FLUX.2 [dev] Flash vs Nano Banana 2
Head-to-head across 6 challenges
FLUX.2 [dev] Flash
33.3%
win rate
Ties
0.0%
Nano Banana 2
66.7%
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
FLUX.2 [dev] Flash
- + Excellent photo-realistic lighting and shadow quality.
- + The glass cube has realistic thickness and optical distortions.
- + Natural looking materials and textures on the wooden table and book.
- − The plant is slightly less 'behind' the cube compared to the other model, partially overlapping the side.
Nano Banana 2
- + Perfect prompt adherence with the plant clearly positioned behind the cube.
- + Very legible and thematic text on the book spine.
- + Strong symmetry and centered composition.
- − The glass cube lacks thickness at the top edges, making the book look like it's floating or on a thin sheet.
- − The reflection of the sphere on the bottom of the cube is slightly detached/misaligned.
Verdict: Both models followed the complex spatial instructions perfectly. FLUX.2 [dev] Flash produced a more believable, high-quality photograph with realistic glass physics and lighting, whereas Nano Banana 2 succeeded in adding clever thematic text to the book but suffered from minor architectural flaws in the glass cube's construction.
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
FLUX.2 [dev] Flash
- + Excellent skin texture and realistic facial details
- + Accurate motion blur on the background vehicles
- + Effective use of shallow depth of field
- − The man's hands are mangled with anatomical errors in the fingers
- − The bike geometry is nonsensical, with the frame bar passing through the seat post
Nano Banana 2
- + Very authentic film-like aesthetic with realistic street signage
- + Stronger composition and environmental storytelling
- + The character's pose and tools feel more grounded in reality
- − The wrenches and bike chain have minor structural glitches
- − The motion blur on the background car is less pronounced than requested
Verdict: FLUX.2 [dev] Flash captures the technical requirements of the prompt very well, particularly the skin texture and motion blur, but suffers from severe structural failures in the hands and bicycle. Nano Banana 2 produces a much more convincing 'candid street photo' with superior atmosphere and composition, despite slightly less emphasis on the motion blur.
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
FLUX.2 [dev] Flash
- + Excellent realization of 'ornate engraved plate armor' with clean filigree.
- + Detailed hair with small colorful beads as requested.
- + Realistic skin texture and lifelike eyes.
- − The 'battle-worn' aspect is slightly clean, with scars looking more like superficial fresh cuts.
- − The bokeh sparks look a bit like floating flat embers rather than light artifacts.
Nano Banana 2
- + Strong 'battle-worn' aesthetic with convincing dirt and grime.
- + Intricate armor engravings featuring runes and heraldry.
- + Excellent textures on the cloth and leather underlayers.
- − The character's hand on the sword hilt has anatomical issues (stubby, poorly defined fingers).
- − The hair beads are less distinct compared to Model A.
Verdict: FLUX.2 [dev] Flash produces a cleaner, more technically polished image with better facial features and bead details. Nano Banana 2 captures the 'battle-worn' atmosphere and armor engravings more intensely, but is let down by significant anatomical issues with the character's hand.
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
FLUX.2 [dev] Flash
- + Perfectly follows the requested isometric 45° perspective and 'miniature 3D cartoon' style.
- + Excellent text rendering and placement according to the prompt.
- + Ultra-clean composition with high-quality PBR materials and soft textures.
- − The sushi construction is slightly surreal, featuring a roll style with nigiri-like toppings draped over it.
Nano Banana 2
- + High level of detail and variety in sushi types depicted.
- + Good adherence to the flag and text requirements.
- + Very realistic textures on the wood and ingredients.
- − Failed to follow the 'minimal garnish' instruction, including moss, rocks, and multiple plates.
- − Angle is slightly lower than the requested 45-degree isometric view.
- − The layout feels cluttered compared to the 'ultra-clean' request.
Verdict: FLUX.2 [dev] Flash followed the stylistic and compositional instructions much better, delivering a truly clean, isometric miniature scene that feels consistent with a 3D cartoon aesthetic. While Nano Banana 2 provided impressive detail and realism, it ignored the request for simplicity and a 'minimal' diorama, resulting in a cluttered composition.
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
FLUX.2 [dev] Flash
- + Excellent depiction of dew sparkles and golden god rays.
- + Captures the 'playful' and 'tumbling' aspect of the prompt well.
- + The fur texture on the kitten and fox is very fine and realistic.
- − Generated two rabbits instead of one, one of which has cat-like facial features.
- − The puppy's front paw has an anatomical deformity/extra digits.
Nano Banana 2
- + Accurately included exactly one of each animal requested.
- + Dynamic and balanced composition that feels like a group 'chase'.
- + Realistic lighting and high-quality fur details on all animals.
- − The fox's front right leg is slightly awkwardly posed/merged.
- − Dew sparkles are less prominent than in the competing image.
Verdict: Nano Banana 2 is the clear winner as it adhered perfectly to the animal count and species requested, whereas FLUX.2 [dev] Flash generated an extra hybrid rabbit-cat creature. Nano Banana 2 also better captured the action of 'chasing' while maintaining high visual fidelity and a beautiful morning atmosphere.
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
FLUX.2 [dev] Flash
- + Follows the requested layout of steps 1 through 6 more comprehensively.
- + Strong text rendering for main titles and labels.
- + Accurate depiction of the Lunar Module's gold-foil appearance.
- − Suffers from significant 'AI hallucination' text like 'Sataurr Iccon'.
- − Visual style is closer to 3D rendering than the requested flat-vector style.
- − Composition is quite cluttered with overlapping lines and duplicate labels.
Nano Banana 2
- + Perfectly captures the 'flat-vector' aesthetic with consistent iconography.
- + Excellent adherence to the limited NASA-inspired color palette.
- + Clean, professional typography and layout that looks like a real infographic.
- − Includes a fourth anonymous astronaut profile which is factually incorrect for Apollo 11.
- − Truncated the landing surface for a more minimal look, which might feel less informative.
- − The 'Translunar' icon is a bit abstract compared to the others.
Verdict: Nano Banana 2 followed the stylistic instructions much better, delivering a crisp, professional flat-vector design that perfectly matches the requested color palette. While FLUX.2 [dev] Flash included more detail on the lunar module and followed the 6-step list literally, it failed the requested art style by producing a busy, semi-realistic composition with garbled text artifacts. Nano Banana 2's output is highly usable as a graphic element despite adding a superfluous fourth crew member icon.
FLUX.2 [dev] Flash
Fast distilled version of Black Forest Labs' FLUX.2 [dev] optimized for speed and cost efficiency.
Nano Banana 2
Gemini 3.1 Flash with image generation capabilities. High-efficiency image generation model with support for text rendering, reference images, search grounding, and thinking mode. The efficient counterpart to Gemini 3 Pro Image.