Black Forest Labs' precision image generation model with maximum control, reliable text rendering, and complete creative control supporting up to 4MP output
Settled by community votes across 13 shared challenges, with an AI judge weighing in on each.
FLUX.2 [flex]
24.8
arena score
#14 of 62 in Text-to-Image
Skill signature
· Text-to-Image
Imagen 4.0 Ultra Generate 001
22.1
arena score
#34 of 62 in Text-to-Image
Vote tally
Where the votes landed
FLUX.2 [flex]
66.7%
win rate
Ties
22.2%
Imagen 4.0 Ultra Generate 001
11.1%
win rate
66.7%
22.2% ties
11.1%
Shared challenges
13
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.”
FLUX.2 [flex]
Imagen 4.0 Ultra Generate 001
0% wins
100% ties
0% wins
AI Judge Analysis
FLUX.2 [flex]
- + Perfectly captures the 'partially visible through glass' requirement for the plant.
- + Very clean, modern aesthetic with realistic soft lighting from the left.
- + The glass object is clearly a hollow cube as implied by having something 'inside' it.
- − The blue sphere is quite large relative to the cube, pushing the definition of 'small'.
- − The book is very plain and lacks detailed texture compared to the competitor.
Imagen 4.0 Ultra Generate 001
- + Excellent detail on the book including legible text and textured paper edges.
- + The 'small' blue sphere is more accurately sized according to the prompt.
- + Strong use of light and shadow on the wooden table surface.
- − The plant is behind the cube but not visible *through* the glass, missing a key spatial instruction.
- − The glass cube appears almost like a solid block of crystal rather than a container.
- − The blue sphere appears to be floating unnaturally in the center without support.
Verdict: FLUX.2 [flex] adhered better to the complex spatial prompt by correctly rendering the plant seen through the glass cube, which feels like a hollow vessel. While Imagen 4.0 Ultra Generate 001 produced a much more detailed book and better lighting on the wood, it failed to show the plant through the glass and the sphere appears to be floating inside a solid block.
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.”
FLUX.2 [flex]
Imagen 4.0 Ultra Generate 001
AI Judge Analysis
FLUX.2 [flex]
- + Excellent depiction of motion blur from passing cars
- + Captures a very cinematic, moody atmosphere with wet pavement reflections
- + Strong adherence to the 'imperfect framing' and 'shallow depth of field' requirements
- − The structural anatomy of the bicycle is slightly nonsensical near the rear hub
- − Hands are somewhat blurry and lack fine detail
Imagen 4.0 Ultra Generate 001
- + Very high detail in skin texture and clothing
- + Realistic mechanical interaction with tools and the bicycle
- + Excellent rendering of rain droplets on the man's jacket
- − Lacks the requested 'motion blur' from passing cars, making the background feel static
- − The background bokeh is less 'cinematic' and more digitally sharp than Model A
Verdict: FLUX.2 [flex] followed the creative elements of the prompt much better, specifically the 'motion blur' and 'imperfect framing,' resulting in a more cinematic and candid street photo. Imagen 4.0 Ultra Generate 001 produced a more technically sharp subject with superior skin textures, but failed to include the requested motion blur and had a less convincing shallow depth of field.
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.”
FLUX.2 [flex]
Imagen 4.0 Ultra Generate 001
AI Judge Analysis
FLUX.2 [flex]
- + Excellent photorealistic skin texture and lifelike eyes.
- + Strong implementation of 'battle-worn' with realistic dirt and wet-looking scars.
- + Superior engraving detail on the plate armor.
- − The torch flame in the background has a slightly artificial, flattened look compared to the lighting.
Imagen 4.0 Ultra Generate 001
- + Fantastic intricate braiding and beadwork that follows the prompt precisely.
- + Dramatic warm lighting and dynamic bokeh sparks.
- + Good balance between the character and the background elements.
- − Skin texture appears slightly more painterly/generated than Model A.
- − The scars look like surface lines rather than physical tissue damage.
Verdict: FLUX.2 [flex] wins on raw realism, particularly with the convincing texture of the skin, eyes, and the tarnished metal of the armor. While Imagen 4.0 Ultra Generate 001 did a superior job with the complex braiding and the overall 'glow' of the composition, FLUX's detail on the leather straps and the grit of the character feels more grounded and lifelike.
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.”
FLUX.2 [flex]
Imagen 4.0 Ultra Generate 001
67% wins
0% ties
33% wins
AI Judge Analysis
FLUX.2 [flex]
- + Excellent typography rendering with readable fonts and realistic price formatting.
- + Very clean, professional layout that perfectly follows the requested sections (Appetizers, Pizza, Mains).
- + High-quality, appetizing food photography that is consistent in style.
- − The grid of photos doesn't perfectly align with the text items below them.
- − The text includes some gibberish words, though they look like real language at a glance.
Imagen 4.0 Ultra Generate 001
- + Stronger adherence to the 'grid' prompt for the food photos.
- + Good use of color accents on the side of each image tile.
- + Includes a larger quantity of food photography which looks varied and vibrant.
- − The text is significantly less legible and contains more artifacts than Model A.
- − The layout is slightly cluttered and lacks the professional 'white space' of a minimalist design.
- − Pricing and descriptors are floating and inconsistent in size.
Verdict: FLUX.2 [flex] produced a much more professional and realistic menu layout that adheres strictly to the section headers requested. While Imagen 4.0 Ultra Generate 001 provides a better grid of images, its text rendering and overall graphic design feel messy compared to the clean, polished output of FLUX.2.
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.”
FLUX.2 [flex]
Imagen 4.0 Ultra Generate 001
AI Judge Analysis
FLUX.2 [flex]
- + Excellent typography with a realistic flame effect on the main title.
- + High photorealistic detail in the texture of the meat patty and dripping sauce.
- + Stronger sense of motion with crumbs and embers flying across the frame.
- − The starburst for the price is a bit simple and overlaps the bottom bun oddly.
Imagen 4.0 Ultra Generate 001
- + Perfectly balanced exploded view with clear separation of all requested components.
- + Very clean and professional starburst design for the price point.
- + Dynamic swirling background enhances the 'magic' theme.
- − The lighting on the 'MAGIC BURGER' text is a bit flat compared to the fiery effect in Image A.
- − The sauce on the bottom bun looks slightly less appetizing than the dripping sauce in Image A.
Verdict: Both models followed the prompt exceptionally well, but FLUX.2 [flex] wins on visual impact due to the superior fiery text effects and the highly detailed, appetizing textures of the burger itself. While Imagen 4.0 Ultra Generate 001 provides a cleaner layout and a better starburst, it feels slightly more like a CGI rendering, whereas FLUX.2 [flex] captures a more photorealistic food photography aesthetic.
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.”
FLUX.2 [flex]
Imagen 4.0 Ultra Generate 001
AI Judge Analysis
FLUX.2 [flex]
- + Excellent chalk texture throughout the lettering
- + Authentic cursive title that matches the prompt requirements
- + Realistic smudging and chalk dust on the board surface
- − The slant in the bottom text is a bit inconsistent with the main items
Imagen 4.0 Ultra Generate 001
- + Perfect text accuracy including the completed bottom item
- + Clean composition with consistent spacing
- + Natural variations in letter height and size
- − The 'cursive' requirement for the title is not fully met, as it is mostly print
- − The chalk texture on the letters is slightly too uniform and clean
- − The board surface lacks the subtle erased-chalk smudging of Model A
Verdict: FLUX.2 [flex] produced a more authentic 'chalkboard' feel with superior texture and better adherence to the cursive title request. While Imagen 4.0 Ultra provided very accurate and legible text, it felt slightly more like a digital font than real chalk on slate, whereas FLUX.2 captured the gritty variation of a real menu.
The Reversed Rodeo
Text-to-Image“Horse riding astronaut in space — horse on top, not vice versa. Surreal, highly detailed, cinematic.”
FLUX.2 [flex]
Imagen 4.0 Ultra Generate 001
AI Judge Analysis
FLUX.2 [flex]
- + Excellent adherence to the 'horse on top' spatial instruction
- + Cinematic lighting and impressive background nebula details
- + Creative and surreal composition that matches the prompt's intent
- − The horse's front legs blending into the astronaut's hands is slightly messy
- − The horse's muzzle anatomy is a bit exaggerated
Imagen 4.0 Ultra Generate 001
- + High resolution and clean rendering
- + Coherent equipment design like the horse's space helmet
- + Good technical quality in terms of surface textures
- − Failed the negative constraint; the astronaut is on top of the horse
- − Lacks the surreal energy requested in the prompt
- − Traditional and somewhat generic interpretation of the concept
Verdict: FLUX.2 [flex] successfully interpreted the difficult spatial constraint of having the horse on top of the astronaut, resulting in a truly surreal image. Imagen 4.0 Ultra Generate 001 produced a high-quality image but ignored the specific 'not vice versa' instruction, resulting in a standard horse-riding astronaut. FLUX.2 [flex] is the clear winner for following complex prompt logic.
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.”
FLUX.2 [flex]
Imagen 4.0 Ultra Generate 001
AI Judge Analysis
FLUX.2 [flex]
- + Excellent photorealistic lighting and textures throughout.
- + Strong adherence to the 'bored' expression requested for the passenger.
- + The capybara's hands/paws look more integrated into the scene.
- − The capybara's hands look slightly more human than animalistic.
Imagen 4.0 Ultra Generate 001
- + Excellent capybara paws that look realistic yet functional.
- + Very clear focus on the capybara's professional facial expression.
- + Clean, modern taxi interior.
- − The passenger's expression looks more stressed or tired than 'bored'.
- − The lack of the taxi's exterior door frame makes the 'inside the taxi' feeling less grounded.
Verdict: FLUX.2 [flex] wins for its superior photorealism and better adherence to the passenger's requested 'bored' expression, which is key to the humor of the prompt. While Imagen 4.0 Ultra has better animal paws, FLUX.2 captures the overall atmospheric night lighting of a New York taxi more effectively.
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.”
FLUX.2 [flex]
Imagen 4.0 Ultra Generate 001
AI Judge Analysis
FLUX.2 [flex]
- + Excellent typography rendering with zero errors.
- + Captures the vintage parchment aesthetic perfectly.
- + The torn edges and moody lighting create a cohesive, polished look.
- − The color palette is a bit monochromatic compared to the sky description.
Imagen 4.0 Ultra Generate 001
- + Stronger 'moody night sky' with deep blue tones.
- + Good incorporation of specifically requested thorns and webs in the border.
- + Accurate text rendering for all requested fields.
- − The illustration style feels a bit more like a modern cartoon than 'vintage gothic'.
- − The composition feels slightly cluttered with the large thorny vines overlapping everything.
Verdict: Both models followed the complex text requirements perfectly. FLUX.2 [flex] produced a more authentic 'vintage gothic' design with superior parchment textures and professional layout, while Imagen 4.0 Ultra included more vibrant colors and emphasized the thorn/web elements more literally. Both are high-quality, but FLUX.2 feels more like a finished invitation product.
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.”
FLUX.2 [flex]
Imagen 4.0 Ultra Generate 001
AI Judge Analysis
FLUX.2 [flex]
- + Perfect adherence to the 'top-center' text placement request.
- + Extremely clean, minimalist aesthetic with high clarity.
- + Large, bold, and well-aligned text rendering.
- − The sushi models look slightly more like clay than realistic PBR materials.
- − The 'small raised diorama base' is very simple and blends into the background.
Imagen 4.0 Ultra Generate 001
- + Excellent variety and detail in the sushi miniature models.
- + Better representation of a 'raised diorama base' with layered depth.
- + Rich textures on the sushi rice and fish components.
- − Failed to place the text strictly at the 'top-center' as it shifted the flag to the side.
- − More visual clutter in the garnish compared to the 'minimal' request.
Verdict: FLUX.2 [flex] followed the layout instructions more precisely, particularly the specific 'top-center' vertical stack of text and flag. However, Imagen 4.0 Ultra Generate 001 produced a much more visually interesting and detailed miniature scene with superior textures and a better defined diorama base, despite the slight misalignment of the text elements.
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.”
FLUX.2 [flex]
Imagen 4.0 Ultra Generate 001
100% wins
0% ties
0% wins
AI Judge Analysis
FLUX.2 [flex]
- + Excellent adherence to the hyper-photorealistic style requested.
- + Superior lighting and depth of field, with realistic god rays and soft morning mist.
- + Anatomy and fur textures across all four animals are highly realistic and detailed.
- − The fox's front right leg has a slightly awkward, elongated appearance.
- − The kitten is significantly smaller than the rabbit, which looks a bit scale-inaccurate.
Imagen 4.0 Ultra Generate 001
- + Perfect count and variety of all four animals requested.
- + Dynamic posing with most animals actively engaging with the butterflies.
- + Vibrant and colorful meadow with clear dewdrop details.
- − The style leans toward digital illustration or 3D rendering rather than the requested hyper-photorealism.
- − Anatomic issues, particularly the fox's hands/paws which look too human-like.
- − The kitten's paws have an inconsistently high number of dark toe pads/claws.
Verdict: FLUX.2 [flex] much better captures the 'hyper-photorealistic' requirement with natural lighting, realistic textures, and a believable atmosphere. Imagen 4.0 Ultra Generate 001 provides a charming and busy scene, but the aesthetic is closer to a digital painting than a photograph, and it suffers from some anatomical distortions in the paws of the fox and kitten.
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.”
FLUX.2 [flex]
Imagen 4.0 Ultra Generate 001
AI Judge Analysis
FLUX.2 [flex]
- + Perfect text rendering including the grave accent in 'Caffè'.
- + Excellent minimalist vector style with clean, bold lines.
- + Balanced circular composition that feels like a professional badge.
- − The banner for 'Est. 1720' is slightly simple compared to the typography.
Imagen 4.0 Ultra Generate 001
- + Sophisticated vintage aesthetic with nice cross-hatching detail on the cloche.
- + Good use of the two-tone cream and brown palette within the banner.
- + Strong technical execution of the classic typography.
- − The horizontal line under the cloche has some minor messy dot artifacts.
- − The 'Est. 1720' text is slightly less crisp than the main title.
Verdict: Both models followed the prompt exceptionally well, producing high-quality vector-style logos. FLUX.2 [flex] is the winner due to its cleaner execution and more cohesive circular composition, while Imagen 4.0 Ultra provided a slightly more detailed vintage texture that was marred by small line 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.”
FLUX.2 [flex]
Imagen 4.0 Ultra Generate 001
75% wins
25% ties
0% wins
AI Judge Analysis
FLUX.2 [flex]
- + Excellent text rendering with clear, legible titles and subtitles.
- + Strictly followed the sequential 6-step infographic logical flow.
- + Perfect adherence to the requested NASA-inspired color palette and flat-vector style.
- − The 'Descent' illustration is missing its bottom half due to the crop/composition edge.
- − Technically missed the very last step (Landing on surface) as a separate icon, combining it into the layout.
Imagen 4.0 Ultra Generate 001
- + High-quality vector aesthetic with a professional layout.
- + Includes a stylized NASA logo that fits the theme well.
- − Failed significantly on text rendering with gibberish words like 'MIOLLO' and 'MASED'.
- − Did not follow the specific 6-step sequence requested, instead creating a generic radial diagram.
- − The iconography is abstract and does not clearly represent the specific mission stages (e.g., Saturn V, orbital rings).
Verdict: FLUX.2 [flex] is the clear winner as it followed the complex multi-step prompt instructions and rendered legible, accurate text for each stage of the mission. While it cut off the bottom icon slightly, its content is logical and educational, whereas Imagen 4.0 Ultra generated a visually pleasing but functionally useless infographic filled with nonsensical text and repetitive, unrelated icons.
Next steps
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Google's Imagen 4.0 Ultra model offering the highest fidelity and resolution for professional-grade image generation