Black Forest Labs' state-of-the-art image generation model with maximum quality and speed, supporting text-to-image and multi-reference image editing with up to 4MP output
Settled by community votes across 6 shared challenges, with an AI judge weighing in on each.
FLUX.2 [pro]
26.3
arena score
#9 of 44 in Text-to-Image
Skill signature
Not enough comparable category data
The chart appears once both models have ratings across at least three shared arena categories.
Imagen 4.0 Ultra Generate 001
22.3
arena score
#28 of 44 in Text-to-Image
Vote tally
Where the votes landed
FLUX.2 [pro]
100.0%
win rate
Ties
0.0%
Imagen 4.0 Ultra Generate 001
0.0%
win rate
100.0%
0.0% ties
0.0%
Shared challenges
6
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 [pro]
Imagen 4.0 Ultra Generate 001
100% wins
0% ties
0% wins
AI Judge Analysis
FLUX.2 [pro]
- + Excellent photographic realism and soft lighting
- + Accurate glass refraction and reflections
- + Clean and simple composition that matches all prompt requirements
- − The sphere is resting on the bottom rather than being centered, though this is a valid interpretation
Imagen 4.0 Ultra Generate 001
- + Strong text rendering on the book spine
- + Rich colors and high contrast
- − The glass cube appears excessively thick or solid, creating distracting refraction artifacts
- − The blue sphere has a strange ghostly duplication/trail behind it
- − The perspective of the cube base seems slightly warped
Verdict: FLUX.2 [pro] produced a more believable and high-quality image with natural lighting and realistic glass physics. Imagen 4.0 Ultra Generate 001 struggled with the glass material, creating a confusing visual artifact behind the blue sphere and making the cube look like thick acrylic blocks rather than a single hollow or solid cube.
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 [pro]
Imagen 4.0 Ultra Generate 001
100% wins
0% ties
0% wins
AI Judge Analysis
FLUX.2 [pro]
- + Excellent depiction of a realistic Japanese city street with believable puddles and background bokeh.
- + Very natural skin texture and age spots on the man's hands and face.
- + The bicycle mechanics (gears, chain, derailleur) are remarkably accurate and logical.
- − Minimal motion blur from passing cars, though the car in the background is slightly soft.
- − The hand positioning is slightly awkward where it meets the wheel hub.
Imagen 4.0 Ultra Generate 001
- + Successfully captured the requested 'imperfect framing' with a tighter, more candid crop.
- + Strong implementation of rain droplets on the man's jacket and skin.
- + Good shallow depth of field with visible raindrops catch in the light.
- − The bicycle structure is physically impossible, with handlebars protruding from the wall and a confusing wheel setup.
- − The man's right hand has anatomical issues, with fingers merging into the machinery.
- − Lacks the motion blur requested for passing cars.
Verdict: FLUX.2 [pro] is the superior model because it maintains high physical logic in complex objects like the bicycle and provides much more realistic skin textures. While Imagen 4.0 Ultra captured a better 'candid' mood through its lighting and framing, it suffered from significant anatomical and mechanical failures that broke the realism requested in the prompt.
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 [pro]
Imagen 4.0 Ultra Generate 001
100% wins
0% ties
0% wins
AI Judge Analysis
FLUX.2 [pro]
- + Clean, professional typography that uses bold sans-serif fonts effectively.
- + Logical dual-column layout that includes both images and a text-based price list.
- + High-quality, appetizing food photography that aligns well with the section headers.
- − Contains several spelling errors in headers like 'MINS' and item names.
- − The placement of grilled chicken under a 'Pizza' category showing photos of pizza is confusing.
Imagen 4.0 Ultra Generate 001
- + Excellent adherence to the 'grid' requirement with a very clean, structured layout.
- + Vibrant food photography that looks varied and high-end.
- + Very consistent minimalist aesthetic with plenty of white space.
- − The text is mostly gibberish or heavily distorted, making it unusable as a menu.
- − The overall composition feels a bit empty in the bottom right corner.
Verdict: FLUX.2 [pro] produces a more functional menu design with better-structured text and a realistic dual-column layout, despite some spelling errors. Imagen 4.0 Ultra Generate 001 creates a more visually striking grid of photos, but fails significantly on text legibility and content logic. FLUX.2 [pro] is preferred for its superior balance between design and readability.
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 [pro]
Imagen 4.0 Ultra Generate 001
AI Judge Analysis
FLUX.2 [pro]
- + Excellent photographic depth of field and lighting integration.
- + Highly realistic fur texture and dew drop details on the grass.
- + Natural interaction between the kitten and the fox kit.
- − Failed to include the baby bunny requested in the prompt.
- − The golden retriever's paw anatomy is slightly warped.
Imagen 4.0 Ultra Generate 001
- + Included all four requested animals: puppy, kitten, bunny, and fox.
- + Vibrant colors and strong 'god rays' lighting effects.
- + Great adherence to the 'butterflies' and 'meadow' elements.
- − The style leans towards '3D render' or 'illustration' rather than the requested 'hyper-photorealistic'.
- − The fox has an unusually long, bushy tail that looks slightly disconnected from its body.
Verdict: FLUX.2 [pro] produced a much more realistic and aesthetically pleasing image with superior lighting and textures, but it failed to include the bunny. Imagen 4.0 Ultra Generate 001 followed the prompt's subject list perfectly but resulted in a more artificial, digital art style that lacked the requested photorealism. Given the prompt's strong emphasis on 8K masterpiece realism, FLUX.2 [pro] is the stronger visual output despite the missing animal.
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 [pro]
Imagen 4.0 Ultra Generate 001
AI Judge Analysis
FLUX.2 [pro]
- + Perfect adherence to all text requirements including the 'grave accent' on Caffè.
- + Elegant circular composition creates a professional emblem feel.
- + Superior use of subtle paper-like texture on the background.
- − The shading on the cloche is slightly asymmetrical, though it fits the vintage style.
Imagen 4.0 Ultra Generate 001
- + Clean, minimalist line work that adheres well to the vector style.
- + Accurate text rendering and placement of elements.
- + Good use of warm brown and cream tones.
- − Composition feels a bit fragmented with the banner placed at the very bottom.
- − Less 'premium' feel than the emblem-style layout of the competitor.
Verdict: Both models followed the prompt exceptionally well, producing high-quality logos with correct spelling. FLUX.2 [pro] is the winner because its circular emblem composition is more cohesive as a brand identity, and the subtle background texture adds a level of sophistication that aligns perfectly with the 'vintage' request. While Imagen 4.0 Ultra is technically proficient, its layout feels more like a collection of icons rather than a finished 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.”
FLUX.2 [pro]
Imagen 4.0 Ultra Generate 001
AI Judge Analysis
FLUX.2 [pro]
- + Strictly followed the sequential 6-step structure requested in the prompt.
- + Excellent flat-vector style with crisp lines and a professional infographic layout.
- + Very legible headings and clean, consistent iconography that matches the mission phases.
- − The body text beneath the headings is garbled 'lorem ipsum' style rather than English.
- − The trajectory line between Earth Orbit and Translunar is slightly disjointed.
Imagen 4.0 Ultra Generate 001
- + Includes a central NASA-style logo and a clean white background.
- + Maintains the requested color palette across several icons.
- − Completely failed the step-by-step instruction, instead creating a chaotic cluster of icons.
- − The icons are repetitive and do not clearly represent the specific mission phases requested.
- − Text rendering is poor, with many misspelled or nonsensical words ('MOSE', 'MASED').
Verdict: FLUX.2 [pro] followed the prompt's logical progression and stylistic requirements perfectly, producing a clear, chronological infographic of the Apollo 11 mission steps. In contrast, Imagen 4.0 Ultra provided a cluttered and disorganized layout that ignored the specific 6-step sequence and suffered from significantly worse text rendering.
Next steps
Explore each model
Google's Imagen 4.0 Ultra model offering the highest fidelity and resolution for professional-grade image generation