• − Anatomical issues with the hands, which look merged and messy.
• − The bicycle's geometry is nonsensical, especially the frame/pedal connection.
• − The overall image quality is softer and looks more like a digital painting than a 50mm photo.

FLUX.2 [max]

• + Incredible detail on the armor engravings and leather textures
• + Subtle and realistic integration of scars and dirt
• + Perfect lighting that highlights the material differences between metal and cloth

• − The beads in the hair are less distinct as separate elements compared to the other model

Seedream 4.0

• + Excellent depiction of hair braids and decorative beads
• + Strong cinematic lighting with a visible torch source
• + Good adherence to the requested cloth underlayer (hood/scarf)

• − Armor engravings look a bit muddy and lack the sharpness of the competitor
• − The sparks look slightly more artificial and motion-blurred in a way that obscures the subject

FLUX.2 [max]

• + Strict adherence to a functional menu layout including pricing and descriptions.
• + Excellent text rendering with clean sans-serif fonts.
• + Well-organized grid of food items that complements the text sections.

• − Some food labels don't perfectly match the photos (e.g., 'Pizza' section lists items that look like wraps or sandwiches).
• − Minor gibberish in the smaller descriptive text.

Seedream 4.0

• + High-quality, vibrant food photography.
• + Bold, clear text for category headers.

• − Failed to create a functional menu; it is just a collage of photos and headers.
• − Missing actual menu items, prices, and descriptions requested in the prompt.
• − Composition is unbalanced with significant white space and overlapping elements.

FLUX.2 [max]

• + Excellent font rendering and adherence to exact pricing text
• + Superior photorealistic textures on the burger bun and meat patty
• + Very clean composition that looks like a high-end commercial asset

• − The 'exploded' effect is a bit condensed compared to the dynamic motion requested

Seedream 4.0

• + Dynamic sense of motion with swirling light trails and floating components
• + Highly creative fiery background with literal flames integrated into the text
• + Effective exploded composition spanning the frame

• − Failed to follow the pricing requirement, displaying €5.99 instead of €6.99
• − The burger structure is physically confusing with multiple patties/heads that don't quite align
• − Slightly less realistic textures compared to the competitor

FLUX.2 [max]

• + Excellent text rendering with no spelling errors across all items.
• + Very clean and balanced composition following the prompt's layout literally.
• + Realistic chalk texture and board smudges enhance the 'handwritten' feel.

• − The handwriting style is slightly too consistent, bordering on a digital font look.
• − The lighting is a bit dramatic and dark for a 'cozy café' atmosphere.

Seedream 4.0

• + Stronger 'handwritten' feel with realistic variations in slant and letter size.
• + Excellent environmental context that feels like a real café setting.
• + Very expressive cursive title that perfectly matches the 'elegant' prompt requirement.

• − Includes a minor layout issue where text wraps awkwardly (Risotto).
• − Chalk dust effects are slightly heavy, occasionally obscuring the legibility of the bottom text.

FLUX.2 [max]

• + Excellent character preservation, including the facial features, sunglasses, hair, and scarf from Image 2.
• + Highly accurate recreation of the dynamic pose from Image 1, including the specific leg crossing and foot placement.
• + Flawless integration of the character into the lighting and environment of the source scene.

• − Small anatomical artifacts on the left hand fingers.
• − The character's feet look slightly larger than natural proportion for the body size.

Seedream 4.0

• + Successfully incorporates the scarf and general color palette from the character reference.
• + Maintains the yellow background and red ottoman from the source environment.

• − Fails to capture the character's face, hair, and skin tone, creating a hybrid that looks like a different person.
• − The pose is simplified and loses the specific crossed-leg balance seen in Image 1.
• − Significant facial distortions and blurred textures throughout the image.

FLUX.2 [max]

• + Excellent composition with the subject centered on a floating asteroid
• + High level of detail on the spacesuit and horse's anatomy
• + Superior cinematic lighting and background galaxy rendering

• − Failed the negative constraint; the astronaut is riding the horse, not the other way around

Seedream 4.0

• + Dynamic pose with the horse rearing
• + Good reflections within the astronaut's visor
• + Clear high-contrast colors in the nebula background

• − Failed the negative constraint; the astronaut is riding the horse
• − The anatomy of the horse's front legs is slightly distorted
• − Lower overall resolution and sharpness compared to Image A

FLUX.2 [max]

• + Excellent preservation of the person's original facial features and expression.
• + Successfully identifies and integrates specific accessories like the ring and watch from Image 2.
• + High-quality lighting and fabric integration that feels grounded in the beach environment.

• − The scarf pattern is a very close approximation rather than an exact pixel-for-pixel replica.
• − Lacks the sunglasses part of the 'entire outfit' request.

Seedream 4.0

• + Correctly includes the sunglasses from Image 2.
• + Captures the full-body pose including the shoes as requested.

• − Fails to preserve the source face, blending it heavily with the man in Image 2.
• − Poor resolution and blurry textures across the entire image.
• − Significant artifacts around the hand in the pocket and facial features.

FLUX.2 [max]

• + Excellent atmospheric lighting and skin/fur textures.
• + Very high quality rendering of the taxi's dashboard and equipment.
• + Strong cinematic composition through the side window.

• − The capybara has human hands instead of paws as requested.
• − The businesswoman's face is slightly distorted by the phone light glow.

Seedream 4.0

• + Successfully rendered paws on the steering wheel instead of human hands.
• + The businesswoman's expression perfectly captures the 'bored and normal' requirement.
• + Clearer view of both the driver and the passenger within the frame.

• − The taxi exterior looks slightly more artificial/digital than Model A.
• − The cap and jacket textures are less detailed than the competitor.

FLUX.2 [max]

• + Perfect text rendering for all requested strings.
• + Clean, professional layout with a clearly defined gothic border and central pumpkin.
• + Excellent calligraphic scroll detail.

• − The dark parchment texture is a bit subtle compared to Model B.

Seedream 4.0

• + Stronger 'vintage gothic' atmosphere with more aggressive thorn and parchment textures.
• + More dynamic, twisted tree silhouettes that match the prompt well.

• − Text on the scroll banner is messy and almost illegible.
• − The font for the bottom details is slightly warped.
• − The border thorns are a bit overwhelming and clutter the composition.

FLUX.2 [max]

• + Natural-looking hair texture and volume.
• + Realistic graying hair on the sides that matches the existing beard.
• + Maintains excellent facial structure preservation.

• − Inadvertently lightened the color of the beard chin area.
• − Slightly changed the shape of the glasses frame on the left side.

Seedream 4.0

• + Successfully added a large volume of hair.
• + Preserves the original beard color and texture perfectly.

• − Hair looks like a wig or a 'helmet' due to the uniform texture.
• − The hairline is unnaturally straight and high, looking pasted on.
• − Slightly softened the skin texture compared to the original.

FLUX.2 [max]

• + Excellent adherence to the isometric perspective and diorama base request.
• + Crisp and accurate text rendering with a clean layout.
• + High-quality 3D rendered aesthetic with soft, professional lighting.

• − The sushi models are a bit simplified/stylized compared to the 'refined textures' request.

Seedream 4.0

• + Beautifully detailed textures on the fish and rice grains.
• + Vibrant colors and appealing food presentation.
• + Correct text and flag inclusion.

• − Perspective is more of a standard 3/4 view rather than a true 45-degree isometric angle.
• − Lacks the specific 'small raised diorama base' (it uses a standard plate/mat).

FLUX.2 [max]

• + Successfully incorporates all themes including TV anchor, hockey, and dogs.
• + Strong, clean illustration style that feels intentionally artist-driven.
• + Creative and humorous set design with dogs as co-anchors.

• − Loses the photographic likeness and shifts entirely to a vector art style.
• − The character's face is a generic cartoon representation rather than a caricature of the specific person.

Seedream 4.0

• + Excellent caricature of the person's face, maintaining recognizable features while exaggerating them.
• + Preserves the photographic nature and background of the original image while seamlessly adding new elements.
• + Cleverly blends the denim outfit from the original into a custom hockey-themed anchor ensemble.

• − The hand holding the phone is a bit small and anatomically awkward.
• − The dog is a bit static compared to the high energy of the caricature.

FLUX.2 [max]

• + Excellent anatomical accuracy for all four animals, particularly the fox and rabbit.
• + Highly realistic lighting and depth of field with subtle dew sparkles.
• + Superior fur texture and fine whisker details that look photorealistic.

• − The composition is a bit linear, with the animals mostly standing in a row.
• − The butterflies are somewhat small and less expressive than requested.

Seedream 4.0

• + Dynamic and playful composition that perfectly captures the 'tumbling' and 'chasing' aspect of the prompt.
• + Beautifully emphasized god rays and intense golden hour atmosphere.
• + Very expressive 'big eyes' on the animals as requested.

• − Anatomical issues including the kitten having five legs and a strange tail attachment.
• − The fox kit looks more like a red panda/fox hybrid with slightly oversaturated colors.
• − Significant floating artifacts and unrealistic water/light spots that look like glitches rather than dew.

FLUX.2 [max]

• + Excellent character likeness and facial expressions preserved from the source.
• + Perfectly captures the Studio Ghibli cel-shaded aesthetic with pencil-like line work.
• + Strong adherence to original composition and clothing details.

• − Texture is a bit heavy on the 'aged paper' grain rather than just paint.

Seedream 4.0

• + Beautiful hand-painted watercolor textures that feel very organic.
• + Successful use of soft pastel colors and a dreamy background.
• + Maintains the core composition of the meme perfectly.

• − Faces are simplified too much, losing the specific expressions/likeness of the original people.
• − Line work is a bit inconsistent in some areas compared to the background texture.

FLUX.2 [max]

• + Excellent prompt adherence with clear wind-blown hair and numerous flying leaves.
• + Maintains high resolution and sharp detail across the entire image.
• + Preserves the original facial features and clothing details perfectly.

Seedream 4.0

• + Effectively communicates motion through hair styling and flying leaves.
• + Adds a subtle motion blur to some leaves which enhances the sense of movement.

• − Noticeable drop in overall image sharpness and resolution compared to the source.
• − Slightly Alters the woman's facial features and eyes, making them look less natural.
• − Leaves appear somewhat flat and less integrated into the lighting of the scene.

FLUX.2 [max]

• + Perfectly captures the requested 'vector emblem' style with clean linework
• + Exceptional typography with accurate accents and elegant curvature
• + Subtle but effective paper texture that feels authentic to a vintage brand

• − The steam lines are very thin compared to the rest of the logo's weight

Seedream 4.0

• + Stronger contrast and bolder colors give it high visual impact
• + Accurate text rendering for both the name and the banner date
• + Good use of shadows to give the cloche depth

• − Lines are slightly more jagged/pixelated, appearing less like a clean vector
• − The steam effect looks a bit heavy and detached from the cloche handle

FLUX.2 [max]

• + Excellent typography and spelling throughout the poster.
• + Clean, professional grid layout that mimics a real infographic.
• + Consistent and high-quality vector iconography.

• − The sequence of steps is out of order (e.g., Translunar comes after Lunar Orbit).
• − The 'Translunar' icon incorrectly shows a Moon instead of a trajectory/arc.

Seedream 4.0

• + Follows the logical chronological order of the mission steps (1 through 6).
• + Effective use of the requested NASA-inspired color palette.
• + Good use of arrows to indicate movement and progression.

• − The descent and landing steps share a single, somewhat messy illustration.
• − Text rendering is inconsistent with some overlapping characters and typos ('Tranquiilty').
• − The icons are less 'crisp' and modern than the competitor's.