Black Forest Labs' 12-billion parameter flow transformer for high-quality text-to-image generation, suitable for personal and commercial use with streaming support
Settled by community votes across 13 shared challenges, with an AI judge weighing in on each.
FLUX.1 [dev]
#16 of 62 in Text-to-Image
Imagen 4.0 Generate 001
#54 of 62 in Text-to-Image
Where the votes landed
FLUX.1 [dev]
0%
win rate
Ties
0%
Imagen 4.0 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
FLUX.1 [dev]
- + Excellent depiction of window lighting and reflections on the sphere.
- + Strong aesthetic composition with a shallow depth of field.
- + Accurately represents glass thickess and optical distortion.
- − The glass cube has internal vertical struts rather than being a simple solid or hollow cube.
- − The perspective of the plant through the glass is slightly unclear.
Imagen 4.0 Generate 001
- + High textural detail on the red book cover and pages.
- + Clear adherence to all spatial requirements of the prompt.
- + Sharp, clean renders of the glass edges.
- − The cube appears somewhat mirrored or metallic on the left side, reducing the 'glass' feel.
- − The sphere looks a bit like it is floating without a clear physical context inside the cube.
Verdict: FLUX.1 [dev] produced a more artistic and photorealistic scene with superior lighting, though it took some creative liberties with the structure of the internal cube. Imagen 4.0 followed the prompt's spatial layout more literally but struggled to convey the transparency of the glass cube, which appears highly reflective or solid in some areas. FLUX.1 [dev] is the winner for its superior visual quality and lighting.
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.1 [dev]
- + Natural skin texture and realistic, candid composition
- + Accurate motion blur on the passing vehicle
- + Correct depth of field and framing for the requested 50mm lens feel
- − The man is holding the handlebars rather than performing a specific repair action
- − Fewer raindrops visible compared to the other model
Imagen 4.0 Generate 001
- + Excellent depiction of the repair activity using tools
- + Highly detailed reflections and rain droplets on the man's jacket
- + Good imperfect framing that feels like a real street photograph
- − The tool in his hand is slightly distorted and nonsensical upon close inspection
- − Lacks the requested motion blur for the passing car
- − Skin texture appears slightly over-sharpened
Verdict: FLUX.1 [dev] excels at the photographic technicalities like motion blur and realistic depth of field, but is less specific in depicting the 'repairing' action. Imagen 4.0 captures the activity and rain textures beautifully, though it fails to include the requested motion blur and has minor structural issues with the tools. FLUX.1 [dev] is preferred for its more convincing cinematic realism.
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
FLUX.1 [dev]
- + Excellent shallow depth of field with realistic bokeh.
- + Very lifelike, detailed eyes and skin texture.
- + Subtle, realistic lighting integration from environmental sparks.
- − Missed the request for engraved plate armor, providing instead a weathered but plain metal surface.
- − The braids lack the requested small beads.
Imagen 4.0 Generate 001
- + Perfectly captures the 'ornate engraved' plate armor and beaded braids requested.
- + Includes an actual torch to explain the lighting source and follows the leather strap detail well.
- + Better conveys the 'battle-worn' aspect through more prominent facial scarring and dirt.
- − The sparks look a bit like digital artifacts rather than natural embers or fire.
- − The hair rendering is slightly stiff and repetitive in the bead placement.
Verdict: While FLUX.1 [dev] produces a more photorealistic face with superior depth of field, it ignores several key descriptors like the armor engravings and hair beads. Imagen 4.0 Generate 001 adheres much more closely to the specific artistic details of the prompt, successfully depicting a battle-hardened character with complex armor texture.
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.1 [dev]
- + Clean, professional vertical layout that realistically mimics a physical menu.
- + Excellent use of white space and minimalist orange accents.
- + Very high-quality food photography that blends seamlessly into the design.
- − Failed to follow the grid layout instruction for the food photos.
- − Missing a dedicated 'Pizza' section header as requested, though pizza is pictured.
- − Text becomes slightly illegible in the smaller descriptions.
Imagen 4.0 Generate 001
- + Strictly followed the 'food photos in grid' instruction.
- + Clearly labeled all requested sections: Appetizers, Pizza, and Mains.
- + High contrast and bold fonts make the menu easy to read at a glance.
- − The layout feels somewhat cluttered and busy compared to typical minimalist design.
- − The geometric accents (squares and triangles) are slightly distracting and inconsistent.
- − Photo quality varies across the grid squares, with some having dark backgrounds and others light.
Verdict: Imagen 4.0 followed the prompt's structural requirements much better by including the pizza section and the grid layout for photos. However, FLUX.1 [dev] produced a more aesthetically pleasing and realistic 'minimalist' design that looks like a high-end restaurant menu, despite missing some of the specific content blocks requested.
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
FLUX.1 [dev]
- + Clean vertical symmetry in the 'exploded' layout.
- + High quality rendering of the fire and embers at the base.
- + Good photorealistic texture on the bun and patties.
- − Missed the primary 'MAGIC BURGER' title completely.
- − Failed to place the price in a starburst.
- − The layout feels more like a stack than a dynamic motion-based explosion.
Imagen 4.0 Generate 001
- + Highly accurate prompt adherence, including all requested text and the starburst element.
- + Dynamic and energetic composition with floating ingredients and embers.
- + Excellent glowing fiery effect applied to the typography.
- − The '€6,99' uses a comma instead of a period, though common in some regions.
- − The price starburst is slightly clipped at the top right edge.
Verdict: Imagen 4.0 followed the complex text and layout instructions perfectly, including the specific starburst and title requirements. FLUX.1 [dev] failed to include the most important text element ('MAGIC BURGER') and missed the specific 'starburst' styling for the price, resulting in a less effective advertisement.
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
FLUX.1 [dev]
- + Excellent text accuracy and legibility for all requested menu items.
- + Authentic chalkboard aesthetic with realistic strokes and background bokeh.
- + Clean and balanced composition that feels like a real café menu.
- − Slight spelling errors in the bottom two lines of the bonus text ('drish', 'aur').
Imagen 4.0 Generate 001
- + Natural-looking wood texture on the frame.
- + Captures the requested handwriting style well.
- − Includes instructional meta-talk from the prompt as actual text on the board (e.g., 'Tittle', 'Footer').
- − Poor spelling in several places, including 'Berbs' instead of 'Herbs'.
- − The layout is cluttered with unnecessary descriptive text not intended for the final image.
Verdict: FLUX.1 [dev] followed the core instructions perfectly, producing a clean, professional menu with the exact items requested. Imagen 4.0 struggled with prompt parsing, mistakenly rendering the prompt's structural descriptions (like 'Tittle' and 'Footer') as part of the menu text, resulting in a cluttered and nonsensical output.
The Reversed Rodeo
Text-to-Image“Horse riding astronaut in space — horse on top, not vice versa. Surreal, highly detailed, cinematic.”
AI Judge Analysis
FLUX.1 [dev]
- + Features a smooth, cinematic lighting style
- + Maintains a clean composition with high visual clarity
- − Completely failed the negative constraint; the astronaut is riding the horse
- − Anatomically incorrect horse legs with extra joints and odd hoof placement
Imagen 4.0 Generate 001
- + High level of intricate detail on the spacesuit and horse's coat
- + Creative inclusion of nebula-like patterns on the horse and inside the helmet
- − Failed the negative constraint; the astronaut is riding the horse
- − The placement of the horse's legs appearing to walk on thin air or stardust is slightly awkward
Verdict: Both FLUX.1 [dev] and Imagen 4.0 Generate 001 failed the specific negative constraint to have the horse on top of the astronaut, both defaulting to the common trope of an astronaut riding a horse. Imagen 4.0 is slightly better due to its superior detail, more complex lighting, and more accurate horse anatomy, whereas FLUX.1 [dev] produced significant anatomical errors in the horse's legs.
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
FLUX.1 [dev]
- + Natural cinematic lighting and realistic textures on the capybara fur
- + High quality skin texture and hand rendering for the human passenger
- + Excellent bokeh effect on the city background
- − The passenger appears to be in the front passenger seat rather than the back seat
- − The capybara's paws are rendered with an odd, almost claw-like appearance
Imagen 4.0 Generate 001
- + Correctly places the passenger in the back seat as requested
- + Captures the professional taxi driver cap style more accurately
- + Includes both front paws on the steering wheel with better positioning
- − Slightly more 'digital' or CGI appearance compared to the photorealistic texture of Model A
- − The lighting on the capybara's face is a bit flat compared to the dramatic interior lighting of Model A
Verdict: While FLUX.1 [dev] produced a more photorealistic image with superior textures and lighting, it failed on the spatial composition by placing the passenger in the front seat. Imagen 4.0 Generate 001 followed the prompt's structural instructions much better, correctly placing the businesswoman in the back seat and providing a clearer view of the taxi's interior, making it the more accurate interpretation of the scene.
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
FLUX.1 [dev]
- + Stronger internal lighting and cinematic glow
- + Intricate thorny border with good symmetry
- − Major spelling errors in the main title including 'Falloween Rantcj'
- − Repetitive text in the details section ('7pm, 7pm')
- − Lacks the cobwebs requested in the prompt
Imagen 4.0 Generate 001
- + Excellent prompt adherence including both webs and thorns
- + Perfect spelling of all requested text and headers
- + Sophisticated layout that feels more like a functional invitation
- − The jack-o-lantern is relatively small in the composition
- − The scroll on the left side feels slightly disconnected from the overall frame
Verdict: Imagen 4.0 Generate 001 followed the complex text instructions perfectly, including all specific labels and event details without spelling errors. FLUX.1 [dev] produced a more striking visual icon, but failed significantly on the text rendering, which is a key requirement for a party 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
FLUX.1 [dev]
- + Excellent adherence to the isometric perspective and diorama layout.
- + Successfully included all text elements and the flag icon as requested.
- + Consistent cartoonish but high-quality PBR aesthetic.
- − The word 'SUSHI' is misspelled as 'SUSH CATON'.
- − The textures on the salmon look a bit gummy and less realistic than requested.
Imagen 4.0 Generate 001
- + Outstanding realism in the food textures, especially the rice and roe.
- + Very clean and balanced composition for the miniature scene.
- − Failed to include any of the requested text ('JAPAN', 'SUSHI').
- − Ignored the request for a solid light blue background.
- − Missing the Japanese flag icon.
Verdict: FLUX.1 [dev] followed the complex layout instructions and text requirements much better than Imagen 4.0, despite a minor spelling error. While Imagen 4.0 produced a more visually realistic image of food, it completely failed to include the typography and specific background color requested in the prompt.
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
FLUX.1 [dev]
- + Warm and soft lighting that matches the 'golden sunrise' request well.
- + Consistent art style across all animals.
- − Failed to include a tabby kitten, showing two puppies instead.
- − The style is very cartoony/3D-animated rather than 'hyper-photorealistic'.
- − The animals look like different variations of the same creature rather than distinct species.
Imagen 4.0 Generate 001
- + Excellent adherence to the prompt, correctly including the puppy, tabby kitten, bunny, and fox kit.
- + Very detailed fur textures and clearly visible dew sparkles on the grass.
- + Dynamic composition that captures the 'tumbling' and 'playfully chasing' aspect of the prompt.
- − The fox kit has a slightly awkward anatomy around its front paws.
- − The lighting is a bit harsh and flat in some areas compared to the 'god rays' request.
Verdict: Imagen 4.0 Generate 001 is the clear winner as it correctly followed the prompt's specific list of four different animals, whereas FLUX.1 [dev] failed to include the tabby kitten. Additionally, Imagen 4.0 Generate 001 achieved a much higher level of detail in the fur and environment, better capturing the requested 'hyper-photorealistic' and 'tumbling' action.
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.1 [dev]
- + Strong vintage aesthetic with woodcut-style shading.
- + Captures the classic typography feel well.
- − Major spelling errors ('Café Flariláan' and 'RESEAURANT').
- − Includes hallucinated numbers (11011, 1941) not requested in the prompt.
- − Steam element is very abstract compared to the cloche.
Imagen 4.0 Generate 001
- + Perfect text rendering with correct spelling of 'Caffè Florian'.
- + Clean, modern vector minimalist style.
- + Accurately follows the banner and Est. 1720 placement.
- − Slightly less 'subtle texture' than requested.
- − Stylistically leans more towards modern-clean than true 'vintage'.
Verdict: Imagen 4.0 is the clear winner because it correctly spells the name of the restaurant and follows all prompt instructions, including the banner and established date. FLUX.1 [dev] produced significant spelling errors and hallucinated extra text/numbers that cluttered the design.
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.1 [dev]
- + Excellent adherence to the muted color palette and vintage vector aesthetic.
- + Sophisticated layout with a clever orbital pathway design connecting the steps.
- + Beautiful iconography for the bottom legend section.
- − Text is almost entirely gibberish despite the prompt's clear step titles.
- − Included extra planets like Saturn which were not part of the mission or prompt.
Imagen 4.0 Generate 001
- + Perfect text rendering for the primary mission stages.
- + Clear and logical flow from bottom to top with accurate icons for trajectories.
- + High fidelity on the Saturn V rocket illustration.
- − Failed to include steps 5 (Descent) and 6 (Landing).
- − Layout is a bit repetitive with the vertical stacking and lacks some of the artistic flair of the competitor.
Verdict: Imagen 4.0 provides much more functional output for an infographic, with perfectly legible text and accurate iconography for the stages it included. However, FLUX.1 [dev] captured the 'NASA-inspired' artistic style much more effectively, though it failed significantly on text legibility and mission-specific accuracy.
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