FLUX.2 [klein] 9B Black Forest Labs vs Stable Diffusion 3.5 Large Stability AI

FLUX.2 [klein] 9B

• + Follows all spatial instructions perfectly, including the book on top and the sphere inside.
• + Excellent rendering of refraction and reflections in the glass cube.
• + Beautiful bokeh effect on the background plant and natural-looking window light.

• − The blue sphere appears slightly floating or fused with the glass base rather than resting naturally.
• − The shape of the cube is slightly rounded, resembling a vase more than a perfect geometric cube.

Stable Diffusion 3.5 Large

• + Sharp, precise geometric edges on the glass cube.
• + Clear, vibrant colors and high-resolution textures on the wooden table.

• − Failed the primary spatial prompt: the sphere is on top of the book, and the book is inside the cube.
• − The lighting direction is inconsistent with the 'light from the left' instruction, appearing more overhead/frontal.
• − The plant is mostly obscured by the sofa and not clearly visible through the glass as requested.

FLUX.2 [klein] 9B

• + Excellent skin texture and facial details
• + Accurate 50mm lens perspective with shallow depth of field
• + High level of realism in the reflections and wet pavement

• − Misses the motion blur requirement for passing cars
• − The bike geometry has some minor structural inconsistencies at the handlebars

Stable Diffusion 3.5 Large

• + Successfully incorporates motion blur in the background vehicle
• + Effective use of rain particles to create atmosphere
• + Includes a very red, distinct bicycle

• − Anatomical issues with the man's hands and arms
• − The facial features are less realistic and slightly muddy
• − Lighting feels a bit more artificial compared to the other model

FLUX.2 [klein] 9B

• + Excellent adherence to the 'beads in hair' prompt
• + Intricate textures on leather straps and gambeson
• + Strong use of warm torchlight and bokeh sparks

• − The symmetrical placement of torches in the background feels a bit artificial
• − Skin texture is slightly over-sharpened

Stable Diffusion 3.5 Large

• + Very realistic and natural facial expression
• + Exceptional intricate engraving on the plate armor
• + Good sense of depth with blurred background figures

• − Missed the 'small beads' in the hair braids entirely
• − The lighting is less 'warm torchlight' and more neutral daylight with some fire
• − Ornate armor patterns look a bit like stamped textures rather than custom engraving

FLUX.2 [klein] 9B

• + Successfully included all requested sections (Appetizers, Pizza, Mains).
• + Excellent use of bold sans-serif fonts that are highly legible.
• + Authentic grid layout that mimics a functional menu.

• − Text contains several spelling errors and nonsensical characters.
• − Food images are repetitive, mostly showing four variations of the same pizza.

Stable Diffusion 3.5 Large

• + Strong aesthetic composition with a unique side-grid approach.
• + High visual quality and vibrant colors in the food photography.
• + Professional minimalist vibe appropriate for a casual dining brand.

• − Failed to include the 'Pizza' section heading specifically requested.
• − The 'grid' format surrounds the text rather than being integrated within a standard menu layout.
• − Text is heavily garbled and difficult to read.

FLUX.2 [klein] 9B

• + Excellent typography with perfect adherence to the requested text and formatting.
• + Great implementation of the 'exploded' burger concept with suspended ingredients.
• + Strong commercial aesthetic with clear hierarchy and professional lighting.

• − The 'starburst' for the price is a bit jagged compared to typical graphic design standards.

Stable Diffusion 3.5 Large

• + Atmospheric lighting with realistic fire and charcoal elements.
• + High level of detail on the burger patties and melting cheese.

• − Failed to include any of the requested text elements.
• − The burger is not 'exploded' or separated as requested; it is a static stack.
• − Lack of dynamic motion in the composition.

FLUX.2 [klein] 9B

• + Excellent anatomical rendering of both horse and astronaut.
• + High contrast and vibrant color palette with clear celestial bodies.
• + Very sharp focus and clean textures on the astronaut's suit.

• − Failed the negative constraint; the astronaut is on top of the horse.
• − Includes nonsensical AI-generated text at the bottom.
• − Composition is a bit cluttered with too many small planets.

Stable Diffusion 3.5 Large

• + Atmospheric and cinematic lighting that blends the subjects into the environment.
• + Strong sense of motion with the gaseous trail following the horse.
• + Better handle on the 'surreal' aspect of the prompt through lighting and haze.

• − Failed the negative constraint; the astronaut is on top of the horse.
• − Lower level of detail on the astronaut's face and the horse's anatomy.
• − Image quality appears slightly grainy compared to Model A.

FLUX.2 [klein] 9B

• + Excellent adherence to the complex scene layout including the back seat passenger.
• + Highly realistic textures on the capybara fur and the woman's clothing.
• + Captures the requested 'bored' expression of the passenger perfectly.

• − The text on the driver's cap is slightly nonsensical ('NEW TALA').
• − Minor lighting inconsistency on the capybara's paws compared to the dashboard.

Stable Diffusion 3.5 Large

• + Vibrant colors and high contrast image quality.
• + Great detail on the capybara's whiskers and jacket.

• − Completely failed to include the businesswoman in the back seat.
• − The capybara's anatomy is distorted, with legs and jeans appearing human-like and awkward.
• − The composition is a side profile rather than the requested 'inside the taxi' view showing the passenger.

FLUX.2 [klein] 9B

• + Excellent typography with perfect spelling in a gothic font.
• + High-quality cinematic lighting with a clear central jack-o-lantern.
• + Precise adherence to the thorn and spiderweb border request.

• − The parchment texture is subtle, appearing more like a clean frame than weathered paper.

Stable Diffusion 3.5 Large

• + Strong vintage parchment aesthetic with torn edges.
• + Good use of vertical space for the scroll banner.
• + Detailed illustrative style for the trees and fence.

• − Failed to include the specific event details (Date, Time, Location) at the bottom.
• − The lighting is overly blown out around the moon, making the scene less moody.
• − Text rendering is inconsistent, with some artifacts in the bottom banner.

FLUX.2 [klein] 9B

• + Excellent typography rendering with clean, bold text precisely as requested.
• + Simple, elegant 3D miniature aesthetic with soft lighting.
• + Accurate isometric perspective and clean execution of a diorama base.

• − The flag icon is incorrect, resembling the flag of Yemen rather than Japan.
• − The sushi roll in the foreground has a confusing structural layout where the salmon sits atop a cut maki.

Stable Diffusion 3.5 Large

• + Correctly identifies the Japanese flag for the icon.
• + Highly detailed textures for the fish and rice that lean more towards 'realistic PBR'.
• + Good variety of sushi types on the diorama.

• − Failed to place the text directly on the background as a graphic element, placing it on a sign instead.
• − The scene is more cluttered than the 'minimal' request specified.
• − Minor artifacts on the chopsticks and garnish shapes.

FLUX.2 [klein] 9B

• + Excellent clarity and sharpness in the fur textures and butterfly details.
• + Rich, vibrant colors in the wildflower meadow.
• + Strong lighting effects with clear God rays and backlighting.

• − Failed to include the baby bunny requested in the prompt.
• − The kitten's eye anatomy is slightly distorted and unsettling.

Stable Diffusion 3.5 Large

• + Successfully included all four requested animals: puppy, kitten, bunny, and fox kit.
• + Better sense of action and 'tumbling' motion as requested.
• + Dreamy, cinematic bokeh and lighting that fits the 'wholesome vibe'.

• − The fox's face lacks anatomical detail and looks slightly blurry.
• − Butterflies are less detailed and simplified compared to the other model.

FLUX.2 [klein] 9B

• + Excellent typography with correct spelling and accent placement.
• + Clean vector emblem style with balanced composition.
• + Effective use of subtle paper texture on the background.

• − The cloche design is slightly bulky compared to traditional minimalist logos.

Stable Diffusion 3.5 Large

• + Elegant vintage aesthetic with corner ornaments.
• + Good color palette adherence following the warm brown and cream tones.

• − Incorrect spelling of 'Caffè' as 'Cafféé'.
• − The cloche is detached from the base in a physically impossible way.
• − Text is slightly cramped within the banner.

FLUX.2 [klein] 9B

• + Successfully followed the instructional step sequence with specific icons for launch, orbit, and landing.
• + Very high text legibility for headers, even with minor spelling errors.
• + Clean vector aesthetic with the requested NASA-inspired color palette.

• − Includes several typos in the labels such as 'AOILLO', 'EARDHT', and 'LANDINING'.
• − The flow between the steps is a bit disconnected/cluttered compared to a professional infographic.

Stable Diffusion 3.5 Large

• + Strong composition and artistic design that feels like an authentic retro poster.
• + Captures the high-contrast aesthetic and color palette perfectly.

• − Failed to provide the requested 6-step logical sequence.
• − Includes non-Apollo elements like a Space Shuttle shaped rocket and a ringed planet.
• − Text is completely illegible and nonsensical.