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FLUX.1 [dev] Black Forest Labs Imagen 4.0 Fast Generate 001 Google

Settled by community votes across 13 shared challenges, with an AI judge weighing in on each.

FLUX.1 [dev]

24.6 arena score

#16 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 [dev]

0%

win rate

Ties

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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 [dev]
Imagen 4.0 Fast Generate 001

AI Judge Analysis

FLUX.1 [dev]

  • + Excellent photorealistic texture on the leather book cover
  • + Very clean and aesthetic glass refraction and reflections
  • + High quality depth of field and soft lighting
  • The glass object is a rectangular prism rather than a perfect cube
  • The sphere appears to be floating mid-air inside the glass rather than resting on the bottom

Imagen 4.0 Fast Generate 001

  • + Stronger adherence to the prompt's geometry with a more accurate cube shape
  • + Beautiful use of shadows and light play on the wooden surface
  • + The blue sphere is correctly placed on a surface
  • The plant is sitting next to the cube rather than being clearly 'behind and partially visible through' the glass as requested
  • Minor artifacts where the book meets the thin glass edge

Verdict: Both models followed the prompt well, but FLUX.1 [dev] produced a more professional, high-end photographic aesthetic with superior texture rendering. While Imagen 4.0 Fast Generate 001 handled the cube geometry better, FLUX.1 [dev] is the winner due to its superior visual quality and the realistic way the light interacts with the materials.

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 [dev]
Imagen 4.0 Fast Generate 001

AI Judge Analysis

FLUX.1 [dev]

  • + Excellent photographic quality with realistic textures
  • + Accurate depiction of rain and wet pavement reflections
  • + Follows the bokeh and shallow depth of field instructions perfectly
  • The man is just holding the handlebars rather than actively repairing the bike
  • The background car lacks the requested motion blur effect

Imagen 4.0 Fast Generate 001

  • + Successfully captured the 'imperfect framing' prompt with the window-like border
  • + The man appears to be actively working on the bike frame
  • + Good reflection and wet pavement texture
  • Anatomy issues with the subject's right hand
  • Lacks the requested motion blur for passing cars
  • The framing/border is a bit heavy-handed for a 'candid' street photo

Verdict: FLUX.1 [dev] produces a much more realistic and aesthetically pleasing photograph with high-fidelity skin and clothing textures. While Imagen 4.0 Fast Generate 001 interprets the 'imperfect framing' and 'repairing' aspects of the prompt more literally, it suffers from significant anatomical distortions in the hands and a less convincing cinematic atmosphere.

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 [dev]
Imagen 4.0 Fast Generate 001

AI Judge Analysis

FLUX.1 [dev]

  • + Excellent adherence to the paladin and armor theme
  • + High-quality textures on skin and metal
  • + Effective use of lighting and bokeh to match the prompt
  • The character appears less 'battle-worn' and more like a clean model despite faint freckles/dirt
  • Beads in the hair are understated

Imagen 4.0 Fast Generate 001

  • + Naturalistic garden lighting
  • + Realistic facial features for an older man
  • Complete failure to follow the prompt instructions regarding armor and setting
  • Not a close portrait as requested
  • Missing all specific details like armor, torchlight, and braids

Verdict: FLUX.1 [dev] followed the prompt nearly perfectly, delivering a high-quality fantasy portrait with excellent technical execution of materials. Imagen 4.0 Fast Generate 001 completely missed every aspect of the prompt, providing an image of an older man in a garden instead of a paladin in armor.

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 [dev]
Imagen 4.0 Fast Generate 001

AI Judge Analysis

FLUX.1 [dev]

  • + Excellent typography rendering with clean, readable sans-serif fonts
  • + Elegant minimalist layout with professional whitespace management
  • + High-quality, appetizing food photography with consistent lighting
  • Missed the 'grid' requirement for the layout
  • Failed to include a specific 'pizza' section header as requested

Imagen 4.0 Fast Generate 001

  • + Strictly followed the grid layout request
  • + Included all requested headers including 'PIZZA' and 'Main Courses'
  • + Used vibrant color block accents as requested
  • Poor text rendering with numerous spelling errors like 'APETIERS'
  • Food photography is repetitive and lacks variety in the dishes
  • Typography is less professional and slightly cluttered compared to Model A

Verdict: FLUX.1 [dev] produced a much more sophisticated and aesthetically pleasing design that looks like a real menu, although it missed the specific instruction for a grid layout and pizza header. Imagen 4.0 followed the prompt instructions more literally by including a grid and all requested sections, but suffered from poor text rendering and repetitive imagery. FLUX.1 [dev] is the winner for its superior visual quality and professional execution.

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 [dev]
Imagen 4.0 Fast Generate 001

AI Judge Analysis

FLUX.1 [dev]

  • + Excellent photorealistic rendering of food textures
  • + Deep, atmospheric lighting with a nice fire effect at the base
  • Failed to include the main title 'MAGIC BURGER'
  • Missing the starburst graphic for the price
  • The burger composition is vertically stacked but lacks a strong sense of 'exploded' motion

Imagen 4.0 Fast Generate 001

  • + Perfect adherence to all text requirements including 'MAGIC BURGER' and the starburst
  • + Dynamic 'exploded' composition with ingredients tilting at various angles
  • + Accurately captures the fiery, glowing effect on text as requested
  • The burger ingredients look slightly more illustrative compared to the extreme photorealism of Model A

Verdict: Imagen 4.0 followed the complex prompt instructions much more accurately than FLUX.1 [dev], successfully integrating all three requested text elements with the specified fiery effects and starburst graphic. While FLUX.1 [dev] produced a more photorealistic burger, it failed to include the primary brand name and most of the design layout requirements.

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 [dev]
Imagen 4.0 Fast Generate 001

AI Judge Analysis

FLUX.1 [dev]

  • + Excellent adherence to the 'elegant cursive' title requested
  • + Highly realistic chalk texture with dusty smudges and varying opacity
  • + Accurate spelling on all menu items including the full 'Brown Butter' completion
  • Minor spelling errors in the extra bottom text ('drish' instead of 'dish', 'aur' instead of 'our')

Imagen 4.0 Fast Generate 001

  • + Layout feels balanced and professional
  • + Clear legible text for all main items
  • Failed the elegant cursive requirement for the title
  • Included a spelling error ('Octuphus') and an awkward repetitive line for the cookies
  • The chalk texture is too clean and uniform, lacking natural variation

Verdict: FLUX.1 [dev] followed the stylistic instructions much more closely, particularly regarding the 'elegant cursive' title and the realistic chalk texture. Imagen 4.0 failed to use cursive, included spelling mistakes in the menu items, and the text appeared more like a digital font than actual handwriting.

The Reversed Rodeo

Text-to-Image

“Horse riding astronaut in space — horse on top, not vice versa. Surreal, highly detailed, cinematic.”

FLUX.1 [dev]
Imagen 4.0 Fast Generate 001

AI Judge Analysis

FLUX.1 [dev]

  • + Successfully placed the horse on top of the astronaut as requested by the specific prompt override
  • + High cinematic quality with smooth lighting and atmospheric perspective
  • + Clearer separation between the foreground subject and the background planet
  • Anatomical issues with the horse's legs appearing fused or tangled
  • Partial loss of astronaut head structure due to the horse sitting directly on it

Imagen 4.0 Fast Generate 001

  • + Superior texture detailing on the horse's coat and nebulae backdrop
  • + Better lighting integration and more realistic astronaut suit details
  • + Higher overall visual resolution and clarity
  • Failed the specific prompt instruction to have the horse on top of the astronaut
  • Anatomical error with three front legs visible on the horse

Verdict: FLUX.1 [dev] followed the difficult spatial instruction to place the horse on top of the astronaut, whereas Imagen 4.0 defaulted to the standard concept of an astronaut riding a horse. Although Imagen 4.0 has better rendering and textural detail, it suffered from serious anatomical errors (three front legs) and failed the prompt logic entirely, making FLUX.1 [dev] the winner for its superior prompt adherence.

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 [dev]
Imagen 4.0 Fast Generate 001

AI Judge Analysis

FLUX.1 [dev]

  • + Matches the 'night' atmosphere with appropriate bokeh street lights
  • + Good character expressions for both the capybara and the passenger
  • + Accurate rendering of the capybara's fur and whiskers
  • The passenger appears to be sitting in the front seat or mid-cabin rather than the back seat
  • The framing is very tight, obscuring much of the vehicle interior requested in the 'photorealistic scene'

Imagen 4.0 Fast Generate 001

  • + Excellent interior detail and physical placement of characters in the cabin
  • + Strong adherence to clothing details like the coat and professional uniform
  • + Superior anatomy for the capybara's paws on the steering wheel
  • The outdoor lighting and street environment look more like dusk or early evening than a dark NYC night
  • The passenger's hand supporting her head is slightly awkward in its connection to the chin

Verdict: Imagen 4.0 Fast Generate 001 is the winner because it successfully places the human in the back seat and the capybara in the front, creating a coherent 3D space as requested. While FLUX.1 [dev] captures the 'night' atmosphere better, it fails the spatial requirement by placing both characters on the same plane, making them look like they are sitting side-by-side in the front of the car.

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 [dev]
Imagen 4.0 Fast Generate 001

AI Judge Analysis

FLUX.1 [dev]

  • + Excellent atmospheric lighting with a high-contrast cinematic feel.
  • + Highly stylized and intricate thorn border that fits the gothic theme.
  • + Features a large, expressive central jack-o-lantern.
  • Significant text failures, including 'Lalloween Rantcy' in the title and duplications in the date and time.
  • Failed to include the requested spider web elements in the border.

Imagen 4.0 Fast Generate 001

  • + Captures the 'dark parchment' and 'web' elements more accurately to the prompt.
  • + Clearer font choice for the event details at the bottom.
  • + Better adherence to the 'twisted trees' and 'moody night sky' descriptions.
  • Includes a spelling error in the title ('IINVITATION') and 'NIGHT OF FRIGHTS'.
  • The jack-o-lantern is relatively small compared to other elements.

Verdict: While FLUX.1 [dev] has superior lighting and a punchy illustrative style, it fails significantly on text accuracy and misses the spider web requirement. Imagen 4.0 Fast Generate 001 captures the requested layout and elements like webs and twisted trees much better, but suffers from typos. Imagen is the preferred choice for a layout that actually resembles an invitation, despite the need for text correction.

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 [dev]
Imagen 4.0 Fast Generate 001

AI Judge Analysis

FLUX.1 [dev]

  • + Excellent clay-like tactile textures
  • + Beautiful soft lighting and shallow depth of field
  • + Includes a raised diorama base as requested
  • Text rendering is inaccurate and includes hallucinations ('SUSH CATON')
  • Composition is slightly off-center

Imagen 4.0 Fast Generate 001

  • + Perfectly rendered, bold text and flag icon
  • + Very clean isometric 45-degree perspective
  • + High-clarity materials and ultra-clean composition
  • The diorama base is very subtle and looks more like a standard pedestal
  • The white border around the image was not requested

Verdict: Imagen 4.0 Fast Generate 001 followed the complex text instructions perfectly, delivering clean, centered typography and a clear isometric perspective. While FLUX.1 [dev] produced a more artistically pleasing 'claymation' aesthetic with superior textures, it failed significantly on the text rendering and clarity requirements.

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 [dev]
Imagen 4.0 Fast Generate 001

AI Judge Analysis

FLUX.1 [dev]

  • + Excellent adherence to the 'wholesome vibe' and 'playful' aspect of the prompt
  • + Captures the golden sunrise light and butterflies effectively
  • + Very distinctive, expressive eyes as requested
  • Failed the 'hyper-photorealistic' part of the prompt by adopting a 3D animated/CGI aesthetic
  • Missing the kitten entirely, substituting with a duplicate puppy or stylized fox
  • Anatomically incorrect, resembling toys rather than real animals

Imagen 4.0 Fast Generate 001

  • + Successfully achieved a 'hyper-photorealistic' look with high-quality fur texture
  • + Includes all four requested species: dog, cat, rabbit, and fox
  • + Excellent natural lighting with realistic god rays and dew sparkles
  • Missing the butterflies requested in the prompt
  • The animals are sitting still rather than 'chasing' or 'tumbling' as described
  • The dog looks more like a spaniel than a golden retriever puppy

Verdict: Imagen 4.0 Fast Generate 001 is the superior choice because it adheres to the 'hyper-photorealistic' requirement and correctly includes all four specified animal types, whereas FLUX.1 [dev] produced a 3D-cartoon style image that missed the kitten. Although FLUX.1 captured the 'chasing butterflies' action better, the overall quality and realism of Imagen make it a much closer match to the technical requirements.

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 [dev]
Imagen 4.0 Fast Generate 001

AI Judge Analysis

FLUX.1 [dev]

  • + Strong vintage aesthetic with a nice cream-toned background.
  • + Good use of cross-hatching and textures in the banner illustration.
  • + Clean vector-style execution of the cloche icon.
  • Significant spelling errors in the brand name ('Flariláan') and secondary text ('Reseaurant').
  • Random numbers (11011, 1941) included that were not in the prompt.

Imagen 4.0 Fast Generate 001

  • + Perfect text rendering for the main brand name 'Caffè Florian'.
  • + Correct placement and spelling of 'Est. 1720' on the banner.
  • + Cleaner, more balanced composition that adheres strictly to the request.
  • Includes small, nonsensical placeholder text ('AFFD CARO') above the main name.
  • The steam effect is slightly less stylistic compared to the rest of the logo.

Verdict: Imagen 4.0 Fast Generate 001 is the clear winner because it correctly spelled the primary brand name, whereas FLUX.1 [dev] suffered from severe hallucinated letters and additional random numbers. While both models captured the vintage vector aesthetic well, Imagen 4.0's superior text accuracy makes it a functional logo candidate.

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 [dev]
Imagen 4.0 Fast Generate 001

AI Judge Analysis

FLUX.1 [dev]

  • + Excellent aesthetic adherence to the NASA-inspired color palette and modern vector style.
  • + Creative circular infographic layout that uses a zentral rocket as a focal point.
  • + Highly polished iconography and professional use of negative space.
  • Text consists of nonsensical gibberish instead of the requested step names.
  • The steps shown do not correlate clearly to the six specific sequence points requested.

Imagen 4.0 Fast Generate 001

  • + Successful rendering of legible labels like 'Launch', 'Descent', and 'Landing'.
  • + Includes specific requested icons such as the lunar module (LM) and the translunar trajectory arc.
  • + Clean, minimalist composition that is easy to follow.
  • Contains spelling errors such as 'APOLO' and 'MOO+ON'.
  • The infographics sequence is scattered and lacks a logical flow from step 1 through 6.
  • Includes redundant and confusing labeling, such as 'Launch' appearing twice and overlapping text.

Verdict: Both models struggled with the complex instructions for a multi-step infographic. FLUX.1 [dev] produced a much more visually appealing and professional vector illustration that perfectly matched the requested color scheme, but it failed completely on typography and the specific sequence of steps. Imagen 4.0 showed better intent regarding label legibility but suffered from spelling errors, a chaotic layout, and redundancy, making FLUX.1 [dev] the more useful artistic result despite the nonsensical text.

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