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Stable Diffusion 3.5 Medium Stability AI Z-Image Turbo Alibaba

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

Stable Diffusion 3.5 Medium

16.8 arena score

#57 of 62 in Text-to-Image

Skill signature · Text-to-Image

Z-Image Turbo

25.3 arena score

#12 of 62 in Text-to-Image

Vote tally

Where the votes landed

Stable Diffusion 3.5 Medium

0%

win rate

Ties

0%

Z-Image Turbo

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.”

Stable Diffusion 3.5 Medium
Z-Image Turbo

AI Judge Analysis

Stable Diffusion 3.5 Medium

  • + Excellent adherence to lighting instructions with a clear source from the left
  • + Vibrant colors and high-contrast composition
  • + Good transparency effects on the glass cube
  • The sphere is floating unrealistically in the center of the cube
  • The red book looks more like a thin lid or folder rather than a traditional book
  • The plant is positioned more to the side than effectively 'behind' the glass

Z-Image Turbo

  • + Realistic physics with the sphere resting on the bottom of the cube
  • + The red book is very detailed and holds its shape correctly
  • + Superior rendering of materials, including wood grain and glass thickness
  • The green plant is quite blurry and positioned further back than requested
  • Lighting is a bit more diffused/flat compared to the directional lighting in the other model

Verdict: Z-Image Turbo is the clear winner for its realistic interpretation of the scene, particularly the convincing weight of the objects and the accurately rendered book. Stable Diffusion 3.5 Medium followed the lighting prompt well, but suffered from an unrealistic floating sphere and a distorted representation of the red book.

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.”

Stable Diffusion 3.5 Medium
Z-Image Turbo

AI Judge Analysis

Stable Diffusion 3.5 Medium

  • + Excellent cinematic atmosphere with realistic light reflections on wet pavement.
  • + Perfectly captures the moody '50mm lens' and 'light rain' aesthetic with shallow depth of field.
  • + The subject feels integrated into a believable Japanese urban environment.
  • The bicycle geometry is warped and lacks functional realism.
  • Hands are poorly defined and look like blobs of flesh.

Z-Image Turbo

  • + Features much better skin texture and anatomical detail on the man's arms and face.
  • + The bicycle's structure is more coherent and recognizable as a functional object.
  • Fails to include the 'motion blur from passing cars' requested in the prompt.
  • The lighting feels flat and lacks the 'cinematic' quality and reflections seen in the other model.
  • The background cars are static and sharply in focus, defying the lens request.

Verdict: Stable Diffusion 3.5 Medium wins on atmosphere and prompt adherence, successfully capturing the 'motion blur' and 'cinematic' mood requested, despite some anatomical flaws in the hands and bicycle. Z-Image Turbo provides better character detail and realistic skin, but it fails the specific stylistic requests like motion blur and shallow depth of field, resulting in a flat-looking image.

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.”

Stable Diffusion 3.5 Medium
Z-Image Turbo

AI Judge Analysis

Stable Diffusion 3.5 Medium

  • + Excellent skin texture with visible dirt and pores
  • + Intricate engraving details on the plate armor
  • + Strong use of warm lighting and bokeh sparks to create atmosphere
  • Missed the request for beads in the hair braids
  • The framing is slightly too close, clipping the top of the head

Z-Image Turbo

  • + Successfully included beads in the hair braids
  • + Higher variety of textures including chainmail and cloth underlayers
  • + Features clear scars and battle-worn marks on the face
  • The torch flame looks somewhat artificial and lacks interaction with the surrounding environment
  • Skin texture is slightly smoothed compared to the other model

Verdict: Stable Diffusion 3.5 Medium provides a more intense, cinematic close-up with superior metal engraving and skin textures, but it failed to include the requested hair beads. Z-Image Turbo followed the prompt more comprehensively by including the beads and a wider range of armor materials, though its lighting and flame effects were less integrated. Stable Diffusion 3.5 Medium is the winner for its superior visual quality and realism.

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.”

Stable Diffusion 3.5 Medium
Z-Image Turbo

AI Judge Analysis

Stable Diffusion 3.5 Medium

  • + Features a comprehensive grid of diverse food photos
  • + Adheres to the specific section requests for appetizers, pizza, and mains
  • + Maintains a clean, professional aesthetic suitable for a casual dining menu
  • Text is largely illegible gibberish
  • The layout feels a bit cluttered with small, poorly rendered text blocks

Z-Image Turbo

  • + Excellent text rendering for headers like 'APPETIZERS' and 'PIZZA'
  • + High-quality, vibrant food photography that looks appetizing
  • + Structured grid layout with clear orange accents that pop
  • Typo in 'PIZZA MANS' and 'SE TIIION'
  • The grid logic for the text sections is slightly less traditional than a standard menu

Verdict: Z-Image Turbo is the clear winner because it produces far superior typography and high-resolution food imagery, whereas Stable Diffusion 3.5 Medium fails to generate legible text. While both models followed the grid layout request, Z-Image Turbo's output looks like a professional design asset, despite the minor spelling errors.

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.”

Stable Diffusion 3.5 Medium
Z-Image Turbo

AI Judge Analysis

Stable Diffusion 3.5 Medium

  • + Photorealistic texture on the burger bun and patty.
  • + Accurate text rendering for all requested messages.
  • + Effectively captures the dark, fiery background with glowing embers.
  • Fails to deliver an 'exploded' view; the burger is mostly assembled and hovering.
  • The starburst for the price is a simple white graphic that doesn't match the fiery theme.

Z-Image Turbo

  • + Excellent integration of the 'fiery, glowing effect' on all text elements.
  • + High-quality graphic design composition suitable for a social media ad.
  • + Perfectly follows the starburst requirement with a glowing, thematic design.
  • Misses the 'exploded' instruction; the burger is a standard double cheeseburger tilted to imply motion.
  • The background lighting is a bit more generic than the specific ember detail requested.

Verdict: While both models failed to provide a truly 'exploded' burger with separated components, Z-Image Turbo produced a much more cohesive advertisement by successfully applying the fiery glowing effect to the text and starburst. Stable Diffusion 3.5 Medium has slightly better realism on the food textures, but the text elements feel like flat overlays rather than integrated parts of the scene.

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.”

Stable Diffusion 3.5 Medium
Z-Image Turbo

AI Judge Analysis

Stable Diffusion 3.5 Medium

  • + Successfully captures a textured, artistic chalk aesthetic.
  • + The wooden frame and background add to the cozy café atmosphere.
  • Text is largely illegible with severe spelling errors.
  • Failed to follow the specific date and pricing instructions.
  • The layout is cluttered and disorganized.

Z-Image Turbo

  • + Excellent text rendering with almost perfect adherence to the prompt's wording.
  • + Followed the specific date and price instructions accurately.
  • + Layout is clean, legible, and realistic for a menu.
  • One minor spelling error ('Mustroom' instead of 'Mushroom').
  • The handwriting is a bit too uniform, bordering on a digital font look in certain areas.

Verdict: Z-Image Turbo is the clear winner as it successfully rendered nearly all the complex text requested in the prompt, including the specific date and prices. Stable Diffusion 3.5 Medium failed significantly on prompt adherence, producing garbled text that did not follow the requested menu items or date.

The Reversed Rodeo

Text-to-Image

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

Stable Diffusion 3.5 Medium
Z-Image Turbo

AI Judge Analysis

Stable Diffusion 3.5 Medium

  • + Strong composition with a sense of scale against the planet Earth.
  • + High visual clarity and cinematic lighting with vibrant star fields.
  • Failed the core 'horse on top' reversal prompt, showing a human on a horse.
  • Significant anatomical glitches including the astronaut having three legs.

Z-Image Turbo

  • + Good texture on the horse's coat and equipment.
  • + Clear rendering of the astronaut suit.
  • Completely failed the negative constraint to put the horse on top.
  • Background is muddy and lacks the cinematic 'space' feel requested.
  • The horse exhibits anatomical issues with its hind legs and tail connection.

Verdict: Both models failed the specific prompt instruction to place the horse on top of the astronaut, instead providing the cliché astronaut-riding-a-horse. Stable Diffusion 3.5 Medium is preferred because its composition and environmental rendering are far more 'cinematic' and high-detailed, whereas Z-Image Turbo has a flat, low-contrast background and more awkward anatomical distortions.

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.”

Stable Diffusion 3.5 Medium
Z-Image Turbo

AI Judge Analysis

Stable Diffusion 3.5 Medium

  • + Excellent texture on the capybara's fur and the taxi driver cap
  • + Creative composition using a 'dashboard' perspective to frame the scene
  • + Accurately places the passenger in the back seat as requested
  • The passenger is not looking at a phone
  • The capybara's paws are rendered as sharp claws that look slightly unnatural for its species

Z-Image Turbo

  • + Perfect adherence to the passenger action, showing her correctly holding and looking at a phone
  • + Clear profile view that shows both the capybara and passenger in high detail
  • + Strong adherence to the 'calm, professional expression' described in the prompt
  • The passenger appears to be in the front passenger seat rather than the back seat
  • The capybara's 'hand' on the steering wheel looks like a hybrid primate hand rather than a capybara paw

Verdict: Z-Image Turbo followed much more of the specific prompt details, particularly the businesswoman looking at her phone, though it failed to place her in the backseat. Stable Diffusion 3.5 Medium created a more cinematic frame from the dashboard's perspective and correctly positioned the passenger in the back, but missed the phone interaction entirely. Z-Image Turbo captures the 'bored' professional atmosphere more successfully.

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.”

Stable Diffusion 3.5 Medium
Z-Image Turbo

AI Judge Analysis

Stable Diffusion 3.5 Medium

  • + Bold, vibrant colors and balanced layout
  • + Creative use of trees to frame the central parchment
  • Significant spelling errors and illegible text strings
  • Missing requested elements like the scroll banner and thorns

Z-Image Turbo

  • + High text accuracy and legibility throughout
  • + Excellent adherence to details like the scroll banner and thorn border
  • + Polished, cinematic lighting on the central jack-o-lantern
  • Minor typo in 'Archves' instead of 'Arches'
  • The layout feels slightly crowded at the top

Verdict: Z-Image Turbo is the clear winner for its superior text rendering and adherence to complex prompt instructions like the thorn border and scroll banner. While Stable Diffusion 3.5 Medium has a strong artistic composition, its inability to spell simple words and its omission of key design elements makes it less functional as a party invitation.

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.”

Stable Diffusion 3.5 Medium
Z-Image Turbo

AI Judge Analysis

Stable Diffusion 3.5 Medium

  • + Excellent PBR textures and lighting realism on the sushi
  • + Clean typography that looks professionally integrated
  • + Detailed food rendering with high clarity
  • Missed the flag icon requested in the prompt
  • Missing the small raised diorama base
  • Text includes a slight artifact on the first 'S' in Sushi

Z-Image Turbo

  • + Successfully included the requested raised diorama base
  • + Excellent 3D cartoon style with soft, rounded textures
  • + Clear and legible typography
  • Incorrectly generated the flag of China instead of Japan
  • Sushi piece looks somewhat generic/plastic compared to Model A
  • Text is slightly off-center compared to the sushi plate

Verdict: Stable Diffusion 3.5 Medium produces much more realistic food textures and professional-looking typography, whereas Z-Image Turbo better captures the requested 'diorama base' and 'isometric 3D cartoon' aesthetic. However, Z-Image Turbo's inclusion of the Chinese flag for a prompt explicitly requesting Japan is a significant factual error, making Stable Diffusion 3.5 Medium the preferred choice for overall quality.

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.”

Stable Diffusion 3.5 Medium
Z-Image Turbo

AI Judge Analysis

Stable Diffusion 3.5 Medium

  • + Vibrant color saturation and warm lighting
  • + Clear, expressive eye details
  • + High quality rendering of flowers and background
  • Failed to include the baby bunny
  • Missing the 'tabby' pattern on the kitten, appearing more like a ginger cat
  • Anatomical fusion between the kitten and the fox's leg

Z-Image Turbo

  • + Successfully included all four requested animals
  • + Captures the 'tumbling' and 'playful' action much better
  • + Accurate representation of the 'tabby' kitten and 'baby bunny' specifically requested
  • Lighting is slightly washed out compared to Model A
  • The kitten's front paws and the fox's legs have some clipping/anatomical confusion
  • Slightly less '8K masterpiece' level of fur texture

Verdict: While Stable Diffusion 3.5 Medium produced a more polished and vibrant single image, it failed to meet the prompt requirements by omitting the bunny. Z-Image Turbo followed the complex prompt more accurately by including all four distinct animals and better capturing the playful movement, making it the more successful response despite slight anatomical glitches.

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.”

Stable Diffusion 3.5 Medium
Z-Image Turbo

AI Judge Analysis

Stable Diffusion 3.5 Medium

  • + Excellent vintage illustration style with intricate shading
  • + Follows the warm brown and cream color scheme perfectly
  • + Creative integration of a coffee cup and banners into the composition
  • Text contains spelling errors ('Florrian' and 'Est 170')
  • Fails the 'minimalist' requirement with overly dense detail
  • Layout feels cluttered for a modern logo

Z-Image Turbo

  • + Perfect adherence to text requirements including 'Caffè Florian' and 'Est. 1720'
  • + Successfully executes the minimalist vector emblem style
  • + Clean and balanced composition suitable for actual logo use
  • The 'steam' element is very basic in design
  • Texture on the background is extremely subtle to the point of being nearly invisible

Verdict: Stable Diffusion 3.5 Medium produces a beautiful vintage illustration but fails significantly on typography and the 'minimalist' constraint. Z-Image Turbo delivers a much more functional logo that adheres perfectly to all text prompts and the vector aesthetic, making it the superior choice for a branding task.

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.”

Stable Diffusion 3.5 Medium
Z-Image Turbo

AI Judge Analysis

Stable Diffusion 3.5 Medium

  • + Strong aesthetic alignment with the NASA-inspired color palette and flat-vector style.
  • + Includes a sequence of six steps as requested in the prompt.
  • + Appealing layout with a creative trajectory arc composition.
  • Text is largely illegible or gibberish despite attempting some of the keywords.
  • Icons are abstract and do not clearly represent the specific requested objects like the Saturn V rocket.

Z-Image Turbo

  • + Text is highly legible and correctly identifies several key terms like 'Earth Orbit'.
  • + Icons are clean, well-defined, and much more accurate to the subject matter, including a visible rocket and lander.
  • + Excellent adherence to the 'flat-vector' style with crisp lines.
  • Failed to provide all 6 specific steps, combining icons into a general layout instead.
  • Spelling error in the main header ('APOLIO') and some sub-text.

Verdict: Stable Diffusion 3.5 Medium created a more cohesive 'infographic poster' layout and followed the requested six-step structure, but its text and iconography were very poor. Z-Image Turbo produced superior icons and legible text, though it failed to follow the specific sequential instruction for all six steps. Z-Image Turbo is the likely winner for its clarity and accuracy of the visual elements which are crucial for a vector infographic.

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