Black Forest Labs' ultra-high resolution image generation model, an enhanced version of FLUX1.1 [pro] optimized for premium quality output
Settled by community votes across 13 shared challenges, with an AI judge weighing in on each.
FLUX1.1 [pro] Ultra
#51 of 62 in Text-to-Image
Imagen 4.0 Fast Generate 001
#54 of 62 in Text-to-Image
Where the votes landed
FLUX1.1 [pro] Ultra
0%
win rate
Ties
0%
Imagen 4.0 Fast Generate 001
0%
win rate
Challenge by challenge
The strongest take from each model on every shared challenge, with the AI judge's read.
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
FLUX1.1 [pro] Ultra
- + Excellent adherence to all prompt elements including spatial relationships.
- + High level of photographic realism and texture on the book and table.
- + The lighting and reflections are physically convincing.
- − The blue sphere is levitating rather than sitting on a surface inside the cube.
- − The green plant occupies most of the background, making it more than 'partially visible'.
Imagen 4.0 Fast Generate 001
- + Beautiful warm lighting and depth of field.
- + Great attention to the base of the cube, showing reflections of the sphere.
- − The bottom of the cube appears to be a solid mirror rather than clear glass.
- − A ghostly second blue sphere appears outside the cube to the right for no apparent reason.
- − The book is slightly too small for the surface of the cube it's sitting on.
Verdict: FLUX1.1 [pro] Ultra followed the prompt more accurately, particularly in the placement of the plant behind the glass cube and the clear construction of the cube itself. Imagen 4.0 Fast Generate 001 created a more artistic, warm image, but suffered from logical errors such as a mirrored base and a floating artifact (phantom sphere) outside the cube.
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
FLUX1.1 [pro] Ultra
- + Excellent execution of long-exposure motion blur on passing cars.
- + Clear reflection of the red bicycle and man on the wet street surface.
- + Highly realistic skin textures and clothing details.
- − The man is mostly holding the bicycle rather than 'repairing' it.
- − The framing is quite centered and standard despite the request for imperfect framing.
Imagen 4.0 Fast Generate 001
- + Effective 'imperfect framing' by using a foreground element as a border.
- + Dynamic, candid posture that suggests actual repair work is being done.
- + Accurate shallow depth of field with a more intimate perspective.
- − Fails to include the requested motion blur from passing cars.
- − Anatomical issues with the man's hands, which appear distorted.
- − Cropping cuts off the subject's head, which feels more accidental than stylized.
Verdict: FLUX1.1 [pro] Ultra followed the complex technical instructions much better, specifically capturing the motion blur of traffic and the light rain atmosphere. While Imagen 4.0 Fast Generate 001 attempted a creative framing, it missed the motion blur requirement and suffered from significant anatomical errors in the hands.
Fantasy Warrior
Text-to-Image“Close portrait of a battle-worn paladin in ornate engraved plate armor, hair braided with small beads, faint scars and dirt on the skin, warm torchlight reflecting off metal, shallow depth of field, bokeh sparks, lifelike eyes, highly detailed texture on leather straps and cloth underlayer.”
AI Judge Analysis
FLUX1.1 [pro] Ultra
- − Failed to render any image content.
- − Output is a solid black block.
Imagen 4.0 Fast Generate 001
- + Good photographic clarity and realistic foliage.
- + Nice texture on the leather jacket.
- − Completely failed to follow the prompt instructions.
- − Rendered a modern man in a garden instead of a paladin in ornate armor.
- − Missing all specific details like braided hair, torchlight, and bokeh sparks.
Verdict: FLUX1.1 [pro] Ultra failed to generate a visible image, resulting in a black square. While Imagen 3 produced a high-quality photograph, it completely ignored the specific fantasy prompt, rendering a modern man in a garden instead of a battle-worn paladin.
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
FLUX1.1 [pro] Ultra
- + Excellent professional presentation as a physical tri-fold or booklet mockup.
- + Superior food photography quality with realistic textures and lighting.
- + Clean and stylish use of typography and logos.
- − The grid is slightly disorganized with overlapping elements and non-standard spacing.
- − Significant typos in headings such as 'Pizzzans' and 'Appet Love'.
Imagen 4.0 Fast Generate 001
- + Perfect adherence to the grid layout request.
- + Better functional structure with clear, distinct sections for Appetizers, Pizza, and Mains.
- + Effective use of vibrant color accents for section dividers.
- − Food photos are repetitive and lower quality than Model A.
- − Spelling errors in main headers like 'APETIERS'.
- − The layout feels a bit formulaic and less like a custom design.
Verdict: FLUX1.1 [pro] Ultra produces a more visually stunning and realistic menu mockup with high-end photography, but struggles with the requested grid logic. Imagen 4.0 Fast Generate 001 provides a much better functional layout that follows the prompt's logical constraints, though its image quality is more uniform and less appetizing.
Magic Burger Explosion: Fiery Photorealism Challenge
Text-to-Image“Ad for 'Magic Burger'. Dynamic, exploded burger with all components (bun, patty, cheese, lettuce, tomato, sauce) suspended in mid-air. Emphasize photorealistic detail and a sense of motion. Dark, fiery background with glowing embers. Integrate text: 'MAGIC BURGER' as a prominent title, 'LIMITED TIME ONLY' as a secondary message, and '€6.99' in a starburst, all rendered with a fiery, glowing effect.”
AI Judge Analysis
FLUX1.1 [pro] Ultra
- + Excellent photorealistic texture on the meat and charcoal.
- + Dynamic composition with many flying particles and a dramatic bottom-up fire effect.
- + Perfectly rendered, glowing main text.
- − Failed to include the starburst for the price tag.
- − The burger stack is very tall and slightly repetitive rather than 'exploded' with individual components.
Imagen 4.0 Fast Generate 001
- + Included all requested text elements including the starburst for the price.
- + More accurate 'exploded' view showing individual slices clearly suspended.
- + Sophisticated glowing fiery effect on all text elements.
- − The lighting on the lettuce and cheese looks slightly plasticky compared to the realism of Model A.
- − Background is less intense, with fewer embers than requested.
Verdict: Model B (Imagen 4.0 Fast Generate 001) is the winner as it followed all specific prompt instructions, including the starburst for the price and a clearer 'exploded' view of the ingredients. While Model A (FLUX 1.1 [pro] Ultra) offered superior photorealism and a more dramatic atmosphere, it ignored the starburst requirement and the burger felt more like a tall stack than a mid-air explosion.
Chalkboard Menu
Text-to-Image“Handwritten-style chalkboard menu in a cozy café, all text rendered in the exact same realistic chalk handwriting style with natural variations in letter size, slight slant, and chalk texture — no printed or digital fonts anywhere on the board. Title at the top in elegant cursive chalk handwriting: ‘TODAY’S SPECIALS – APRIL 30, 2026’. Below it, three menu items also in the same handwritten chalk style: ‘Truffle Mushroom Risotto – $24’, ‘Grilled Octopus with Lemon & Herbs – $28’, ‘Brown Butter Chocolate Chip Cookies – $9’. At the very bottom, smaller text in the identical handwritten chalk style (slightly smaller but still clearly legible with the same handwriting characteristics): ‘All items made fresh daily • Ask about our gluten-free options’. Warm ambient café lighting, visible chalk dust and smudges, realistic handwriting imperfections, no clean printed text anywhere.”
AI Judge Analysis
FLUX1.1 [pro] Ultra
- + Very realistic chalk texture with dusty smudges on the board.
- + Authentic handwritten variation in letter sizes and slant.
- + Cozy café background with realistic lighting.
- − Significant spelling errors and repetitive lines of text.
- − Failed to produce 'elegant cursive' for the title.
- − The text becomes incoherent and messy in the middle section.
Imagen 4.0 Fast Generate 001
- + Excellent text legibility and mostly correct spelling.
- + Neat and balanced layout on the chalkboard.
- + Accurately rendered almost all requested menu items.
- − Text looks more like a digital font than natural chalk handwriting.
- − The handwriting lacks the 'natural variations' and 'slant' requested in the prompt.
- − Title is not in cursive as specified.
Verdict: While FLUX1.1 [pro] Ultra creates a far more convincing chalkboard aesthetic with dust and natural hand-drawn imperfections, it fails miserably at linguistic coherence, resulting in many spelling errors and repeated phrases. Imagen 4.0 Fast Generate 001 is much more reliable for the actual content of the menu, though the handwriting appears too uniform and digital, missing the authentic chalk texture found in the first image.
The Reversed Rodeo
Text-to-Image“Horse riding astronaut in space — horse on top, not vice versa. Surreal, highly detailed, cinematic.”
AI Judge Analysis
FLUX1.1 [pro] Ultra
- + Excellent cinematic lighting and background composition showing the curvature of Earth.
- + High level of detail on the astronaut's gear and horse's mane.
- + Captures the scale of space better than the competitor.
- − Failed the specific spatial instruction for the horse to be on top of the astronaut.
Imagen 4.0 Fast Generate 001
- + Clear facial details visible inside the astronaut's helmet.
- + Good textural detail on the dapple-grey horse coat.
- + Relatively clean anatomy for the horse's legs.
- − Failed the specific spatial instruction for the horse to be on top of the astronaut.
- − Background composition is more generic compared to the first image.
Verdict: Both FLUX1.1 [pro] Ultra and Imagen 4.0 failed the negative constraint/spatial instruction to place the horse on top of the astronaut, with both models defaulting to the standard 'astronaut on horse' trope. FLUX1.1 [pro] Ultra is the better overall image due to its superior cinematic composition, broader scale, and more realistic environmental lighting.
The Capybara Taxi Driver
Text-to-Image“Photorealistic scene inside a yellow New York taxi at night. A capybara is driving, wearing a yellow taxi driver cap and a dark jacket. It has a calm, professional expression and both front paws on the steering wheel. In the back seat sits a human businesswoman in a coat, looking at her phone with a completely normal, bored expression (as if this is just another normal ride). Through the windows you can see the streets of Manhattan at night with blurred lights. Realistic taxi interior, photorealistic, detailed fur and fabric, 35mm lens, night lighting with reflections, shallow depth of field.”
AI Judge Analysis
FLUX1.1 [pro] Ultra
- + Excellent photographic lighting on the capybara's fur
- + Accurate depiction of a modern smartphone and hands
- + Cinematic depth of field with realistic bokeh
- − Compositional failure: the capybara is in the passenger seat and the human is in the driver's seat
- − The human is holding a steering wheel while looking at her phone
Imagen 4.0 Fast Generate 001
- + Perfect adherence to the prompt's layout with the capybara driving and human in the back
- + Highly detailed taxi driver hat and uniform
- + Capybara's front paws are correctly placed on the steering wheel
- − The passenger's right arm and hand holding the phone have anatomical awkwardness
- − The interior car geometry is slightly warped near the door handle
Verdict: While FLUX1.1 [pro] Ultra has slightly more realistic lighting and fur textures, it fundamentally failed the spatial logic of the prompt by putting the human in the driver's seat. Imagen 4.0 correctly interpreted the scene layout, placing the capybara at the wheel and the bored passenger in the back, making it the more successful image for this complex prompt.
The Halloween Invitation
Text-to-Image“Vintage gothic Halloween party invitation. Dark parchment poster, spooky border with webs and thorns, central glowing jack-o-lantern, bats, twisted trees, moody night sky. Add elegant gothic title text saying "Halloween Party Invitation", a small scroll banner saying "You are invited to a night of frights", and event details at the bottom: Date: 30.10.2026 Time: 7pm Location: The Arches, NYC Spooky but polished, cinematic lighting, square format.”
AI Judge Analysis
FLUX1.1 [pro] Ultra
- + Excellent typography style that matches the gothic theme perfectly
- + High level of detail in the thorny border and background atmosphere
- + Clear, legible event details at the bottom
- − Redundant text generation below the banner with spelling errors
- − Shortened title to 'Halloween Invitation' instead of the requested 'Halloween Party Invitation'
Imagen 4.0 Fast Generate 001
- + Beautiful composition with central focus on the Jack-O-Lantern
- + Accurately includes spiders webs as requested in the border
- + Captures the 'moody night sky' prompt effectively with a nice color palette
- − Spelling error in the main title ('IINVITATION')
- − The scroll banner text is cramped and contains typos ('NIGHT OF FNIGHTS')
- − Missing the 'thorns' element mentioned in the prompt
Verdict: FLUX1.1 [pro] Ultra produces a more professional and visually complex image with superior texture and lighting, though it fails with some text redundancy. Imagen 4.0 Fast Generate 001 has a nice atmospheric composition but suffers from significant spelling errors in the prominent title and banner. FLUX1.1 is the preferred choice for its higher polish and better execution of the gothic aesthetic.
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
FLUX1.1 [pro] Ultra
- + Excellent soft lighting and high-quality PBR material rendering.
- + Includes all requested text elements and the flag icon accurately.
- + Highly detailed and appealing 3D cartoon art style.
- − The text is wavy and stylized rather than standard bold flat text.
- − Includes some extraneous elements like the vase and bug that weren't explicitly requested.
Imagen 4.0 Fast Generate 001
- + Perfect adherence to the flat, bold text layout and flag icon.
- + Stronger adherence to the 'minimal garnish' instruction.
- + Very accurate 45° isometric perspective and diorama base.
- − The sushi models are slightly less detailed/refined compared to Model A.
- − The 'Japan' text has a small clipping issue with the white border at the top.
Verdict: FLUX1.1 [pro] Ultra produces a more visually stunning 3D scene with superior lighting and textures, though it takes creative liberties with the text style. Imagen 4.0 follows the typography and 'minimalist' instructions more precisely, offering a cleaner graphic design look, but its 3D assets are slightly simpler. FLUX1.1 [pro] Ultra is the likely winner for its overall professional-grade visual quality.
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
FLUX1.1 [pro] Ultra
- + Excellent adherence to the 'hyper-photorealistic' and 'wholesome' aesthetic with vibrant colors.
- + Captures all four requested animals with expressive, stylized features.
- + Includes numerous glowing butterflies as requested.
- − The animals lean more towards '3D render' or 'illustration' than true photographic realism.
- − The anatomy of the animals is overly similar/stylized, making them look like a matching set of toys.
Imagen 4.0 Fast Generate 001
- + Exceptional photographic realism with natural lighting and realistic fur textures.
- + Stronger adherence to specific breeds like the fox and bunny having distinct, realistic appearances.
- + Captures the 'god rays' and sunrise light very naturally.
- − Completely missed the 'butterflies' part of the prompt.
- − The kitten is a solid black/dark brown color rather than the requested 'tabby kitten'.
Verdict: FLUX1.1 [pro] Ultra produced a more magical, fantasy-like image that included every requested element, including the butterflies, though it feels more like a digital painting. Imagen 4.0 achieved much higher levels of actual photorealism and texture detail, but failed to include the butterflies and ignored the specific color instruction for the kitten. FLUX1.1 is the likely winner for better overall prompt adherence and capturing the 'joyful' vibe requested.
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
FLUX1.1 [pro] Ultra
- + Excellent vector emblem style with sophisticated line work
- + Strong use of the requested warm brown and cream color palette
- + High-quality cloche illustration with nice detailing
- − Spelling error in the main brand name: 'Caffé Framlian' instead of 'Caffè Florian'
- − The layout is a bit busy for a 'minimalist' request
Imagen 4.0 Fast Generate 001
- + Perfect text rendering for both 'Caffè Florian' and 'Est. 1720'
- + Captures the minimalist aesthetic much better than the competitor
- + Clean, professional layout suitable for a logo
- − Small nonsensical text artifacts ('AFFD', 'CARO') above the name
- − The steam effect is slightly faint and detached
Verdict: While FLUX1.1 [pro] Ultra produces a more detailed and aesthetically pleasing illustration, it fails on the primary text requirement by misspelling the brand name. Imagen 4.0 Fast Generate 001 adheres perfectly to the text instructions and better executes the 'minimalist' part of the prompt, making it much more usable despite small gibberish artifacts.
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
FLUX1.1 [pro] Ultra
- + Excellent adherence to the NASA-inspired color palette.
- + Rich, high-quality vector illustrations with a cohesive aesthetic.
- + Complex layout that creates a sense of scale and narrative.
- − Text consists largely of garbled AI gibberish.
- − The timeline logic is confusing, with points scattered and duplicated across the moon and sky.
Imagen 4.0 Fast Generate 001
- + Text is highly legible and correctly identifies mission phases.
- + Clean, minimalist infographic style with clear icons for the Lunar Module.
- + Effective use of the requested color palette.
- − Failed to include exactly 6 sequential steps as requested, merging and repeating some.
- − Spelled 'Apollo' incorrectly as 'Apolo' in the main header.
- − The composition feels a bit cramped and less like a 'poster' than Model A.
Verdict: FLUX1.1 [pro] Ultra produces a much more visually stunning and professional-looking poster, though its text content is nonsensical. Imagen 4.0 Fast Generate 001 is much more functional as an infographic with readable text, but it fails on basic spelling for the title and has a less sophisticated visual layout. FLUX1.1 [pro] Ultra is the likely winner for its superior artistic execution of the requested vector style.
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