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 Generate 001
#55 of 62 in Text-to-Image
Where the votes landed
FLUX1.1 [pro] Ultra
100.0%
win rate
Ties
0.0%
Imagen 4.0 Generate 001
0.0%
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 transparency and refraction through the glass cube.
- + Superior rendering of texture on the book cover and gold-leaf lettering.
- + Photorealistic lighting and natural interaction between objects.
- − The blue sphere appears to be floating unnaturally without a base or suspension mechanism.
Imagen 4.0 Generate 001
- + Strong geometric precision and clean lines.
- + Well-saturated colors that offer a bold aesthetic.
- + Good implementation of reflections on the side surfaces.
- − The cube appears more like a solid mirror/block than a transparent glass cube.
- − The plant behind the cube is completely obscured rather than partially visible through the glass as requested.
- − The lighting is less soft and more high-contrast compared to the prompt's request.
Verdict: FLUX1.1 [pro] Ultra is the clear winner as it perfectly captures the transparent nature of the glass cube and allows the plant to be seen through it, adhering to all clauses of the prompt. Imagen 4.0 Generate 001 fails to render the cube with transparency, making it look like a solid metallic or mirrored object, which prevents the user from seeing the plant 'through' the glass.
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 vehicles.
- + Vivid reflections on the wet asphalt that realistically mirror the streetlights and surroundings.
- + Composition captures a wide cinematic street scene that feels authentic to a modern city environment.
- − The man's pose is a bit stiff and he doesn't appear to be actively 'repairing' the bike, rather just leaning on it.
- − The bicycle's rear wheel and crankset area have some structural inconsistencies and clipping.
Imagen 4.0 Generate 001
- + Stronger narrative connection to the 'repairing' prompt with the subject using a tool on the chain.
- + Excellent skin texture and believable facial features that align with the 'natural skin texture' request.
- + Close-up 50mm feel creates an intimate candid portrait with high detail on the raindrops on the jacket.
- − Misses the 'motion blur from passing cars' request as the vehicles in the background are static or barely blurred bokeh.
- − Composition is very tight and balanced, missing the 'imperfect framing' requested in the prompt.
Verdict: FLUX1.1 [pro] Ultra better captured the specific technical atmospheric requests like 'motion blur' and 'imperfect framing,' creating a wide cinematic shot that felt like a real street snap. However, Imagen 4.0 Generate 001 provided a much more convincing depiction of the 'repairing' action and superior skin texture, even though it failed to incorporate the motion blur of the cars. FLUX1.1 [pro] Ultra is the likely winner for adhering to more of the complex stylistic modifiers in the prompt.
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
- − The image failed to load or is a solid black block.
- − Completely fails all prompt adherence criteria.
Imagen 4.0 Generate 001
- + Excellent adherence to technical details like engraved armor and leather strap textures.
- + Strong interpretation of braids with beads and torchlight lighting.
- + High clarity and sharp focus on the facial features and scars.
- − The sparks look slightly uniform and a bit overlay-like.
- − The torch on the far left is partially cut off.
Verdict: FLUX1.1 [pro] Ultra failed to generate a visible image, resulting in a black frame. Imagen 4.0 Generate 001 successfully rendered the prompt with impressive detail, specifically excelling in the complex engraving of the armor and the lifelike quality of the skin and hair beads.
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
- + Natural presentation of a printed menu mockup
- + Includes a clear header and 'Mains/Appetizers' sections as requested
- + Vibrant and appealing food photography
- − Text is largely gibberish or contains typos like 'Pizzzans'
- − The layout feels slightly cluttered and disorganized for a minimalist prompt
Imagen 4.0 Generate 001
- + Excellent grid-based minimalist layout
- + Strong use of bold sans-serif fonts and clean vibrant accents
- + Precise categorization of sections for appetizers, pizza, and mains
- − Text consists of nonsense placeholder words
- − The food images are slightly more generic compared to the first image
Verdict: Imagen 4.0 Generate 001 provides a superior interpretation of the 'modern minimalist' and 'grid' aspects of the prompt, resulting in a clean and professionally structured graphic design. FLUX1.1 [pro] Ultra produces a realistic photo of a physical menu, but fails on the minimalist aesthetic and has significant spelling errors in the headers.
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 photographic texture on the burger patties and lettuce
- + Strong cinematic lighting with realistic coals and fire
- + Perfectly centered and clean typography
- − Failed to include the price in a starburst as requested
- − Rendered a triple burger instead of a standard single burger explosion
- − Included small, illegible watermarks/text at the bottom
Imagen 4.0 Generate 001
- + Successfully included the price within a fiery starburst
- + Captured a more dynamic 'exploded' sense of motion with tilted components
- + Accurate rendering of the secondary message and glowing text effects
- − The cheese has a slightly plastic, less photorealistic appearance
- − Text placement overlaps the bottom bun and lettuce, reducing legibility
- − Background is less detailed compared to the realistic foreground in the other model
Verdict: FLUX1.1 [pro] Ultra produces a more visually stunning and photorealistic image with superior lighting, but it misses key layout instructions like the starburst price tag. Imagen 4.0 Generate 001 provides a better interpretation of a dynamic 'explosion' and follows all text formatting prompts, including the starburst, making it the better ad layout despite slightly lower material realism.
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
- + Features a very realistic chalk texture with slight smudges and authentic variations.
- + Captures the cozy café atmosphere through lighting and background depth.
- + The handwriting looks genuinely human-made rather than a font.
- − Numerous spelling errors and gibberish repetitions (e.g., 'mushroomm ris.', 'friistratnisnios').
- − Failed to use 'elegant cursive' for the title as requested.
- − Inconsistent layout with overlapping and repeated text lines.
Imagen 4.0 Generate 001
- + Excellent spelling accuracy for the primary menu items and the title.
- + Clean and legible layout that follows the requested structure.
- + More successful at maintaining a consistent style across the board.
- − Includes instructional meta-text from the prompt (e.g., 'Tittle Menu', 'Footer') directly on the board.
- − The 'chalk' texture looks closer to a digital marker or vector font than actual textured chalk.
- − Misspelled 'Herbs' as 'Berbs'.
Verdict: FLUX1.1 [pro] Ultra produces a much more realistic and atmospheric image, but the text quality is poor with significant spelling errors and nonsensical repetitions. Imagen 4.0 provides much clearer and correctly spelled text for the main items, but it mistakenly includes parts of the prompt instructions as printed labels on the board and lacks the authentic chalk texture of its competitor. Imagen 4.0 is the likely winner for successfully rendering the specific complex names requested, despite the 'meta' text errors.
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 realistic textures on the horse's coat and mane.
- + Highly detailed planetary background with a massive scale.
- + Dynamically composed horse posture that suggests motion in space.
- − Failed the negative constraint: the astronaut is on top of the horse, not the horse on top of the astronaut.
Imagen 4.0 Generate 001
- + Creative use of color with the nebula reflections in the visor and horse's body.
- + Very sharp rendering of the space suit and saddle equipment.
- + Clean composition with a surreal, magical atmosphere.
- − Failed the negative constraint: the astronaut is riding the horse, ignoring the specific request for the horse to be on top.
Verdict: Both models failed the specific spatial instruction for the horse to be on top of the astronaut, instead providing the standard interpretation of an astronaut riding a horse. FLUX1.1 [pro] Ultra is preferred for its superior cinematic quality, realistic horse anatomy, and more impressive background depth compared to the slightly more stylized Imagen 4.0 Generate 001.
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 quality and lighting
- + Realistic fur texture on the capybara
- + High cinematic appeal with bokeh on city lights
- − Failed the spatial layout by placing the passenger in the front seat instead of the back seat
- − The capybara's paw/arm anatomy is slightly confused with the steering wheel
Imagen 4.0 Generate 001
- + Perfect adherence to the spatial constraints, including the passenger in the back seat
- + Captures the bored expression of the businesswoman well
- + Clearly shows both front paws on the steering wheel
- − The capybara's paws look more like bird talons or sharp claws than actual capybara feet
- − The facial features of the woman have a slightly plastic, AI-generated look compared to Model A
Verdict: While FLUX1.1 [pro] Ultra produces a more visually stunning and photorealistic image, it fails the core prompt instruction by placing the passenger in the front seat. Imagen 4.0 correctly follows all layout instructions including the backseat passenger and the specific pose of the capybara's paws on the wheel, making it the better choice for prompt adherence.
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 layout that maximizes the 'dark parchment' aesthetic.
- + Captures the vintage gothic atmosphere with a high level of detail in the thorns and trees.
- + All event details are accurate and clearly legible.
- − Included a redundant and misspelled line of text ('noickt') below the banner.
- − Missing the word 'Party' in the main title text.
Imagen 4.0 Generate 001
- + Perfectly followed the text prompt for the main title, including 'Party'.
- + Strong cinematic lighting with a moody blue night sky that contrasts well with the orange pumpkin.
- + Clean, modern typography for the event details at the bottom.
- − The parchment element is strangely placed as a vertical scroll on the left rather than being the background of the invitation.
- − The overall style feels slightly more like a digital illustration than a 'vintage' poster.
Verdict: Both models followed the prompt well, but Imagen 4.0 was more accurate with the text requirements, including the full title 'Halloween Party Invitation' which FLUX1.1 [pro] Ultra partially missed. While FLUX1.1 [pro] Ultra has a more authentic vintage texture, it suffered from hallucinated, misspelled text in the center, making Imagen 4.0 the cleaner and more reliable choice for an invitation.
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 adherence to all text requirements including 'JAPAN' and 'SUSHI' with the flag icon.
- + Perfectly captures the isometric 3D cartoon style and diorama base requested.
- + Clean, professional composition with a solid light blue background as specified.
- − Includes some odd decorative elements like a bug on the base and steam rising from cold sushi.
Imagen 4.0 Generate 001
- + Strong realistic PBR materials, particularly on the fish and roe textures.
- + Good miniature scale and lighting.
- − Completely failed to include the requested text ('JAPAN', 'SUSHI') and flag icon.
- − Ignored the 'solid light blue background' requirement.
- − Does not follow the 45-degree isometric cartoon style, looking more like a realistic macro photograph.
Verdict: FLUX1.1 [pro] Ultra followed every instruction in the prompt, including complex text placement, stylistic choices, and background color. Imagen 4.0 Generate 001 provided a high-quality realistic image but failed almost all specific layout and text constraints.
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 soft lighting and unified color palette.
- + Consistent 'cute' stylized aesthetic across all four animals.
- + Butterflies are well-integrated into the depth of field.
- − Lacks the requested 'tumbling' dynamic movement.
- − Animals look more like stuffed toys than hyper-photorealistic creatures.
- − The kitten lacks distinct tabby markings.
Imagen 4.0 Generate 001
- + Successfully captures the active 'tumbling' and 'chasing' movement requested.
- + Accurate anatomical features and distinct species markings, especially the kitten and fox.
- + Includes high-quality environmental details like dew drops on individual blades of grass.
- − The fox looks significantly older/larger than the other 'baby' animals.
- − The dog's paws have some anatomical merging with the kitten's body.
Verdict: FLUX1.1 [pro] Ultra produces a beautiful, cohesive, and highly stylized illustration, but it fails to capture the dynamic action requested in the prompt. Imagen 3 (Imagen 4.0 Generate 001) is the clear winner for its better adherence to the 'tumbling' and 'chasing' elements, as well as providing much more detailed and realistic textures for the fur and dew, despite some slight scale issues with the fox.
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 vintage detail and texture
- + Attractive emblem-style composition
- + Perfect technical rendering of shadows and highlights
- − Misspelled the primary brand name as 'Caffé Framilian'
- − Less minimalist than requested in the prompt
Imagen 4.0 Generate 001
- + Perfect text rendering for both the name and the date
- + Follows the 'minimalist' instruction more accurately
- + Clean vector style with high clarity
- − The 'Est. 1720' banner is quite small and lacks detail
- − The minimalist style feels a bit modern rather than 'vintage'
Verdict: Imagen 4.0 followed the text prompt more accurately by correctly spelling 'Caffè Florian' and adhering to the minimalist request. While FLUX1.1 [pro] Ultra created a more visually impressive and detailed vintage emblem, its failure to spell the primary brand name correctly makes it less useful as a logo.
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.
- + Includes almost all the requested steps in a logical flow.
- + High-quality vector aesthetic with clean iconography.
- − Text rendering is mostly gibberish despite the large amount of it.
- − The composition is a bit cluttered with redundant icons and confusing numbering.
Imagen 4.0 Generate 001
- + Perfect English text rendering for the main titles.
- + Clearer, more professional infographic layout with distinct trajectory lines.
- + Strong adherence to the flat-vector style requested.
- − Failed to include steps 5 and 6 (Descent and Landing).
- − The Saturn V rocket illustration is slightly cut off at the bottom.
Verdict: Both models captured the requested vector aesthetic and color palette well. FLUX1.1 [pro] Ultra followed the multi-step prompt more thoroughly but suffered from significant text hallucinations, whereas Imagen 4.0 rendered perfect text and a cleaner layout but missed the final half of the required content steps. FLUX1.1 is slightly better for including the technical details of the landing, though Imagen 4.0 is more visually polished for a real infographic.
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Google's latest Imagen 4.0 text-to-image generation model with significantly better text rendering and overall image quality