Black Forest Labs' 12 billion parameter distilled image generation model optimized for speed, capable of generating high-quality images in just 4 inference steps
Settled by community votes across 13 shared challenges, with an AI judge weighing in on each.
FLUX.1 [schnell]
18.7
arena score
#48 of 62 in Text-to-Image
Skill signature
· Text-to-Image
Imagen 4.0 Fast Generate 001
17.7
arena score
#52 of 62 in Text-to-Image
Vote tally
Where the votes landed
FLUX.1 [schnell]
0%
win rate
Ties
0%
Imagen 4.0 Fast Generate 001
0%
win rate
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.1 [schnell]
Imagen 4.0 Fast Generate 001
AI Judge Analysis
FLUX.1 [schnell]
- + Features a high-quality glass material with realistic thickness and refraction.
- + Excellent background plant integration with vibrant colors.
- + Accurately represents the soft window light from the left.
- − Added an extra blue sphere on top of the book that was not requested.
- − The sphere inside appears to be floating unnaturally without support.
Imagen 4.0 Fast Generate 001
- + Follows the object count correctly with only one blue sphere.
- + Features highly realistic lighting and shadows on the wooden surface.
- + The scale of the 'small' blue sphere better matches the prompt description.
- − The glass cube is missing its front face, appearing more like a frame or shelf.
- − The plant is positioned more to the side than directly behind the cube.
Verdict: FLUX.1 [schnell] creates a more physically convincing glass cube with proper refraction, but fails the logic test by adding an extra sphere. Imagen 4.0 Fast provides superior lighting and shadow work, but its cube construction is structurally flawed as it lacks a front face. Imagen 4.0 Fast is preferred for following the specific count of objects requested, despite the missing glass panel.
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.1 [schnell]
Imagen 4.0 Fast Generate 001
AI Judge Analysis
FLUX.1 [schnell]
- + Excellent depiction of a rainy street mood with realistic pavement reflections.
- + Accurate bike anatomy and believable grasp on the handlebars.
- + High-quality skin texture and realistic clothing wrinkles for the subject.
- − Lack of visible 'motion blur' on the passing cars as requested.
- − Framing feels a bit too balanced and clean for a 'candid' or 'imperfect' shot.
Imagen 4.0 Fast Generate 001
- + Successfully captured 'imperfect framing' with the foreground bokeh object framing the scene.
- + Excellent reflection on the wet pavement which follows the light source well.
- + Successfully depicted rain splashes hitting the ground.
- − The subject's face is partially cropped out of the frame.
- − The bicycle handles and front fork have structural inaccuracies and messy cable rendering.
- − Missed the 'motion blur' requirement for the background vehicles.
Verdict: FLUX.1 [schnell] produced a much more coherent and high-quality image with a clear focus on the subject and a more detailed red bicycle. While Imagen 4.0 Fast Generate 001 did a better job attempting the 'imperfect framing' and 'candid' feel, it suffers from poor bicycle anatomy and a cropped face that makes the image less effective.
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.1 [schnell]
Imagen 4.0 Fast Generate 001
AI Judge Analysis
FLUX.1 [schnell]
- + Excellent adherence to the 'close portrait' framing and 'paladin' theme.
- + Highly detailed textures on the skin, armor engravings, and hair braids.
- + Effective use of warm lighting and bokeh to create a cinematic atmosphere.
- − The facial expression is somewhat overly intense or stylized.
- − Small beads in the hair are present but could be more distinct.
Imagen 4.0 Fast Generate 001
- + Naturalistic skin textures and realistic lighting.
- + Crisp details on the leather jacket material.
- − Complete failure to follow the prompt instructions regarding armor, paladin theme, and close-up framing.
- − Missing all specific requested elements like braids, beads, and torchlight.
Verdict: FLUX.1 [schnell] followed the prompt accurately, delivering a high-quality, cinematic portrait of a fantasy paladin with rich textures and appropriate lighting. Imagen 4.0 Fast Generate 001 failed the prompt entirely, generating a full-body shot of a modern man in a garden which bore no resemblance to the requested fantasy warrior.
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.1 [schnell]
Imagen 4.0 Fast Generate 001
AI Judge Analysis
FLUX.1 [schnell]
- + Excellent minimalist aesthetic with large white spaces
- + Good use of sans-serif fonts that look clean and professional
- + Effective use of photography in a grid format
- − Text becomes unreadable gibberish in the body sections
- − The section name ORFEFUS is a hallucination not found in the prompt
Imagen 4.0 Fast Generate 001
- + Stronger adherence to 'vibrant accents' with colored blocks
- + More realistic layout for a casual dining menu including prices
- + Higher density of food photography and information
- − Spelling error in the main heading 'APETIERS'
- − The grid layout feels slightly cluttered compared to Model A
- − Duplicate section headers for 'PIZZA'
Verdict: FLUX.1 [schnell] creates a more elegant and minimalist design that feels like a high-end menu, though the body text is poor. Imagen 4.0 Fast Generate 001 provides a more functional menu layout with the requested vibrant accents, but suffers from spelling errors and organizational repetition. FLUX.1 [schnell] is preferred for its superior professional layout and aesthetic polish.
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.1 [schnell]
Imagen 4.0 Fast Generate 001
AI Judge Analysis
FLUX.1 [schnell]
- + Excellent photorealism on the texture of the meat and bun
- + Dynamic sense of motion with high-speed scatter effect
- − Spelling error in the main title ('AGIC' instead of 'MAGIC')
- − The burger is mostly assembled rather than 'exploded' as requested
- − Text layout is messy with repetitive and incorrect pricing
Imagen 4.0 Fast Generate 001
- + Perfect text rendering for all requested strings
- + Accurately represents the 'exploded' burger concept with suspended layers
- + Strict adherence to the fiery, glowing effect on all text elements
- − Slightly less 'photorealistic' textures compared to the competitor, looking a bit more like a 3D render
- − Composition is a bit static despite the floating elements
Verdict: Imagen 4.0 followed the prompt instructions much more accurately, successfully rendering the 'exploded' layout and all requested text without spelling errors. While FLUX.1 [schnell] had more realistic lighting and food textures, its failure to spell 'MAGIC' and its messy price starburst make it a poor advertisement choice.
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.1 [schnell]
Imagen 4.0 Fast Generate 001
AI Judge Analysis
FLUX.1 [schnell]
- + Natural chalk texture on the lettering
- + Excellent background depth and cafe atmosphere
- − Numerous spelling errors including 'Pril' and 'Mushmnctiomn'
- − Failed to follow the cursive handwriting requirement for the title
Imagen 4.0 Fast Generate 001
- + Highly accurate spelling and adherence to the specific menu text
- + Clean and readable layout
- + Better adherence to the requested date and prices
- − Font style looks more like a digital font than natural chalkboard handwriting
- − Incorrectly spelt 'Octuphus' and 'Cookes'
- − Missing the 'elegant cursive' style requested for the title
Verdict: Imagen 4.0 Fast Generate 001 is the clear winner for its superior ability to render the specific text and menu items requested, despite some minor spelling quirks and a very uniform font style. FLUX.1 [schnell] produced more realistic chalk textures and a better cafe environment, but it completely failed on spelling and text legibility for the main menu items.
The Reversed Rodeo
Text-to-Image“Horse riding astronaut in space — horse on top, not vice versa. Surreal, highly detailed, cinematic.”
FLUX.1 [schnell]
Imagen 4.0 Fast Generate 001
AI Judge Analysis
FLUX.1 [schnell]
- + Excellent adherence to the specific 'horse on top' spatial instruction
- + Superior cinematic lighting and surreal atmosphere
- + Strong composition with the planet curvature framing the subjects
- − Anatomical glitch with two horse heads emerging from one body
Imagen 4.0 Fast Generate 001
- + High clarity in the rendering of the astronaut's face and suit
- + Detailed starry background textures
- − Failed the primary negative constraint by placing the astronaut on top
- − Conventional 'astronaut on horse' trope rather than the requested surreal inversion
Verdict: FLUX.1 [schnell] is the clear winner for following the complex prompt instruction to place the horse on top of the astronaut, creating a truly surreal image. While Imagen 4.0 Fast Generate 001 provides a high-quality render, it completely ignored the specific spatial 'vice versa' instruction, resulting in a generic output.
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.1 [schnell]
Imagen 4.0 Fast Generate 001
AI Judge Analysis
FLUX.1 [schnell]
- + Excellent texture on the capybara fur
- + High clarity on the passenger's face and phone
- + Atmospheric night lighting and bokeh effect
- − The capybara only has one paw near the wheel, and the perspective is slightly confusing
- − Capybara looks like it is staring at the camera rather than driving
Imagen 4.0 Fast Generate 001
- + Perfect adherence to 'both front paws on the steering wheel'
- + Highly authentic taxi driver cap and professional uniform
- + Captures the bored, non-chalant expression of the businesswoman perfectly
- − The passenger's hands holding the phone are a bit distorted
- − The lighting on the capybara's snout is a bit flat compared to the rest of the scene
Verdict: Imagen 4.0 Fast Generate 001 followed the complex physical instructions of the prompt more accurately, specifically placing both paws on the steering wheel and better depicting the 'bored' expression of the passenger. FLUX.1 [schnell] has slightly more realistic fur and lighting, but the composition feels more like a staged photo rather than a professional driver in action.
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.1 [schnell]
Imagen 4.0 Fast Generate 001
AI Judge Analysis
FLUX.1 [schnell]
- + Atmospheric cinematic lighting on the jack-o-lantern and background.
- + Includes the requested twisted trees and thorny borders effectively.
- + Captures the gothic aesthetic well with the color palette.
- − Significant text hallucinations and repetition in the event details.
- − Failed to render the scroll banner correctly, putting text in multiple places with typos.
- − Grammatical errors in the main body text.
Imagen 4.0 Fast Generate 001
- + Excellent parchment paper effect with realistic deckle edges.
- + Better adherence to the scroll banner requirement with legible text.
- + Includes high-quality spider web details in the corners.
- − Spelling error in the main title ('IINVITATION').
- − The formatting of the location/time at the bottom is slightly cramped.
- − Lighting is a bit flatter compared to the moody atmosphere of Model A.
Verdict: While FLUX.1 [schnell] creates a more moody and atmospheric piece of art, its text handling is poor, with significant repetition and garbled details. Imagen 4.0 Fast Generate 001 adheres much better to the specific layout requests like the parchment texture and scroll banner, and though it has a typo in the title, the event details are far more legible and accurate.
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.1 [schnell]
Imagen 4.0 Fast Generate 001
AI Judge Analysis
FLUX.1 [schnell]
- + Clean, professional graphic design aesthetic
- + Excellent 45-degree isometric perspective
- + High clarity and minimalist diorama base
- − Failed to include the word 'SUSHI' in the text
- − The red marking on the salmon is a bit distracting/unrealistic
Imagen 4.0 Fast Generate 001
- + Followed all text instructions including 'JAPAN', 'SUSHI', and the flag
- + Excellent rendering of 3D textures like the salmon and roe
- + Pleasing color palette and composition
- − The white border around the square image is slightly uneven
Verdict: While FLUX.1 [schnell] produced a very clean and professional-looking graphic, it failed to include the word 'SUSHI' as requested. Imagen 4.0 Fast Generate 001 followed the prompt's text requirements perfectly and provided a more detailed 3D scene with more variety in the subject matter while maintaining the requested isometric style.
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.1 [schnell]
Imagen 4.0 Fast Generate 001
AI Judge Analysis
FLUX.1 [schnell]
- + Vibrant color palette and excellent 'golden sunrise' lighting.
- + Includes the butterflies mentioned in the prompt.
- − Failed to include a distinct rabbit; it merged features into two cat-like hybrids.
- − Appearance is more digital illustration than hyper-photorealistic.
Imagen 4.0 Fast Generate 001
- + Successfully included all four distinct animals: dog, cat, fox, and bunny.
- + Excellent photorealistic texures and believable fur rendering.
- + Beautiful backlighting and god rays.
- − Completely missed the 'butterflies' element of the prompt.
- − The dog resembles a spaniel more than a golden retriever puppy.
Verdict: FLUX.1 [schnell] captures the joyful atmosphere and butterflies well, but fails significantly on the prompt's subject list by omitting the rabbit and creating hybrid animals. Imagen 4.0 Fast Generate 001 is much more successful at rendering four distinct, photorealistic animals and achieves superior visual quality, despite missing the butterflies.
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.1 [schnell]
Imagen 4.0 Fast Generate 001
AI Judge Analysis
FLUX.1 [schnell]
- + Strong vector emblem style
- + Clean and professional typography layout
- − Major spelling errors in the main name and the date
- − Missing the steam element requested in the prompt
Imagen 4.0 Fast Generate 001
- + Perfect text accuracy for the name and the date
- + Includes the steam element above the cloche
- + Excellent minimalist vintage composition
- − Small gibberish text fragments above the main line
- − The cloche is slightly off-center compared to the text block
Verdict: Imagen 4.0 Fast Generate 001 followed the prompt requirements much more accurately, correctly spelling 'Caffè Florian' and 'Est. 1720' while including the requested steam. FLUX.1 [schnell] failed significantly on text rendering, hallucinating 'Cafe Framilan' and the year '7720'.
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.1 [schnell]
Imagen 4.0 Fast Generate 001
AI Judge Analysis
FLUX.1 [schnell]
- + Excellent adherence to the color palette constraints.
- + Strong vector aesthetic with clean, minimalist shapes.
- + Logical spatial flow from launch at the top to landing at the bottom.
- − Text consists of illegible gibberish characters.
- − Lack of clear step-by-step numbering as requested in the prompt.
Imagen 4.0 Fast Generate 001
- + Legible text that accurately reflects the mission steps requested.
- + Includes clever iconography like the three astronauts and Tranquility Base marker.
- + Maintains a very clean, professional infographic layout.
- − The 'MOO+ON+SURFACE' and 'APOLO' text contains minor spelling errors.
- − The visual sequence is a bit cluttered and less linear than requested.
Verdict: FLUX.1 [schnell] creates a more visually striking and cohesive vector art piece that perfectly matches the requested NASA color palette, but its text is completely illegible. Imagen 4.0 Fast Generate 001 provides much better utility as an infographic by delivering readable text and specific mission details, though it suffers from minor typos. Imagen 4.0 is the preferred choice for a functional infographic, while FLUX.1 is better for a purely decorative illustration.
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