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 Ultra Generate 001
#33 of 62 in Text-to-Image
Where the votes landed
FLUX1.1 [pro] Ultra
0%
win rate
Ties
0%
Imagen 4.0 Ultra 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
FLUX1.1 [pro] Ultra
- + Excellent depiction of thin glass edges and realistic reflections.
- + Internal sphere has a textured, physical appearance matching the lighting.
- + Clean and realistic book texture on the spine.
- − The glass cube is missing a bottom face on the table surface, appearing more like a glass box frame.
Imagen 4.0 Ultra Generate 001
- + Perfect text rendering on the book's spine.
- + High-quality wood grain and shadow details on the table.
- + Accurate cube geometry with solid glass thickness.
- − The blue sphere has a strange double-vision or ghosting artifact behind it.
- − The glass refraction logic for the plant behind the cube is slightly inconsistent.
Verdict: Both models followed the spatial instructions perfectly. FLUX1.1 [pro] Ultra created a more realistic 'glass' feel with delicate edges, while Imagen 4.0 Ultra captured the book text and table textures with superior clarity but suffered from a strange artifact behind the blue sphere.
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 the passing vehicle
- + High-quality skin texture and realistic wet pavement reflections
- + Follows the request for 'imperfect framing' by using a wider street perspective
- − The man's pose looks more like he is simply holding the bike rather than actively repairing it
- − The bike's rear wheel is missing significant structural components (hubs/spokes) near the bottom
Imagen 4.0 Ultra Generate 001
- + Successfully captures the man in a crouching 'repairing' posture
- + Included visible raindrops on the jacket, enhancing the 'light rain' atmosphere
- + Excellent detail on the bike's drivetrain and the man's hands
- − Failed to include 'motion blur from passing cars' as requested
- − The background car is static rather than blurred
Verdict: FLUX1.1 [pro] Ultra followed many more of the technical prompt cues, specifically the cinematic motion blur and the wider street framing, though the bike geometry is slightly flawed. Imagen 4.0 Ultra provided a more emotionally resonant and detailed 'repair' scene with better subject matter logic, but it missed the specific technical requirement for motion blur.
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 completely black canvas.
- − Total failure to fulfill the prompt.
Imagen 4.0 Ultra Generate 001
- + Excellent adherence to technical details like the beaded braids, faint scars, and engraved armor.
- + High-quality texture work on the leather straps and the chainmail/cloth underlayer.
- + Effective use of warm torchlight and bokeh sparks to create atmosphere.
- − The torch in the background is slightly distracting from the 'close portrait' focus.
- − The facial expression is somewhat stiff despite the high level of skin detail.
Verdict: FLUX1.1 [pro] Ultra failed to generate a visible image, resulting in a black frame. Imagen 4.0 Ultra Generate 001 successfully captured all elements of the prompt with impressive detail on the armor engravings and the specific hair styling requested.
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
- + Excellent presentation as a 3D mock-up with realistic lighting and shadows.
- + Clean and professional layout that looks like a real casual dining brochure.
- + Uses bold sans-serif fonts effectively for headings.
- − Text contains several spelling errors (e.g., 'Pizzzans').
- − The food images overlap and feel slightly cluttered rather than a strict grid.
Imagen 4.0 Ultra Generate 001
- + Perfect adherence to the grid layout requested in the prompt.
- + Clear and organized sectioning for appetizers, pizza, and mains.
- + Consistent and professional food photography across all cells.
- − Text is somewhat illegible at smaller sizes.
- − Layout is a bit repetitive and feels more like a template than a finished design.
Verdict: FLUX1.1 [pro] Ultra provides a more realistic and visually appealing mock-up of a physical menu, whereas Imagen 4.0 Ultra Generate 001 provides a very literal and clean interpretation of the 'grid' requirement. Imagen 4.0 is preferred for its superior organizational structure and systematic layout, which fits the 'modern minimalist' prompt better than the slightly chaotic arrangement in FLUX1.1.
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 typography with a strong glowing neon effect
- + High-quality, realistic food textures for the patties and lettuce
- + Strong sense of depth with foreground elements and embers
- − Missed the starburst element for the price
- − Includes hallucinated watermark-like text at the bottom corners
Imagen 4.0 Ultra Generate 001
- + Perfect adherence to all prompt elements, including the starburst
- + Dynamic circular composition enhances the sense of motion
- + Cleaner presentation without extraneous bottom text
- − Text size is a bit small relative to the burger
- − The lighting on the cheese appears slightly flat
Verdict: Both models performed exceptionally well, but Imagen 4.0 is the winner for total prompt adherence, successfully including the requested starburst for the price. While FLUX1.1 [pro] Ultra has more impactful main title typography, it failed on the starburst requirement and included digital artifacts in the footer.
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
- + Very realistic chalk texture with dusty smudges on the board.
- + Authentic natural variation in handwriting style.
- − Several spelling errors including 'Truffle mushroomm' and 'friistratnisnios'.
- − Repetitive and nonsensical text lines at the bottom.
Imagen 4.0 Ultra Generate 001
- + Perfect adherence to spelling and specific menu items.
- + Consistent and elegant chalk handwriting style as requested.
- + Clean, professional composition with realistic chalk smudging.
- − The handwriting style is slightly more uniform, bordering on looking like a font.
- − Single-line title instead of the classic multi-line hierarchy usually found on menus.
Verdict: Imagen 4.0 Ultra is the clear winner as it followed the complex text instructions perfectly, whereas FLUX1.1 [pro] Ultra suffered from significant typos and repetitive text artifacts. While FLUX1.1 had a slightly more convincing raw chalk texture, the legibility and accuracy of Imagen 4.0 Ultra make it far superior for this specific prompt.
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 high-resolution textures.
- + Dynamic composition with a sense of movement in orbit.
- + Good sharp details on the astronaut suit and horse mane.
- − Failed the specific spatial instruction; the astronaut is riding the horse.
- − Anatomical issues with the horse's legs and hooves in the lower portion.
Imagen 4.0 Ultra Generate 001
- + High visual clarity and creative addition of space gear for the horse.
- + Pleasing color palette with the nebula background.
- + Consistent lighting across the horse and astronaut.
- − Failed the specific spatial instruction; the astronaut is riding the horse.
- − The horse lacks the 'cinematic' realism requested, looking slightly illustrative.
Verdict: Both models failed the primary logical constraint of the prompt, which requested the horse to be on top of the astronaut ('horse riding astronaut'). FLUX1.1 [pro] Ultra produced a more epic, cinematic image with superior lighting, while Imagen 4.0 followed a more traditional interpretation with added creative details like the horse's space mask.
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 photorealistic lighting and skin textures.
- + Perfect adherence to the 'Manhattan streets at night' background description.
- + Captures the professional but calm expression of the capybara well.
- − Composition error where the human is sitting in the passenger seat instead of the back seat.
- − The woman appears to be holding the steering wheel reaching past the driver.
Imagen 4.0 Ultra Generate 001
- + Correctly places the woman in the back seat as requested.
- + Captures the capybara with both paws on the steering wheel accurately.
- + High level of detail in the capybara's fur and the taxi driver cap.
- − The woman's hands on her face look slightly distorted.
- − The background lighting is a bit generic and less 'photorealistic Manhattan' than the competitor.
Verdict: While FLUX1.1 [pro] Ultra has superior photorealistic rendering and atmospheric lighting, it failed the spatial logic of the prompt by placing the passenger in the front seat. Imagen 4.0 Ultra correctly followed the compositional instructions by placing the passenger in the back, making it the more accurate interpretation of the scene despite slightly less realistic lighting.
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 use of parchment texture and a scroll-like layout
- + Intricate thorn border creates a high-quality gothic aesthetic
- + Accurate rendering of the specific date and location details
- − Included redundant and misspelled text ('noickt') below the banner
- − Missed the word 'Party' in the main title
- − Composition is a bit cluttered in the text area
Imagen 4.0 Ultra Generate 001
- + Perfect text accuracy including all requested words without typos
- + Strong hierarchical composition with the jack-o-lantern at the center
- + Vibrant cinematic lighting and clear moody night sky background
- − The thorns and webs appear more digital and less 'vintage' than requested
- − The parchment element is limited to a single banner rather than a full poster
Verdict: Imagen 4.0 Ultra follows the text instructions perfectly, including the full 'Halloween Party Invitation' title and banner text without any spelling errors. While FLUX1.1 [pro] Ultra has a more authentic vintage 'parchment' texture and better gothic thorn details, it suffers from a significant text hallucination below the banner and omits a word from the title.
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 soft 3D cartoon style with high visual appeal.
- + Strong font integration with stylistic flair.
- + Higher complexity in the diorama base elements.
- − Includes some odd artifacts like a small red bug-like object and steam which wasn't requested.
- − Composition is a bit cluttered compared to the 'minimal' request.
Imagen 4.0 Ultra Generate 001
- + Perfect adherence to the 'minimal garnish and plate' instruction.
- + Clean, bold text rendering with a high-quality flag icon.
- + Accurate 45-degree isometric projection and square formatting.
- − The textures look slightly more plastic than 'realistic PBR' materials.
- − The 'floating' plate creates a shadow that makes the diorama feel less grounded.
Verdict: Imagen 4.0 Ultra follows the prompt's organizational constraints more accurately, specifically concerning the text layout and the minimal nature of the sushi platter. FLUX1.1 [pro] Ultra has a more charming and detailed artistic style, but it failed to follow the 'centered' text requirement and added unnecessary elements like a plant and an insect. Imagen 4.0 is the winner for its superior prompt adherence and clean execution of the specific isometric layout requested.
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 unavailable for this challenge.
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 vector emblem style with professional shading
- + Great use of depth and warm brown tones
- + High-quality typography integration within the ribbon
- − Spelling error: 'Framilian' instead of 'Florian'
- − The design feels a bit heavy for a 'minimalist' request
Imagen 4.0 Ultra Generate 001
- + Perfect spelling of 'Caffè Florian'
- + Strong adherence to the 'minimalist' keyword
- + Clean composition with accurate banner placement for 'Est. 1720'
- − The line art on the cloche is slightly thin compared to the bold text
- − Texture is very subtle to the point of being barely visible
Verdict: While FLUX1.1 [pro] Ultra produced a more visually complex and stylistically impressive emblem, it failed on the core text requirement, misspelling the name as 'Framilian'. Imagen 4.0 followed the prompt's 'minimalist' keyword much better and provided perfectly rendered text, making it the more usable logo 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
FLUX1.1 [pro] Ultra
- + Excellent adherence to the chronological step-by-step layout.
- + Clean, professional flat-vector aesthetic that looks like a high-quality poster.
- + Superior text legibility for headers and numbers.
- − Nonsense filler text in the body paragraphs.
- − Icon logic becomes confusing in the bottom half of the image.
Imagen 4.0 Ultra Generate 001
- + Strong adherence to the requested NASA color palette.
- + Good use of space with a vertical infographic design.
- − Completely failed to follow the requested 6 steps (Launch, Earth Orbit, etc.).
- − Icons are nonsensical and text is largely garbled gibberish.
- − Layout feels cluttered and unbalanced compared to the prompt's modern vector requirement.
Verdict: FLUX1.1 [pro] Ultra followed the complex instructional prompt much more accurately, creating a logical linear flow representing the mission steps. While its body text is nonsensical, the structure and visual quality far exceed Imagen 4.0 Ultra Generate 001, which ignored the specific mission steps and produced abstract, unreadable icons.
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