FLUX.2 [dev] Flash fal vs Seedream 4.0 ByteDance

FLUX.2 [dev] Flash

• + Perfect prompt adherence for all spatial relationships.
• + Excellent handling of glass textures and internal reflections.
• + High level of photographic realism with natural lighting and depth of field.

• − The glass cube is slightly dusty/noisy, though this adds to realism.

Seedream 4.0

• + Strong adherence to the core prompt elements.
• + Vibrant colors on the red book and blue sphere.
• + Good capture of soft window light.

• − Perspective issues on the top glass pane where it meets the book.
• − The base of the cube looks like a mirror rather than a simple glass pane on a table.
• − Lower resolution feel compared to the other model.

FLUX.2 [dev] Flash

• + Excellent preservation of the man's facial features and clothing.
• + Realistic interior detail and lighting integration.
• + High cinematic quality with natural depth of field.

• − The car interior changed from the source's white/light theme to a wood-grain vintage style.
• − The car's exterior perspective was changed significantly.

Seedream 4.0

• + Successfully preserved the specific Rolls Royce exterior model from the source image.
• + Accurately placed the subject in a California coastline setting with motion blur.

• − Loss of facial likeness, making the man look different from the source.
• − Rough blending around the subject's hair and the car's windshield frame.

FLUX.2 [dev] Flash

• + Excellent realism with highly detailed skin textures and lifelike hands.
• + Superior lighting and reflections on the wet pavement that match the rainy atmosphere.
• + Accurate motion blur on the background cars while keeping the subject sharp.

• − The bicycle mechanics are slightly nonsensical, with some frame bars and cables merging awkwardly.
• − The 50mm lens effect feels slightly flatter than requested relative to the background.

Seedream 4.0

• + Good adherence to the 'shallow depth of field' and 'motion blur' requests.
• + The composition feels very much like a 'candid street photo' with imperfect framing.

• − The face suffers from significant deformation and lack of clear detail.
• − The bicycle spokes and frame have severe rendering artifacts and structural breaks.
• − General image quality is lower with a slightly digital/blurry film grain texture.

FLUX.2 [dev] Flash

• + Exceptional sharpness and detail in the engraved plate armor and leather textures.
• + Very clean application of the beads in the braids.
• + Excellent symmetry and balanced composition with realistic flickering torchlight bokeh.

• − The scars look a bit like fresh red paint or stage blood rather than healed battle marks.

Seedream 4.0

• + Stronger sense of 'warm torchlight' with a more dramatic high-contrast lighting scheme.
• + Scars and dirt are blended more naturally into the skin texture.
• + Dynamic composition with a slightly angled head pose.

• − Overall lower image resolution and softer details on the armor engraving.
• − The hair braids are significantly less detailed and have fewer beads than requested.
• − Some awkward lighting artifacts on the right side of the face.

FLUX.2 [dev] Flash

• + Excellent structure that follows a real menu layout including pricing and headers.
• + Accurate adherence to the grid-style photo request with vibrant color-coded accents.
• + Uses bold sans-serif fonts appropriately for a professional casual dining look.

• − Text rendering contains severe misspellings and gibberish typical of some AI models.
• − The section logic is slightly flawed, as the 'Pizza' header is placed next to text rather than above photos.

Seedream 4.0

• + Very clean and legible text for the main section headers.
• + High-quality, appetizing food photography with good clarity.
• + Captures the 'minimalist' aesthetic well with large negative space.

• − Fails to include actual menu items, descriptions, or prices.
• − Layout is less like an actual menu and more like a collage or mood board.
• − The grid is uneven and lacks the professional structure implied by the prompt.

FLUX.2 [dev] Flash

• + Excellent typography rendering with consistent fiery glow effects.
• + Highly detailed and photorealistic food textures, especially the patty and bun.
• + Perfect adherence to the specified price point and starburst prompt.

• − The 'exploded' effect is slightly static compared to the swirl motions in the competitor.
• − The lighting on the bottom bun feels a bit disconnected from the dark ground.

Seedream 4.0

• + Dynamic sense of motion with swirling trails around the food components.
• + Strong 'magic' atmosphere with more aggressive fire and ember effects.
• + Composition creates a more three-dimensional feel.

• − Failed to render the correct price, showing €5.99 instead of €6.99.
• − The burger is split into two mini-burgers rather than one exploded burger.
• − Lower texture realism on the vegetable components compared to Model A.

FLUX.2 [dev] Flash

• + Excellent text rendering with perfect spelling across all items.
• + Clean and legible composition that feels very realistic for a cafe setting.
• + High fidelity chalk texture on the individual letters.

• − The 'Today's Specials' heading is in a print-style block font rather than the requested elegant cursive.
• − The background of the board looks a bit too clean and digitally filled in some areas.

Seedream 4.0

• + Successfully used elegant cursive for the 'Today's Specials' title as requested.
• + Very realistic chalkboard texture with dust, smudges, and authentic chalk residue.
• + Excellent adherence to the 'handwritten' feel with varying line weights.

• − Slightly less crisp text legibility compared to Model A.
• − The chalk dust at the bottom looks a bit clumped and digitally generated upon close inspection.

FLUX.2 [dev] Flash

• + Excellent character replication including the sunglasses, scarf, and facial features from Image 2.
• + Maintains high resolution and realistic textures relative to the source.
• + Successfully replicates the lighting and background of Image 1.

• − Failed to match the body position, creating a standard crouching pose instead of the dynamic bent pose from Image 1.
• − Major anatomical error with an extra head/hair bundle appearing behind the main character.

Seedream 4.0

• + Closer attempt at the specific leaning/dynamic body angle of Image 1.
• + Incorporates the scarf and clothing style requested from Image 2.

• − Completely failed to replicate the character's face, sunglasses, and short hair from Image 2.
• − Anatomical issues with the feet and a distorted face that lacks clarity.
• − Failed to capture the specific 'character reference' entirely.

FLUX.2 [dev] Flash

• + Excellent high-detail rendering of the spacesuit and horse texture.
• + Great cinematic composition with multiple celestial bodies and a planetary horizon.
• + Consistent lighting and clear, sharp resolution.

• − Failed to follow the specific spatial instruction 'horse on top, not vice versa'.

Seedream 4.0

• + Dynamic, energetic posing of the horse.
• + Vibrant colors in the nebula and helmet reflection.
• + Good adherence to the 'surreal' aspect of the prompt.

• − Failed to follow the specific spatial instruction 'horse on top, not vice versa'.
• − Minor artifacts where the astronaut's hand meets the reins.
• − Less depth in the background compared to Image A.

FLUX.2 [dev] Flash

• + Successfully captured the peacoat and plaid scarf elements.
• + Added elaborate jewelry details as requested in the prompt.

• − Extreme facial distortion and anatomical errors on the subject's face.
• − Ghosting effect with a second head appearing behind the main subject.
• − Failed to preserve the original person's face accurately.

Seedream 4.0

• + Successfully transferred the pea coat, scarf, jeans, and sunglasses from Image 2.
• + Maintained the overall composition and background of Image 1.
• + Reasonably preserved the vitiligo pattern from the original subject.

• − The face is a blend of both models rather than the 'exact face' from Image 1.
• − Noticeable artifacts around the ankles and shoes.
• − The lighting on the subject is slightly inconsistent with the beach background.

FLUX.2 [dev] Flash

• + Excellent photorealism with sharp textures on the capybara's fur and the businesswoman's coat.
• + Higher quality lighting and bokeh in the background, creating a convincing Manhattan night atmosphere.
• + Dynamic and centered composition that perfectly captures the interaction between the driver and passenger.

• − The capybara's paws look slightly more like claws, which is anatomically accurate but visually jarring.
• − The taxi 'TX' sign on the roof is slightly oddly placed relative to the windshield.

Seedream 4.0

• + Perfectly captures the 'bored' expression requested for the passenger.
• + Good side-profile perspective of the capybara driving.
• + Adheres well to all primary prompt elements like the yellow cap and jacket.

• − Noticeable anatomical issues with the capybara's right paw, which appears mangled or poorly fused with the steering wheel.
• − Overall image clarity is softer and less detailed than its competitor.
• − Text rendering on the taxi door and cap is nonsensical.

FLUX.2 [dev] Flash

• + Excellent text legibility and spelling throughout.
• + Cohesive and symmetrical composition that feels like a professional poster.
• + Includes all requested elements like thorns, webs, and scroll banners accurately.

• − Includes a line of gibberish text 'Hurk: 0369' above the event time.
• − The background trees are somewhat repetitive in shape.

Seedream 4.0

• + Atmospheric cinematic lighting on the jack-o-lantern.
• + The torn parchment aesthetic adds a tactile, vintage feel to the borders.
• + Dynamic placement of bats and twisted trees.

• − Text on the banner is distorted and difficult to read.
• − Composition feels slightly cluttered with the large folded parchment in the bottom right corner.
• − Typography at the bottom is less polished than Model A.

FLUX.2 [dev] Flash

• + Excellent preservation of the original face, clothing, and background.
• + Highly realistic hair texture with individual strands visible against the sky.
• + Natural hairline integration that respects the original forehead structure.

• − The 'afro' style chosen is a significant departure from the original hair texture suggested by his beard.

Seedream 4.0

• + Successful addition of a full head of hair that matches the requested density.
• + Good preservation of the source image's identity and lighting.

• − The hairline looks slightly artificial and 'stamped on' near the forehead.
• − The hair texture appears a bit fuzzy or soft compared to the sharpness of the beard.

FLUX.2 [dev] Flash

• + Perfect text rendering of 'JAPAN' and 'SUSHI'
• + Excellent isometric perspective and clean diorama base
• + High-quality soft textures and realistic lighting

• − The sushi roll construction is slightly illogical with fish draped over a sliced roll
• − Minimal variety in the sushi types presented

Seedream 4.0

• + Good variety of sushi types including nigiri, maki, and gunkan
• + Accurate text and flag icon placement
• + Appealing miniature aesthetic with a more traditional wooden sushi board

• − Slightly lower clarity in the background and shadows compared to Model A
• − Text is a bit tighter and less balanced in the top margin

FLUX.2 [dev] Flash

• + Excellent fur texture and detail across all animals.
• + Includes all requested animals clearly with a high degree of photorealism.
• + Strong composition with a balanced arrangement of animals and butterflies.

• − Generated an extra bunny, which wasn't specifically requested but fits the theme.

Seedream 4.0

• + Captures the 'tumbling' and 'playful' motion dynamic very well.
• + Effective use of backlighting and sparkling dew drops.
• + Good adherence to the specific animal types requested.

• − Anatomical issues with the fox's legs and paws.
• − The kitten's tail and hind area are poorly defined against the background.
• − Slightly less 'hyper-photorealistic' than Model A, appearing more like a digital painting.

FLUX.2 [dev] Flash

• + Excellent preservation of the original pose, clothing, and facial expressions.
• + Incorporates charming Ghibli-esque details like the Totoro-like figure in the background.
• + Matches the specific warm, nostalgic lighting and color palette requested.

• − The line work is a bit busier than typical Ghibli character designs.
• − The eyes are slightly more 'generic anime' than the distinctive Ghibli style.

Seedream 4.0

• + Authentic watercolor texture that feels like traditional hand-painted background art.
• + Simplifies facial features in a way that is highly characteristic of Ghibli character design.

• − Loses the specific pained expression of the girl on the right, making her look bored instead.
• − The background is very abstract and loses the structural context of the original scene.

FLUX.2 [dev] Flash

• + Stronger adherence to the wind-blown hair request with more volume and spread
• + Maintains high resolution and sharpness from the original source
• + Adds a high quantity of leaves that match the environment's palette

• − The hair flow is a bit symmetrical and looks slightly unnatural
• − Numerous small leaf particles appear scattered and messy in some areas

Seedream 4.0

• + Realistic interpretation of hair movement that looks natural and windswept
• + Effective use of motion blur on the falling leaves to convey speed
• + Excellent preservation of the subject's face and the dog while adding atmosphere

• − Slightly lower overall clarity compared to Model A
• − Adds a lens flare/lighting effect in the top right that was not requested

FLUX.2 [dev] Flash

• + Excellent typography with a balanced banner design
• + Professional vector emblem style with cohesive texture
• + Accurate rendering of the accent mark in 'Caffè'

• − The 'Est. 1720' text is placed below the banner rather than inside it

Seedream 4.0

• + Successfully placed 'Est. 1720' on the banner as requested
• + Clean use of warm brown tones and paper texture

• − The main brand name is floating awkwardly above the icon rather than being integrated
• − The cloche is slightly lopsided and lacks the refinement of a vector logo

FLUX.2 [dev] Flash

• + Captures the flat-vector aesthetic with sophisticated textures and a modern NASA-inspired layout.
• + Excellent adherence to the color palette requests and detailed illustration of the Lunar Module.
• + Very high resolution for the icons and text, making it look like a professional poster design.

• − Layout is somewhat cluttered with redundant labels for 'Descent' and 'Landing'.
• − Includes gibberish text in the 'Saturn V Icon' label and supporting text blocks.

Seedream 4.0

• + Logical, linear timeline layout that is very easy to follow as an infographic.
• + Clean, bold typography that is mostly legible and correctly indexed 1-6.
• + Strict adherence to the 6-step structure requested in the prompt.

• − The art style is a bit too simplistic and cartoonish compared to the requested 'modern' vector look.
• − Text clipping occurs on 'Translunar' (cut off as 'Transl lunar') and 'Tranquility'.
• − Low-quality rendering on some icons, such as the Moon and the landing craft.