FLUX.2 [dev] Turbo vs Seedream 4.5
Head-to-head across 10 challenges
FLUX.2 [dev] Turbo
36.4%
win rate
Ties
27.3%
Seedream 4.5
36.4%
win rate
Challenge Results
Geometric Composition
Text-to-Image“A glass cube on a wooden table. Inside the cube is a small blue sphere. On top of the cube sits a red book. A green plant is behind the cube, partially visible through the glass. Soft window light from the left.”
AI Judge Analysis
FLUX.2 [dev] Turbo
- + Perfect adherence to all spatial instructions and objects.
- + Highly realistic glass textures, including dust and reflections.
- + Beautiful lighting and clear background depth.
Seedream 4.5
- + Crisp lighting effects on the table surface.
- + Clean, minimalist composition.
- − Physical logic failure as the blue sphere intersects through the solid glass wall.
- − The glass object has a triangular/hexagonal base rather than being a cube.
- − The background plant is very blurry and difficult to distinguish.
Verdict: FLUX.2 [dev] Turbo followed the prompt perfectly, creating a highly realistic scene with complex glass transparency and correct object placement. Seedream 4.5 failed on basic physics, showing the blue sphere clipping through the glass wall, and failed to render a cube shape correctly.
Candid Street Photography
Text-to-Image“A candid street photo of an elderly Japanese man repairing a red bicycle in light rain, reflections on wet pavement, shallow depth of field, 50mm lens, natural skin texture, imperfect framing, motion blur from passing cars, cinematic but realistic, no stylization.”
AI Judge Analysis
FLUX.2 [dev] Turbo
- + Excellent adherence to the 'imperfect framing' prompt with a higher, more candid camera angle.
- + Superior rendering of mechanical bike details, including the chain, gears, and kickstand.
- + Very realistic textures on the wet pavement and the man's aging hands and skin.
- − The rain effect is subtle, appearing more like a few streaks rather than a consistent light rain.
- − The front wheel of the bicycle appears to be sinking into the pavement.
Seedream 4.5
- + Effective use of motion blur from passing cars to create a sense of movement.
- + Strong bokeh and lighting from car headlights created a more 'cinematic' mood.
- + Good depiction of light rain falling through the scene.
- − Major anatomical/mechanical error where the bicycle chain is passing through the man's hand.
- − The bike's frame and proportions are distorted, with the front and rear halves not connecting logically.
- − The skin texture and clothing appear slightly more 'plastic' compared to Model A.
Verdict: FLUX.2 [dev] Turbo produced a far more coherent and realistic image, particularly in the complex mechanical details of the bicycle and the texture of the man's skin. Seedream 4.5 captured the requested cinematic motion blur and rain atmosphere better, but failed significantly on physical logic, showing a chain passing through the subject's hand and a disjointed bike frame.
Modern Clean Menu
Text-to-Image“Modern minimalist restaurant menu design, white background with colorful food photos in grid, sections for appetizers/pizza/mains, bold sans-serif fonts, vibrant accents, clean professional layout for casual dining.”
AI Judge Analysis
FLUX.2 [dev] Turbo
- + Excellent adherence to the 'grid' layout requested in the prompt.
- + Professional typography with clear headers, subtext, and price alignment.
- + Dynamic and modern use of color accents and geometric shapes.
- − The content of the 'Mains' and 'Appetizers' sections is mostly just more pizza images.
- − The pricing is highly unrealistic (e.g., $260 for a pizza).
Seedream 4.5
- + Displays a logical variety of food photos corresponding to the categories (Appetizers, Pizza, Steak/Mains).
- + Clean, minimalist layout with high-contrast colored borders.
- + Legible sans-serif headers and consistent pricing list.
- − The layout is a simple vertical list rather than the requested 'grid'.
- − Repetitive text in the Mains section (using 'Restaurant' as an item name).
Verdict: FLUX.2 [dev] Turbo followed the layout requirements much better, creating a sophisticated grid design that looks like a real professional menu, despite the absurd pricing and repetitive pizza photos. Seedream 4.5 provided better thematic consistency between the photos and their headers (Appetizers vs. Mains), but failed to implement a grid layout and produced a much simpler design.
Isometric Miniature Diorama Scenes
Text-to-Image“Create a clear, 45° top-down isometric miniature 3D cartoon scene of Japan's signature dish: sushi, with soft refined textures, realistic PBR materials, gentle lighting, on a small raised diorama base with minimal garnish and plate. Solid light blue background. At top-center: 'JAPAN' in large bold text, 'SUSHI' below it, small flag icon. Perfectly centered, ultra-clean, high-clarity, square format.”
AI Judge Analysis
FLUX.2 [dev] Turbo
- + Excellent text rendering with clean, professional-looking typography.
- + Highly realistic textures on the salmon and rice grains.
- + Perfectly balanced composition on a clean wooden diorama base.
- − The garnish flower on top of the sushi looks a bit more like butter than traditional garnish.
Seedream 4.5
- + Good variety of sushi types including rolls and nigiri.
- + Strong miniature/diorama feel with rounded base corners.
- + Accurate placement of the flag icon next to the text.
- − Significant blurring on the edges of the diorama base due to shallow depth of field.
- − Texture on the base looks slightly rough/noisy compared to the requested 'soft refined textures'.
- − Text layout is slightly less integrated than in Model A.
Verdict: FLUX.2 [dev] Turbo produced a much cleaner and more professional image with superior texture work and typography. While Seedream 4.5 captured the 'miniature' feel well, its excessive use of depth-of-field blur and coarser textures made it less visually appealing than the sharp, high-clarity output of FLUX.2.
Adorable Baby Animals in Sunny Meadow
Text-to-Image“Hyper-photorealistic scene of fluffy baby animals—a golden retriever puppy, tabby kitten, baby bunny, and red fox kit—with big expressive eyes and ultra-detailed soft fur, playfully chasing butterflies and tumbling together in a lush wildflower meadow, warm golden sunrise light with god rays and dew sparkles, joyful wholesome vibe, 8K masterpiece.”
AI judge analysis unavailable for this challenge.
Victorian Greenhouse Oasis
Text-to-Image“Hyper-photorealistic interior of a lush Victorian glass greenhouse filled with exotic tropical plants, vibrant blooming orchids, tall ferns, colorful butterflies in flight, sunlight filtering through ornate glass roof creating realistic caustics and dew on leaves, intricate iron framework visible, misty atmosphere, 8K masterpiece.”
AI Judge Analysis
FLUX.2 [dev] Turbo
- + Excellent depiction of intricate Victorian ironwork
- + Accurate rendering of dew drops on the leaves in the foreground
- + Naturalistic variety of orchids and lush ferns
- − The butterflies look flat and lack realistic lighting/integration
- − The overall atmosphere is slightly muted compared to the prompt's request for vibrance
Seedream 4.5
- + Stunning cinematic lighting with strong light shafts and caustics on the floor
- + Dynamic mist and atmospheric depth
- + Vibrant, creative use of stained glass in the Victorian framework
- − The butteries look somewhat stylized and lack biological detail
- − Some foreground details like the golden orchids feel slightly over-saturated or artificial
Verdict: FLUX.2 [dev] Turbo provides a more grounded and realistic interpretation of a greenhouse with superior architectural detail and accurately rendered dew. However, Seedream 4.5 creates a much more magical and visually striking atmosphere with its masterful handling of light rays, mist, and color, better capturing the 'masterpiece' quality requested. Seedream 4.5 is preferred for its superior composition and lighting despite the more traditional accuracy of FLUX.2.
Heroic Super Hero Portrait
Text-to-Image“Hyper-photorealistic full-body portrait of a female superhero standing triumphantly on a New York skyscraper rooftop at golden sunset, wearing a classic modest superhero costume with flowing cape, chest emblem, gloves, and boots in red and blue colors, practical design, short hair, strong determined heroic expression looking into the distance, powerful confident stance with hands on hips and cape billowing dramatically in the wind, detailed urban cityscape background, warm natural sunlight with sharp shadows and fabric highlights, ultra-sharp textures on suit, hair, and concrete, 8K masterpiece, empowering family-friendly style.”
AI Judge Analysis
FLUX.2 [dev] Turbo
- + Excellent full-body scale and composition.
- + Highly realistic texture on the cityscape and the concrete rooftop.
- + The lighting on the subject's face and costume is very natural for a sunset.
- − The 'S' emblem is slightly distorted and asymmetrical.
- − The boots appear a bit loose/baggy compared to the rest of the sleek suit.
Seedream 4.5
- + Crisp and clear rendering of the 'S' chest emblem.
- + Vibrant golden hour lighting with beautiful backlighting on the character's hair.
- + Stronger sense of 'triumph' through the upward camera angle.
- − The transition between the boots and the suit looks a bit overlayed/artificial.
- − The background buildings have a slightly filtered or 'AI' smoothness compared to the foreground.
Verdict: FLUX.2 [dev] Turbo provides a more grounded and photorealistic urban environment with superior integration of the character into the scene. However, Seedream 4.5 captures the cinematic 'superhero' aesthetic better with a cleaner emblem design and more dramatic lighting, winning out on technical suit details despite a slightly less realistic background.
Intricate Floral Mandala
Text-to-Image“Perfectly symmetrical mandala made entirely of real flowers, petals, leaves, fruits, and seeds in vibrant natural colors, intricate layered patterns with radial symmetry, top-down view on a soft neutral background, hyper-detailed organic textures and subtle shadows, photorealistic, 8K masterpiece.”
AI Judge Analysis
FLUX.2 [dev] Turbo
- + Excellent adherence to the 'perfectly symmetrical' requirement with precise radial alignment.
- + Very high detail in organic textures such as the seeds, fruit skins, and petal veins.
- + Strong layering effect that creates a complex, dense mandala structure.
- − The lighting is somewhat flat and even, reducing the sense of depth compared to the other model.
Seedream 4.5
- + Beautiful use of directional light and shadows which provides a tactile, 3D quality.
- + A more delicate and organic arrangement that feels artistic and hand-placed.
- + Soft, attractive color palette.
- − Fails the 'perfectly symmetrical' requirement, with many elements missing counterparts on the opposite side.
- − Lower overall density and complexity compared to the requested mandala style.
Verdict: FLUX.2 [dev] Turbo far exceeds Seedream 4.5 in prompt adherence, particularly regarding the 'perfectly symmetrical' and 'intricate layered patterns' instructions. While Seedream 4.5 has more interesting lighting and shadow work, it fails to maintain radial symmetry, which is the core defining feature of a mandala.
Vintage Cafe Logo
Text-to-Image“Vintage minimalist restaurant logo for "Caffè Florian", retro cloche dome with steam and "Est. 1720" banner, classic typography, warm brown and cream tones, subtle texture on light background, vector emblem style.”
AI Judge Analysis
FLUX.2 [dev] Turbo
- + Perfect adherence to all text requirements including the grave accent on 'Caffè'.
- + Excellent vintage texture on both the logo and the background paper.
- + Strong vector emblem composition with a well-integrated banner.
- − The steam lines are slightly disconnected from the cloche.
Seedream 4.5
- + Clean, simple vector style that fits a minimalist aesthetic.
- + Good use of color hierarchy with warm browns and creams.
- + Accurate text rendering and placement.
- − The 'E' in 'Caffè' is missing the requested grave accent.
- − The typography feels a bit default and less 'vintage' than requested.
- − Lacks the subtle background texture requested in the prompt.
Verdict: FLUX.2 [dev] Turbo followed the prompt much more closely, successfully including the specific accent mark in 'Caffè' and applying a convincing vintage texture to the background and emblem. Seedream 4.5 produced a clean logo but failed to provide the requested texture and missed the specific accent mark on the text.
Apollo 11: Journey to Tranquility
Text-to-Image“Create a clean, modern vector infographic poster about the Apollo 11 mission. NASA-inspired palette (navy, white, muted red, light gray). Flat-vector style, crisp lines, consistent iconography, subtle gradients only. Steps (stop at landing): 1. Launch (Saturn Vicon) 2. Earth Orbit (Earth + orbit ring icon) 3. Translunar (trajectory arc icon) 4. Lunar Orbit (Moon + orbit ring icon) 5. Descent (lunar module descending icon) 6. Landing (lunar module on the surface icon) Small supporting elements (minimal text): • Crew strip: three silhouette icons with only last names: Armstrong, Aldrin, Collins. • Landing site marker: Moon pin labeled "Tranquility" only. Layout constraints: generous margins, large readable labels, clean background with subtle stars. Vector-only, print-poster look, high resolution.”
AI Judge Analysis
FLUX.2 [dev] Turbo
- + Excellent text rendering of astronaut names and phase titles
- + High level of detail in the Illustrations of the Saturn V and Lunar Module
- + Successfully includes the requested NASA 'worm' and 'meatball' logos
- − Confusing layout with redundant icons (two Earths, two Moons) and disorganized flow
- − Literal interpretation of the prompt text 'Saturn Vicon' as one word
- − Background is a bit noisy for a 'clean' flat-vector infographic style
Seedream 4.5
- + Very clean, professional infographic layout with a logical linear timeline
- + Follows the flat-vector style aesthetic perfectly with crisp lines and consistent iconography
- + Accurate numbering of the six requested steps
- − The 'Descent' icon is a generic satellite rather than the lunar module
- − Missed the red accent in the NASA-inspired palette for the text/icons
- − Minor text spacing issues in the astronaut names
Verdict: Seedream 4.5 is the winner because it successfully interprets the request for an 'infographic' with a clear, linear flow and clean flat-vector aesthetics. While FLUX.2 [dev] Turbo has impressive detail in its individual illustrations, the overall layout is cluttered and confusing, making it less effective as a functional piece of information design.
FLUX.2 [dev] Turbo
Distilled version of Black Forest Labs' FLUX.2 [dev] outperforming it at a cheaper price. Developed by fal.ai.
Seedream 4.5
ByteDance's latest image generation model unifying text-to-image and image editing in a single architecture, with improved text rendering and 30-40% faster generation than v4.0