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FLUX.1 Krea [dev] Black Forest Labs Grok Imagine Image Pro xAI

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

FLUX.1 Krea [dev]

18.8 arena score

#48 of 62 in Text-to-Image

Skill signature · Text-to-Image

Grok Imagine Image Pro

24.5 arena score

#17 of 62 in Text-to-Image

Vote tally

Where the votes landed

FLUX.1 Krea [dev]

0%

win rate

Ties

0%

Grok Imagine Image Pro

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 Krea [dev]
Grok Imagine Image Pro

AI Judge Analysis

FLUX.1 Krea [dev]

  • + Excellent cinematic lighting and realistic glass textures.
  • + Very high photorealism with sophisticated depth of field.
  • + Correct interpretation of 'partially visible through glass' while keeping the plant in the background.
  • The internal reflection of the sphere is very strong, creating a slightly distracting secondary shape.
  • The wooden table texture is quite smooth and less detailed compared to Model B.

Grok Imagine Image Pro

  • + Perfect adherence to all prompt elements, including the specific texture of the wooden table.
  • + Clever and high-quality text rendering on the book spine that fits the context.
  • + The green plant is very clearly visible through the glass panes as requested.
  • The lighting is bit flatter and more bright than the 'soft' request suggests.
  • The glass cube edges appear slightly thin and less substantial than real-world thick glass.

Verdict: Both models followed the complex spatial instructions perfectly. FLUX.1 Krea [dev] produced a more artistic, moody, and photorealistic result with beautiful soft lighting, while Grok Imagine Image Pro produced a sharper image with excellent detail on the wood and impressively rendered text on the book. Grok is preferred for its technical clarity and clever thematic addition on the book spine, while FLUX is preferred for visual atmosphere.

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 Krea [dev]
Grok Imagine Image Pro

AI Judge Analysis

FLUX.1 Krea [dev]

  • + Captures the motion blur from passing cars effectively.
  • + The lighting and reflections on the pavement are very realistic.
  • + Good adherence to the 'imperfect framing' prompt with a lower camera angle.
  • The man is just standing with the bike rather than 'repairing' it.
  • The bicycle anatomy is slightly warped near the pedals and chain area.

Grok Imagine Image Pro

  • + Excellent adherence to the 'repairing' instruction, showing the man using a wrench.
  • + Sharp details on the subject's face and clothing texture.
  • + High-quality reflections in the puddles.
  • The 'motion blur' from cars is limited to light streaks, lacking the sense of a moving vehicle body.
  • The bicycle kickstand appears to be floating or incorrectly positioned relative to the ground.

Verdict: Grok Imagine Image Pro is the winner because it successfully depicts the man actively repairing the bicycle with a tool, whereas FLUX.1 Krea [dev] simply shows him standing over it. While FLUX.1 Krea [dev] captured the 'motion blur' of the cars more holistically, Grok Imagine Image Pro provided a more detailed and compositionally sound interpretation of the narrative core of the prompt.

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 Krea [dev]
Grok Imagine Image Pro

AI Judge Analysis

FLUX.1 Krea [dev]

  • + Excellent photographic cinematic lighting with realistic bokeh.
  • + Subtle, realistic engraving on the plate armor.
  • + Very lifelike skin texture and natural facial expression.
  • The 'faint scars' look more like blood splatters than healed tissue.
  • The beads in the hair are very tiny and less distinct than requested.

Grok Imagine Image Pro

  • + Exceptional attention to detail on the leather straps, stitching, and cloth layers.
  • + Accurately represents 'hair braided with small beads' with distinct jewelry.
  • + Impressive text rendering of 'Lux in tenebris' on the gorget.
  • The lighting feels more like a fantasy game render than a lifelike photograph.
  • The sparks appear somewhat flat and digitally overlaid compared to the background.

Verdict: Both models followed the prompt exceptionally well, but with different stylistic choices. FLUX.1 Krea [dev] produced a more cinematic, moody, and photorealistic portrait, while Grok Imagine Image Pro excelled in technical detail, specifically the fine textures of the clothing, the legibility of the engraved text, and the complexity of the braids.

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 Krea [dev]
Grok Imagine Image Pro

AI Judge Analysis

FLUX.1 Krea [dev]

  • + Excellent presentation of the menu as a physical mockup with realistic shadows.
  • + Effective use of grid layout for food photography.
  • + Includes realistic currency symbols and pricing alignment.
  • Text consists of nonsensical 'lorem ipsum' style gibberish.
  • Duplicate 'APPETIZERS' header instead of using a 'PIZZA' section as requested.

Grok Imagine Image Pro

  • + Perfect adherence to the section requirements (Appetizers, Pizza, Mains).
  • + Content is mostly legible and contextually appropriate for a menu.
  • + High-quality, vibrant food photography that matches the labels.
  • Some text rendering errors like 'Pepperani' and 'Avucado'.
  • Layout feels slightly more like a flyer or web gallery than a traditional printed menu.

Verdict: FLUX.1 Krea delivers a more realistic physical product mockup, but fails on text legibility and strict adherence to the section names. Grok Imagine Image Pro provides a highly functional design that correctly implements the Appetizers/Pizza/Mains categories with readable descriptions and vibrant imagery, making it the more useful output for a design brief.

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 Krea [dev]
Grok Imagine Image Pro

AI Judge Analysis

FLUX.1 Krea [dev]

  • + Excellent photorealistic texture on the burger bun and patty.
  • + Clear and professional-looking typography.
  • + Good use of depth with the foreground coals and background fire.
  • Failed to place the price in a starburst as requested.
  • The burger components are mostly stacked rather than 'exploded' or suspended in mid-air.
  • Contains some gibberish fine-print text at the bottom.

Grok Imagine Image Pro

  • + Excellent adherence to the 'exploded burger' composition with dynamic sauce splashes.
  • + Accurately followed the prompt for a fiery, glowing text effect.
  • + Correctly placed the price inside a starburst element.
  • The cheese physics look slightly unnatural where it strings to the top bun.
  • The 'LIMITED TIME ONLY' text is slightly less legible than the title.

Verdict: Grok Imagine Image Pro is the clear winner as it followed every detail of the prompt, including the exploded composition, the specific starburst for the price, and the fiery text effects. While FLUX.1 Krea (dev) has slightly more realistic food textures, it failed to execute the layout and specific text requirements requested in the prompt.

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 Krea [dev]
Grok Imagine Image Pro

AI Judge Analysis

FLUX.1 Krea [dev]

  • + Excellent chalk texture application on the board background
  • + Good framing and clean wooden border
  • Significant spelling errors and hallucinations in the text (e.g., 'Gruffle', 'Lcoman', 'Chvcuations')
  • Failed to complete the 'Brown Butter' item correctly based on the truncated prompt
  • Handwriting looks slightly more like a digital script font than authentic chalk

Grok Imagine Image Pro

  • + Perfect text rendering with zero spelling errors
  • + Excellent adherence to the 'Brown Butter' prompt completion
  • + Authentic chalk handwriting style with varyng line weights and realistic textures
  • The lighting reflections at the top are a bit harsh
  • Slightly less 'elegant cursive' in the title than requested, leaning more toward print-script

Verdict: Grok Imagine Image Pro significantly outperformed FLUX.1 Krea by rendering a legible, accurately spelled menu that captured the essence of handwritten chalk perfectly. FLUX.1 Krea suffered from severe text artifacts and hallucinations, rendering several lines of gibberish despite having a nice background texture.

The Reversed Rodeo

Text-to-Image

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

FLUX.1 Krea [dev]
Grok Imagine Image Pro

AI Judge Analysis

FLUX.1 Krea [dev]

  • + Excellent photorealistic texture and lighting
  • + Cinematic composition with realistic Earth backdrop
  • + High structural detail on the astronaut suit and mechanical saddle
  • Failed the primary prompt instruction by placing the astronaut on top of the horse

Grok Imagine Image Pro

  • + Successfully followed the specific instruction of having the horse on top
  • + Vibrant colors and creative nebula background
  • + Dynamic and surreal composition
  • Anatomical issues where the astronaut's right arm joins the body
  • Slightly less realistic lighting compared to the alternative

Verdict: While FLUX.1 Krea [dev] produces a significantly more realistic and cinematic image, it completely fails to follow the negative constraint of the prompt. Grok Imagine Image Pro successfully interprets the surreal instruction to have the horse riding the astronaut, making it the winner for adherence despite some anatomical flaws in the astronaut.

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 Krea [dev]
Grok Imagine Image Pro

AI Judge Analysis

FLUX.1 Krea [dev]

  • + Excellent texture on the capybara's fur
  • + Good cinematic lighting and focus on the character
  • + Successful depiction of the bored expression requested
  • Includes an extra person in the front passenger seat which was not in the prompt
  • The capybara's front paws are merged awkwardly into the steering wheel
  • The taxi cap looks slightly plastic and toy-like

Grok Imagine Image Pro

  • + Shows the capybara's paws clearly gripping the steering wheel as requested
  • + Highly specific and accurate NYC medallion text on the cap
  • + Composition better highlights both the driver and the passenger in their respective seats
  • The passenger's face is somewhat distorted with a slightly melted appearance
  • Reflection on the windshield is a bit busy and distracting

Verdict: Grok Imagine Image Pro adhered much better to the specific layout of the prompt, correctly featuring only the capybara driver and the passenger, whereas FLUX.1 Krea [dev] added an extra human character. Grok also successfully rendered the specific physical action of the paws on the wheel and included impressive text details on the driver's cap.

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 Krea [dev]
Grok Imagine Image Pro

AI Judge Analysis

FLUX.1 Krea [dev]

  • + Ornate border with highly detailed spiderwebs
  • + Clear and vibrant lighting on the jack-o-lantern
  • Significant text errors including 'Pasty Halloween' and 'You are are invited to a nights tright'
  • Muddled event details at the bottom
  • Composition feels a bit flat and illustrative compared to the cinematic request

Grok Imagine Image Pro

  • + Excellent text rendering with near-perfect spelling and elegant gothic fonts
  • + Superior cinematic atmosphere with a textured parchment effect and moody sky
  • + Compositionally balanced with thorns, twisted trees, and webs as requested
  • The jack-o-lantern is a bit centered and standard compared to the rest of the intricate art
  • Minor smudge on the 'L' of 'Halloween'

Verdict: Grok Imagine Image Pro is the clear winner as it followed every text instruction precisely and delivered a more polished, atmospheric result. FLUX.1 Krea [dev] failed significantly on the text, producing several typos and nonsensical words like 'Pasty Halloween' which ruined the invitation's utility.

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 Krea [dev]
Grok Imagine Image Pro

AI Judge Analysis

FLUX.1 Krea [dev]

  • + Excellent 3D miniature diorama aesthetic with a geometric base
  • + Perfect adherence to the 45-degree isometric composition
  • + Text is large, bold, and clearly legible without artefacts
  • The flag icon is placed as a 3D object on the plate rather than a graphic icon in the text area
  • The salmon texture is slightly over-glossy compared to 'soft refined'

Grok Imagine Image Pro

  • + Follows text placement and flag icon instructions perfectly within the header
  • + Includes a wider variety of sushi models with distinct textures
  • + Clean typography with subtle drop shadows
  • The base is a simple round tray rather than a 'small raised diorama base'
  • Lower camera angle deviates slightly from the requested 45-degree top-down isometric view

Verdict: FLUX.1 Krea (dev) captures the 'diorama' and 'isometric' aspects of the prompt much better, creating a more professional 3D render look. However, Grok Imagine Image Pro followed the specific text formatting and icon placement instructions more accurately, even if the scene composition was a bit more generic.

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 Krea [dev]
Grok Imagine Image Pro

AI Judge Analysis

FLUX.1 Krea [dev]

  • + Excellent soft lighting and bokeh effect.
  • + High level of detail in the fur texture.
  • + Clean composition with a beautiful warm color palette.
  • Failed to include the baby bunny entirely.
  • Included two kittens instead of one.
  • The butterfly scale and placement feel slightly flat.

Grok Imagine Image Pro

  • + Successfully included all four requested animal types (puppy, kitten, bunny, fox).
  • + The 'tumbling' and 'playful' interaction is more dynamic and accurate to the prompt.
  • + Clear depiction of god rays and morning dew.
  • The fox's limb anatomy is slightly awkward and lacks realism.
  • The image has a slightly more saturated, 'over-processed' digital look compared to Model A.
  • Duplicated the kitten subject similar to Model A.

Verdict: While FLUX.1 Krea produced a more aesthetically pleasing and high-fidelity image with superior lighting, it failed on prompt adherence by missing the bunny. Grok Imagine Image Pro followed the prompt much more accurately, including all required animals and better capturing the 'tumbling' action, despite some minor anatomical issues with the fox kit.

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 Krea [dev]
Grok Imagine Image Pro

AI Judge Analysis

FLUX.1 Krea [dev]

  • + Excellent vintage texture and distressed edges
  • + Detailed hand-drawn woodcut illustration style
  • Significant spelling error in the main brand name ('FLANDR'IN' instead of 'Florian')
  • Cloche dome design looks more like a decorative jar or architectural element
  • Text is crowded and messy

Grok Imagine Image Pro

  • + Perfect text rendering with correct spelling and accents
  • + Clean, minimalist vector emblem style true to the prompt
  • + Accurate representation of a cloche dome with stylized steam
  • Texture is very subtle, almost unnoticeable
  • Design is slightly generic compared to the artistic flair of the other model

Verdict: While FLUX.1 Krea [dev] captures a more authentic vintage aesthetic, it fails significantly on the primary objective of spelling the brand name correctly. Grok Imagine Image Pro provides a clean, professional logo with perfect adherence to the text requirements and a much clearer cloche dome illustration.

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 Krea [dev]
Grok Imagine Image Pro

AI Judge Analysis

FLUX.1 Krea [dev]

  • + Bold, high-contrast visual style with a prominent title.
  • + Uses an appropriate navy and white color scheme.
  • Failed to follow the numbered steps, including nonsensical icons like Saturn and random generic people pins.
  • Text labels are garbled or missing for the specific mission steps.
  • The icons do not match the requested subjects for each step.

Grok Imagine Image Pro

  • + Perfect adherence to the 6-step sequence with accurate iconography for each.
  • + Excellent text rendering for headers, steps, and crew names.
  • + Clean, modern vector aesthetic that aligns perfectly with the 'infographic' prompt.
  • The light gray background is a bit less dynamic than a dark space theme, though it fits the 'modern infographic' request.

Verdict: Grok Imagine Image Pro followed the prompt instructions with near-perfect accuracy, providing a logical flow of the 6 requested steps with correct icons and legible text. FLUX.1 Krea [dev] failed the infographic logic entirely, including a planet with rings (Saturn) and failing to label the steps as requested. Grok is the clear winner for its adherence to complex structure and text accuracy.

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