FLUX.2 [dev] Black Forest Labs vs Stable Diffusion 3.5 Large Stability AI

FLUX.2 [dev]

• + Perfect adherence to all spatial instructions
• + Realistic glass physics and refractions
• + High-quality photographic texture on the book and table

Stable Diffusion 3.5 Large

• + Crisp, sharp details on the glass edges
• + Vivid colors

• − Failed the spatial reasoning: the book is inside the cube instead of on top
• − The blue sphere appears to be floating unnaturally above the book
• − The plant is mostly above/beside the cube rather than behind it

FLUX.2 [dev]

• + Excellent motion blur from passing cars as requested
• + Highly realistic skin texture and facial features
• + Superior pavement reflections and wet weather atmosphere

• − The bicycle structure is mechanically confusing with overlapping wires and frames
• − The framing is a bit centered despite the 'imperfect framing' prompt

Stable Diffusion 3.5 Large

• + Accurate bicycle anatomy and silhouette
• + Effective shallow depth of field
• + Good color contrast between the red bike and the teal-toned background

• − Lacks the requested motion blur on the vehicles
• − The rain effect looks like a static overlay rather than a natural part of the scene
• − Skin texture is slightly smoothed and less 'natural' than Model A

FLUX.2 [dev]

• + Excellent adherence to the 'beads' requirement in the hair braids.
• + Very realistic lighting with clear torchlight reflections on the metal and skin.
• + Highly detailed and legible textures on the leather straps and metal engravings.

• − The facial scars look a bit like fresh paint or surface marks rather than deep, healed scars.
• − The hair logic where it transitions into thin braids is slightly messy.

Stable Diffusion 3.5 Large

• + Incredible detail on the chainmail and cloth underlayer texture.
• + The engraving on the armor is more intricate and fine-grained.
• + Very realistic facial skin texture and natural weathering effects.

• − Completely missed the requirement for 'small beads' in the hair.
• − The lighting is flatter and lacks the strong warm 'torchlight' glow requested.
• − The bokeh sparks are barely visible compared to the other model.

FLUX.2 [dev]

• + Excellent structural layout that accurately resembles a functional restaurant menu.
• + Clear section headers for Appetizers, Pizza, and Mains as requested.
• + Realistic food photography with appetizing lighting.

• − Text contains several gibberish words and spelling errors (e.g., 'PIZZAU').
• − The colorful accents are a bit repetitive and chunky.

Stable Diffusion 3.5 Large

• + Stronger adherence to the 'grid' aspect for the food photos.
• + Very bold, modern sans-serif typography that feels high-end.
• + Clean white background with excellent negative space.

• − The menu layout is less practical, feeling more like a poster than a multi-section menu.
• − Text legibility is low for the smaller items with many symbols/artifacts.
• − Mains section (MAIMAES) is misspelled.

FLUX.2 [dev]

• + Excellent text integration with flawless spelling and fiery glow effects.
• + Perfect adherence to the 'exploded' layout requested in the prompt.
• + Professional composition suitable for a commercial advertisement.

• − The burger ingredients look slightly more synthetic compared to the textures in Model B.
• − The lighting on the bottom bun is a bit flat.

Stable Diffusion 3.5 Large

• + High-quality photorealistic texture on the meat and charcoal.
• + Dynamic fire and ember effects integrated into the burger itself.

• − Completely failed to include any of the requested text elements.
• − Did not follow the instruction for an 'exploded' view with suspended components.
• − The burger is stacked rather than suspended in mid-air.

FLUX.2 [dev]

• + Excellent text rendering with near-perfect spelling and handwriting style.
• + Strong adherence to the specific date and menu items requested.
• + Realistic chalk texture including smudges and dust on the board.

• − The layout is a bit tight with text reaching the very edges of the board.

Stable Diffusion 3.5 Large

• + Features a beautiful, wide-angle composition of the café environment.
• + Follows the general aesthetic of a chalkboard menu board.

• − Numerous spelling errors including 'TODAAY' and 'Cholcalte Chip'.
• − Failed to follow the requested year, displaying 2024 instead of 2026.
• − The text is very messy and difficult to read compared to the other model.

FLUX.2 [dev]

• + Excellent photorealistic lighting and textures on both the space suit and the horse.
• + Very clean composition with clear separation between foreground and background assets.
• + High level of detail in the horse's anatomy and the mechanical parts of the astronaut's pack.

• − Failed the specific spatial instruction 'horse on top, not vice versa'.
• − The shadow on the clouds below does not match the horse's pose.

Stable Diffusion 3.5 Large

• + Beautiful cinematic atmosphere with a gritty, star-flecked texture.
• + Dynamic sense of motion with the horse galloping through cosmic dust.
• + The scale of the planet in the background adds a grand, surreal feel.

• − Failed the specific spatial instruction 'horse on top, not vice versa'.
• − The horse's face/muzzle area has slightly muddy details compared to Model A.

FLUX.2 [dev]

• + Excellent adherence to the full prompt, including the passenger and lighting.
• + Highly realistic textures for both the capybara's fur and the passenger's clothing.
• + Captures the requested 'bored' expression on the businesswoman perfectly.

• − The capybara's paws look slightly human-like in their structure.

Stable Diffusion 3.5 Large

• + Strong colors and sharp details on the capybara's clothing.
• + Creative and high-quality rendering of the capybara's face and whiskers.

• − Completely missed the businesswoman in the back seat.
• − The capybara only has one hand on the wheel instead of two as requested.
• − The perspective makes the capybara look unnaturally small or positioned poorly in the seat.

FLUX.2 [dev]

• + Perfect text rendering for all requested details, including date and location.
• + High-quality gothic aesthetic with a cohesive thorn and web border.
• + Excellent layout balance that follows all prompt instructions precisely.

• − The lighting in the background sky is a bit flat compared to the pumpkin.

Stable Diffusion 3.5 Large

• + Wonderful vintage parchment texture with burnt/torn edges.
• + Dynamic composition with a large moon and twisted tree silhouettes.
• + Good atmospheric lighting.

• − Failed to include the event details (date, time, location) at the bottom.
• − Text rendering on the scroll is messy and looks like handwriting rather than elegant gothic print.
• − The layout feels cramped at the bottom with the missing information.

FLUX.2 [dev]

• + Excellent adherence to the 45° isometric diorama layout
• + Perfect rendering of text and flag icon exactly as requested
• + Clean, soft, minimal 3D cartoon aesthetic

• − The sushi variety is slightly limited compared to the competitor's detail

Stable Diffusion 3.5 Large

• + Highly realistic and appetizing textures on the fish and rice
• + Complex and detailed compositions with vibrant colors

• − Failed the text placement and background requirement
• − The perspective is more of a standard 3/4 view rather than a true isometric diorama
• − Added unrequested objects like chopsticks and a small bowl

FLUX.2 [dev]

• + Excellent fur texture and realistic anatomy for all four animals.
• + Superior lighting with clear god rays and convincing dew sparkles on the grass.
• + Very high level of detail in the foreground flowers and animal eyes.

• − The animals are mostly sitting still rather than 'playfully chasing' and 'tumbling' as requested.
• − Generated two bunnies instead of just one.

Stable Diffusion 3.5 Large

• + Captures the 'playfully chasing' and 'tumbling' movement much better than the other image.
• + Includes one of each requested animal as specified in the count.
• + Strong bokeh effect creates a whimsical, commercial look.

• − The anatomy of the animals is slightly distorted, particularly the puppy's paws and the fox's face.
• − The 'kitten' looks more like a small fox or a hybrid, lacking clear tabby markings.
• − Lower overall texture detail compared to the competitor.

FLUX.2 [dev]

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

• − The steam icon is a bit small and generic.

Stable Diffusion 3.5 Large

• + Creative use of negative space for the steam effect.
• + Incorporates decorative corner elements for a vintage feel.
• + Clear resolution and adherence to the warm color palette.

• − Includes a spelling error in 'Cafféé'.
• − The cloche dome is floating and lacks structural coherence with its base.
• − The 'Est. 1720' text is outside of the banner.

FLUX.2 [dev]

• + Excellent adherence to the iconography requested for each step.
• + Legible typography for major headers and some labels.
• + Clean, professional vector aesthetic that matches the 'modern infographic' request.

• − Text labels are disorganized/redundant (e.g., repeating 'Saturn Icon' instead of just 'Launch').
• − The sequence is laid out in an unintuitive grid that doesn't flow clearly from 1 to 6.
• − Some minor spelling errors in labels like 'Tranquility' and 'Liaonides'.

Stable Diffusion 3.5 Large

• + Strong composition with a cohesive, complex technical layout.
• + Good use of the NASA-inspired color palette.
• + Includes a large, detailed lunar graphic that grounds the poster.

• − Text is largely unintelligible gibberish.
• − The rocket shown is a generic shuttle-style craft rather than a Saturn V.
• − Failed to create a clear step-by-step numbered/ordered infographic as requested.