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Nano Banana Google OmniGen v2 VectorSpaceLab

Settled by community votes across 14 shared challenges, with an AI judge weighing in on each.

Nano Banana

23.9 arena score

#21 of 62 in Text-to-Image

Skill signature · Text-to-Image

OmniGen v2

16.8 arena score

#57 of 62 in Text-to-Image

Vote tally

Where the votes landed

Nano Banana

0%

win rate

Ties

0%

OmniGen v2

0%

win rate

Shared challenges 14

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.”

Nano Banana
OmniGen v2

AI Judge Analysis

Nano Banana

  • + Excellent atmospheric lighting with realistic dust motes and shadows.
  • + Sophisticated textures on the book spine and wooden table.
  • The blue sphere is floating unnaturally in the center of the cube.
  • The cube structure lacks a defined top surface under the book.

OmniGen v2

  • + Accurate placement of all elements, including the sphere resting at the bottom.
  • + Clear visibility of the plant through the glass as requested.
  • + Clean, modern aesthetic with sharp details.
  • The texture of the table is somewhat generic compared to Image A.
  • The reflection on the blue sphere is slightly inconsistent with the window light.

Verdict: Nano Banana excels in artistic lighting and texture, but OmniGen v2 provides a much more physically grounded and accurate interpretation of the spatial requirements in the prompt. While Nano Banana's sphere floats magically, OmniGen v2 correctly places the sphere inside the cube and ensures the plant is visible through the glass panels.

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.”

Nano Banana
OmniGen v2

AI Judge Analysis

Nano Banana

  • + Excellent adherence to the 'candid street photo' and 'imperfect framing' request
  • + Realistic wet pavement reflections and rainy atmosphere
  • + High detail in the mechanical parts of the bicycle and clothing texture
  • Lack of noticeable motion blur from passing cars
  • The bicycle kickstand appears to be floating slightly above the ground

OmniGen v2

  • + Strong reflections on the wet asphalt
  • + Clear subject matter with a vibrant red bicycle
  • Looks heavily AI-stylized and lacks the requested 'no stylization' or 'candid' feel
  • Anatomical issues with the man's legs merging/clashing with the bicycle frame
  • The rain effect looks like a simple linear overlay rather than environmental depth

Verdict: Nano Banana followed the prompt much more effectively, capturing the cinematic, non-stylized street photography aesthetic with realistic lighting and 'imperfect' framing. OmniGen v2 failed to look like a candid photo, appearing more like a rendered 3D illustration with significant anatomical errors where the man's legs interact with the bike.

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.”

Nano Banana
OmniGen v2

AI Judge Analysis

Nano Banana

  • + Excellent depiction of weathered plate armor with intricate engravings
  • + Strong adherence to the battle-worn skin and scars prompt
  • + High level of detail in leather straps and the cloth underlayer textures
  • The beads in the hair are metallic bands rather than the small decorative beads often associated with the style

OmniGen v2

  • + Successfully included specific small beads in the braided hair
  • + Good lighting contrast against the face
  • + Clean, cinematic shallow depth of field
  • The armor looks polished and clean rather than battle-worn
  • The face lacks the requested scarring and looks too pristine for the prompt
  • Lower overall level of texture detail compared to the other model

Verdict: Nano Banana followed the 'battle-worn' prompt more effectively, capturing the gritty texture of the armor and scars on the character's face with high realism. OmniGen v2 produced a cleaner, more youthful portrait that missed most of the weathering instructions, although it did include more distinct beads in the hair.

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.”

Nano Banana
OmniGen v2

AI Judge Analysis

Nano Banana

  • + Exceptional text rendering with almost perfect spelling in both headings and items.
  • + Balanced 4x2 grid with high-quality, realistic food photography.
  • + Clean, professional layout that perfectly matches the 'modern minimalist' prompt.
  • Minor typo in 'APPETIERS' (missing the second T).
  • Food images include pancakes and burgers which don't strictly align with the 'Pizza' specialty mentioned.

OmniGen v2

  • + Creative use of colorful geometric backgrounds behind food items.
  • + Good variety of layout elements across a two-page spread style.
  • Poor text rendering with numerous spelling errors like 'RESTAURATED MENTS' and 'PIZZZZAN'.
  • The menu items are representational scribbles rather than legible text.
  • Layout feels cluttered and less professional compared to a real menu.

Verdict: Nano Banana is the clear winner as it produces a functional, professional-grade menu design with legible text and clean formatting. While OmniGen v2 has interesting color accents, it fails significantly on text accuracy and presents a disjointed layout that does not meet the minimalist requirement as well as Nano Banana.

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.”

Nano Banana
OmniGen v2

AI Judge Analysis

Nano Banana

  • + Perfectly executes the 'exploded burger' concept with mid-air suspension of all components.
  • + Superior photorealistic detail in the texture of the meat, lettuce, and bun.
  • + All requested text elements are present, correctly spelled, and include the fiery glow effect.
  • The glowing starburst around the price is slightly less integrated with the overall lighting than the main title.

OmniGen v2

  • + Clean, bold graphic design suitable for a commercial poster.
  • + Integrated the title and price starburst with vibrant light effects.
  • Fails the 'exploded burger' instruction, showing a static, stacked burger instead.
  • Text rendering is flawed, with 'TIME' appearing cut off or poorly spaced in the secondary message.
  • Less photorealistic, appearing more like a rendered illustration or CGI.

Verdict: Nano Banana is the clear winner as it followed every instruction, specifically the complex 'exploded burger' requirement and the inclusion of the Euro symbol in the price. OmniGen v2 failed the central core of the prompt (the mid-air suspension) and had significant text rendering errors.

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.”

Nano Banana
OmniGen v2

AI Judge Analysis

Nano Banana

  • + Excellent text rendering with near-perfect spelling and legibility.
  • + Realistic cafe environment with atmospheric lighting and depth of field.
  • + Followed handwriting instructions with believable chalk texture and slight variations.
  • The title is in print-style handwriting rather than the requested 'elegant cursive'.
  • The date has a small comma after the year which was not in the prompt.

OmniGen v2

  • + Successfully captured a front-facing view of the chalkboard.
  • + Included more of the requested menu items even with limited prompt text.
  • Severe spelling errors such as 'SPECALS', 'Lemont', and 'Musonhom'.
  • Text is cluttered, overlapping, and lacks the requested realistic chalk texture.
  • Composition is flat and lacks the 'cozy café' environmental context beyond the board itself.

Verdict: Nano Banana is the clear winner as it produced a highly realistic, professional-looking image with exceptional text accuracy and a beautiful environmental composition. OmniGen v2 struggled significantly with typography, resulting in numerous spelling errors and a messy layout that failed to capture the requested chalk aesthetic.

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.”

Nano Banana
OmniGen v2

AI Judge Analysis

Nano Banana

  • + Excellent photorealistic lighting and texture on the capybara's fur.
  • + Consistent placement of the passenger in the back seat as requested.
  • + Realistic cinematic depth of field with blurred city lights.

OmniGen v2

  • + Successfully included a yellow taxi cap with a logo.
  • + Clearer view of the passenger's face and activity.
  • Failed the primary spatial prompt by placing the human in the driver's seat and the capybara in the passenger's seat.
  • The capybara's body turns into human hands on the steering wheel.
  • The composition looks more like a digital illustration than a photorealistic scene.

Verdict: Nano Banana followed every instruction, correctly placing the capybara in the driver's seat and the human in the back, while maintaining a high level of photorealism. OmniGen v2 failed significantly on spatial logic, rendering human hands for the capybara and placing the human passenger behind the steering wheel.

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.”

Nano Banana
OmniGen v2

AI Judge Analysis

Nano Banana

  • + Excellent text rendering with no spelling errors.
  • + Sophisticated thorn and web border design.
  • + High visual clarity and cinematic lighting.
  • The parchment texture is slightly less weathered than requested.

OmniGen v2

  • + Good adherence to the requested parchment style with burnt edges.
  • + Vibrant color palette and high contrast.
  • Numerous spelling errors including 'FRIGTS' and 'ARCAS'.
  • Lower visual quality with artifacts in the tree silhouettes.
  • The layout of the bottom text is cluttered and repetitive.

Verdict: Nano Banana is the clear winner as it successfully rendered all requested text including the specific location and date without any typos. OmniGen v2 struggled significantly with text legibility and coherence, resulting in many spelling errors and a messy layout. Nano Banana also provided a much more intricate border of thorns and webs as requested.

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.”

Nano Banana
OmniGen v2

AI Judge Analysis

Nano Banana

  • + Excellent adherence to all text requirements including 'JAPAN', 'SUSHI', and the flag icon.
  • + Higher complexity of models with various sushi types like nigiri, maki, and tamago.
  • + Superior textures that convincingly look like 3D rendered PBR materials.
  • The font for 'SUSHI' is slightly less stylized than the main header.

OmniGen v2

  • + Effective use of 3D drop shadows on the text.
  • + Clean, vibrant cartoon aesthetic.
  • Failed to render the correct flag of Japan, showing a generic yellow/red block instead.
  • Much simpler composition with fewer sushi elements.
  • The sushi models look slightly more generic and less like high-quality 3D assets.

Verdict: Nano Banana followed every instruction perfectly, including the specific text and the Japanese flag, while providing a rich variety of sushi types. OmniGen v2 failed on the flag icon and produced a much simpler scene that lacked the 'refined textures' requested. Nano Banana is the clear winner for its superior prompt adherence and visual detail.

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.”

Nano Banana
OmniGen v2

AI Judge Analysis

Nano Banana

  • + Excellent adherence to the prompt by including all four distinct animals.
  • + Highly detailed fur texture and realistic lighting with clear 'god rays'.
  • + Dynamic composition showing the animals actually tumbling and interacting in a lush environment.
  • The fox looks slightly more like a dog-fox hybrid, but is still clearly identifiable.

OmniGen v2

  • + Bright, cheerful colors that match the 'joyful' vibe of the prompt.
  • + Center-focused composition with clear subjects.
  • Failed to include the baby bunny, only showing three animals.
  • The style is more cartoonish/3D render than the requested 'hyper-photorealistic'.
  • The animals' anatomy is overly simplified and lacks the requested ultra-detailed fur.

Verdict: Nano Banana followed the prompt perfectly, including all four specific animals and delivering a high level of photorealistic detail and atmosphere. OmniGen v2 missed one of the requested animals (the bunny) and produced a much more digital, illustrative image that lacked the 'masterpiece' quality and realism requested.

Studio Ghibli Anime Style

Editing
Edit instruction

“Transform this photo into a Studio Ghibli–inspired illustration. Use soft pastel colors, hand-painted textures, gentle lighting, dreamy backgrounds, and a warm, nostalgic mood”

Source
Nano Banana
OmniGen v2

AI Judge Analysis

Nano Banana

  • + Excellent preservation of the original image's composition and subjects.
  • Failed to apply the requested artistic style transform, resulting in almost no visual change.
  • Does not exhibit Ghibli-inspired textures, colors, or line work.

OmniGen v2

  • + Successfully transformed the image into a stylized anime illustration.
  • + Captures the Ghibli-esque warm colors, soft lighting, and clean line work.
  • + Maintains the core narrative pose and character outfits of the source image.
  • The facial expressions are significantly altered, losing the specific 'shocked' vs 'distracted' nuance of the original meme.

Verdict: Nano Banana failed to complete the editing task, providing what is essentially the original image with negligible changes. OmniGen v2 successfully performed a creative style transfer, reimagining the scene in a clear anime aesthetic that aligns with the Ghibli request while maintaining the identifiable composition of the source.

Golden Hour Stroll

Image Editing
Edit instruction

“Add dynamic motion to this photo: make hair blow in the wind, add leaves flying, energetic and lively feel.”

Before After
Nano Banana
Before After
OmniGen v2

AI Judge Analysis

Nano Banana

  • + Excellent preservation of the original subjects' faces and textures.
  • + Highly realistic integration of falling leaves with varied shapes and colors.
  • + Authentic hair motion that matches the source image's lighting and style.

OmniGen v2

  • + Dynamic hair flow that effectively conveys high-speed wind.
  • + Clean, vibrant aesthetic with high saturation.
  • Significant loss of detail in the dog's fur, looking smoother and more 'AI-plastic' than the source.
  • Leaf elements appear as flat, repetitive 2D shapes rather than integrated objects.
  • The background and subjects underwent a stylistic shift away from the source photo's realism.

Verdict: Nano Banana is the clear winner as it successfully adds the requested motion effects while maintaining the integrity and photographic quality of the source image. OmniGen v2 significantly smooths over textures, particularly on the dog and the environment, and uses very simplistic leaf graphics that look out of place.

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.”

Nano Banana
OmniGen v2

AI Judge Analysis

Nano Banana

  • + Excellent typography with correct spelling and accents
  • + Elegant vector emblem design that feels genuinely vintage
  • + High attention to detail in the ornamental filigree and banner
  • The 'steam' is interpreted as abstract swirls rather than distinct steam lines
  • The cloche handle is slightly off-center

OmniGen v2

  • + Clear literal interpretation of the steam element
  • + Bold minimalist composition
  • + Good color palette adherence
  • Spelling error in the main text ('CAFFFLORIN')
  • Lower quality rendering of the banner and text alignment
  • The cloche illustration is very basic compared to the requested vintage style

Verdict: Nano Banana is the clear winner as it correctly spells the brand name and provides a sophisticated, professional-grade vector logo design. OmniGen v2 fails on basic text accuracy and lacks the intricate 'vintage' detail requested in the prompt.

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.”

Nano Banana
OmniGen v2

AI Judge Analysis

Nano Banana

  • + Excellent adherence to the infographic structure and layout requested.
  • + Text is highly legible and remarkably accurate for the mission details.
  • + Clean and professional vector aesthetic that follows the NASA color palette perfectly.
  • Skipped step 5 (Descent) in the sequence, jumping from 4 to 6.
  • Minor typo in 'Armstrong' name ('Armsrong').

OmniGen v2

  • + Successfully used the requested color palette.
  • + Achieved a modern, clean flat-vector style for the icons.
  • Failed to follow the mission name, displaying 'APOLO 17' instead of 'Apollo 11'.
  • Text across the entire image contains significant spelling errors and gibberish.
  • The infographic structure does not follow the requested 6-step logical flow.

Verdict: Nano Banana is the clear winner as it produces a coherent, professional, and largely accurate infographic that closely follows the complex multi-step prompt. While it skipped one step in the numbering sequence, it remained faithful to the Apollo 11 theme, whereas OmniGen v2 failed on text accuracy, numbering, and mission identity.

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