Nano Banana Pro vs Stable Diffusion 3.5 Large
Head-to-head across 10 challenges
Nano Banana Pro
73.9%
win rate
Ties
0.0%
Stable Diffusion 3.5 Large
26.1%
win rate
Challenge Results
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
Nano Banana Pro
- + Perfect adherence to the spatial arrangement requested.
- + Highly realistic textures, especially the wood grain and glass reflections.
- + Excellent lighting that feels natural and follows the prompt's direction.
- − The plant is slightly more to the side than directly behind, though it is visible through the glass.
Stable Diffusion 3.5 Large
- + Clean, modern aesthetic.
- + Clear visibility of the sphere and glass cube.
- − Failed the spatial instruction by placing the book inside the cube instead of on top.
- − The blue sphere appears to be floating unnaturally.
- − The plant is positioned above the cube rather than behind it.
Verdict: Gemini 3 Pro Image Preview followed the prompt's spatial instructions perfectly, placing the red book on top of the cube and the sphere inside. Stable Diffusion 3.5 Large failed the core composition by placing the cube over the book and floating the sphere, resulting in a less realistic and less accurate image.
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
Nano Banana Pro
- + Exceptional photographic realism with natural skin textures and authentic clothing details.
- + Perfectly captures the 'imperfect framing' and 'candid' street photography aesthetic.
- + Highly realistic environment with legible Japanese signage and accurate wet pavement reflections.
- − The motion blur on the passing taxi is subtle rather than pronounced.
Stable Diffusion 3.5 Large
- + Good use of shallow depth of field to isolate the subject.
- + Strong rain effects with visible droplets on the man and bicycle.
- + Includes more noticeable motion blur on the background bus.
- − The anatomy of the man's hands is mangled and physically impossible.
- − The bicycle frame is structurally incoherent where it meets the handlebars and pedals.
- − The image has a visible 'AI sheen' or smooth texture that contradicts the 'no stylization' request.
Verdict: Gemini 3 Pro Image Preview captures the requested 'candid street photo' look with remarkable authenticity, featuring realistic skin textures and a perfectly composed (yet intentionally imperfect) urban scene. In contrast, Stable Diffusion 3.5 Large suffers from significant anatomical errors in the hands and structural issues with the bicycle, looking much more like a digital painting than a real photograph.
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
Nano Banana Pro
- + Excellent adherence to all prompt details including beads in hair and leather straps.
- + Superior lighting with realistic torchlight reflections and orange bokeh sparks.
- + High-quality skin texture with convincing dirt and subtle scarring.
- − The torch in the foreground is a bit blurry and takes up significant space.
Stable Diffusion 3.5 Large
- + Intricate engraving patterns on the armor plates.
- + Good character expression and lifelike eyes.
- + Detailed chainmail and cloth underlayer.
- − Missed the request for beads in the hair braids.
- − The lighting feels more like daylight than flickering torchlight.
- − Less bokeh effect and fewer sparks than requested.
Verdict: Gemini 3 Pro yielded a more atmospheric and accurate result, successfully incorporating every detail including the hair beads and the specific warm torchlight lighting. Stable Diffusion 3.5 Large produced high-quality armor engravings but failed on several prompt specificities such as the beads and the intended lighting mood.
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
Nano Banana Pro
- + Excellent layout that perfectly mimics a real restaurant menu.
- + High-quality, appetizing food photography that is logically arranged.
- + Text is highly legible with a clear hierarchy and relatively fewer spelling errors.
- − Repeated item names (Bruschetta and Margherita Pizza used for every line).
- − Some minor gibberish in the smaller description text.
Stable Diffusion 3.5 Large
- + Creative use of a wide grid of food photos.
- + Strong, bold typography for the main header.
- − The layout is less practical for a real menu with poor text legibility.
- − The text contains significant 'AI gibberish' and spelling errors (e.g., 'MAIMAES', 'APPETIZRS').
- − Does not follow the request for specific sections as effectively as the other model.
Verdict: Gemini 3 Pro Image Preview is the clear winner as it produces a professional, functional menu layout that closely follows all prompt instructions, including specific sections and a clean white background. Stable Diffusion 3.5 Large creates a more abstract design with significant text corruption and a cluttered grid that is less suitable for a casual dining menu.
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
Nano Banana Pro
- + Excellent text rendering and layout following the spatial instructions.
- + Superior material realism with believable textures for the fish and rice.
- + Clean, minimalist composition that perfectly matches the 'diorama' and 'isometric' request.
- − The lighting is a bit flat compared to the PBR request, though it remains professional.
Stable Diffusion 3.5 Large
- + Captures the '3D cartoon' style effectively with vibrant colors.
- + Good use of 3D modeling aesthetics for the base and background elements.
- − Failed to place the text at the top-center as requested, putting it on a small flag instead.
- − The sushi models look more like plastic toys than the requested refined PBR materials.
- − The composition feels more cluttered and less 'ultra-clean' than the prompt specified.
Verdict: Gemini 3 Pro Image Preview followed the prompt with much higher precision, correctly placing the text at the top-center and utilizing a cleaner isometric layout. While Stable Diffusion 3.5 Large interpreted the 'cartoon' aspect well, it ignored the specific text placement instructions and the textures look significantly more artificial.
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
Nano Banana Pro
- + Excellent clarity and sharpness across all four animals
- + Vibrant colors and highly detailed fur textures
- + Perfect adherence to the list of animals, correctly identifying all four types
- − Has a slightly more 'digital' or CGI-rendered look rather than true photorealism
Stable Diffusion 3.5 Large
- + Beautiful soft lighting and bokeh effect that feels more like a professional photograph
- + Great sense of motion and dynamic energy in the composition
- − The cat and fox look very similar, lacking distinct features for the kitten
- − A butterfly is awkwardly merged with the rabbit's ear
- − Slight lack of fine detail in the background and foreground elements
Verdict: Gemini 3 Pro Image Preview provides a much clearer and more accurate representation of the four distinct animals requested, with sharp details and vibrant colors. Stable Diffusion 3.5 Large offers more atmospheric lighting and a photographic feel, but suffers from anatomical errors, such as a butterfly growing out of a rabbit's ear, and less distinction between the kitten and the fox kit.
Victorian Greenhouse Oasis
Text-to-Image“Hyper-photorealistic interior of a lush Victorian glass greenhouse filled with exotic tropical plants, vibrant blooming orchids, tall ferns, colorful butterflies in flight, sunlight filtering through ornate glass roof creating realistic caustics and dew on leaves, intricate iron framework visible, misty atmosphere, 8K masterpiece.”
AI Judge Analysis
Nano Banana Pro
- + Excellent density of flora including clearly identifiable orchids, ferns, and bromeliads.
- + Very intricate Victorian ironwork with realistic moss and vine growth.
- + Captures the 'misty atmosphere' and 'dew on leaves' with high clarity and detail.
- − Several butterflies appear as flat icons rather than 3D creatures in flight.
- − The sheer number of butterflies feels slightly unnatural and cluttered.
Stable Diffusion 3.5 Large
- + Beautiful lighting and god-rays that create a strong sense of depth and atmosphere.
- + The architecture feels more grand and structurally coherent than a traditional greenhouse.
- + Butterflies are fewer but generally better integrated into the lighting of the scene.
- − The plant variety is lower, lacking the dense 'lush' carpet feeling requested.
- − The 'dew on leaves' and 'caustics' mentioned in the prompt are less visible compared to the other model.
- − Architecture leans more Gothic Revival than strictly Victorian glasshouse style.
Verdict: Gemini 3 Pro Image Preview provides a much more literal and detailed interpretation of the prompt, excelling in the specific types of plants (orchids, ferns) and the presence of dew and mist. While Stable Diffusion 3.5 Large offers more dramatic lighting and a beautiful composition, it lacks the botanical density and the specific textures requested in the prompt. Gemini is the winner for its superior adherence to the 'lush' and 'detailed' requirements.
Heroic Super Hero Portrait
Text-to-Image“Hyper-photorealistic full-body portrait of a female superhero standing triumphantly on a New York skyscraper rooftop at golden sunset, wearing a classic modest superhero costume with flowing cape, chest emblem, gloves, and boots in red and blue colors, practical design, short hair, strong determined heroic expression looking into the distance, powerful confident stance with hands on hips and cape billowing dramatically in the wind, detailed urban cityscape background, warm natural sunlight with sharp shadows and fabric highlights, ultra-sharp textures on suit, hair, and concrete, 8K masterpiece, empowering family-friendly style.”
AI Judge Analysis
Nano Banana Pro
- + Excellent photorealism with naturalistic lighting and skin textures.
- + Stronger cinematic composition with a clear foreground rooftop and atmospheric dust.
- + Better adherence to the 'practical design' prompt with appropriate footwear and armor textures.
- − Missed the 'hands on hips' instruction, instead showing arms at the side.
- − The cape looks slightly stiff despite the wind effect.
Stable Diffusion 3.5 Large
- + Vibrant colors and a very clear, detailed superhero emblem.
- + Accurately represents the 'short hair' and 'triumphant' expression.
- − Failed the 'hands on hips' instruction.
- − The character looks superimposed onto the background, lacking realistic integration and shadows.
- − Suit design looks less practical due to high-fashion stiletto boots and overly shiny materials.
Verdict: Gemini 3 Pro Image Preview produces a significantly more realistic and grounded image with superior atmospheric depth and lighting. While both models failed to place the character's hands on her hips, Stable Diffusion 3.5 Large suffers from a 'pasted-on' look and includes non-practical high-heeled boots that contradict the prompt's request for a practical design.
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
Nano Banana Pro
- + Perfect text rendering for 'Caffè Florian' including the grave accent.
- + Excellent hand-drawn etch style that fits the vintage aesthetic.
- + Clean, professional composition with a balanced banner.
Stable Diffusion 3.5 Large
- + Follows the color palette and minimalist prompt well.
- + Includes decorative corner accents that enhance the vintage feel.
- − Spelling error in the main title ('Cafféé' instead of 'Caffè').
- − The cloche graphic is poorly constructed, appearing to float disjointedly above a strange flame/steam element.
- − The layout is vertically stretched and less cohesive as a logo.
Verdict: Gemini 3 Pro Image Preview is much more successful, delivering a high-quality vector-style emblem with perfect typography and a charming hand-etched illustration style. Stable Diffusion 3.5 Large fails on text accuracy and creates a confusing, disjointed cloche graphic that lacks the professional finish of a real logo.
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
Nano Banana Pro
- + Perfectly follows the requested 6-step structure and narrative flow.
- + Excellent text rendering for headers, labels, and names.
- + Consistent flat-vector style with professional iconography.
- − The 'Descent' icon is slightly cluttered compared to the other clean vectors.
- − Missing the NASA red in the text, though present in the rocket illustration.
Stable Diffusion 3.5 Large
- + Captures the NASA-inspired color palette effectively.
- + Includes complex textured elements for the lunar surface.
- − Failed to follow the requested 6-step infographic structure.
- − Text is mostly illegible gibberish and 'Lannch' is misspelled.
- − Inaccurate imagery including a Space Shuttle-style orbiter instead of Saturn V.
Verdict: Gemini 3 Pro Image Preview is the clear winner as it perfectly adheres to the complex infographic structure requested in the prompt, rendering all six steps with legible text and appropriate icons. Stable Diffusion 3.5 Large failed to follow the logical sequence, produced illegible text, and incorrectly used a Space Shuttle wing design for an Apollo 11 mission prompt.
Nano Banana Pro
Gemini 3 Pro with image generation capabilities. Combines advanced reasoning with the ability to generate and edit images.
Stable Diffusion 3.5 Large
Stability AI's 8.1-billion parameter Multimodal Diffusion Transformer (MMDiT) text-to-image model featuring improved image quality, typography, complex prompt understanding, and resource-efficiency