FLUX.1 Kontext [pro] Black Forest Labs vs Stable Diffusion 3.5 Large Stability AI

FLUX.1 Kontext [pro]

• + Perfect adherence to object placement instructions with the book on top and sphere inside.
• + Extremely realistic wood texture and glass refraction.
• + Photorealistic soft window lighting that accurately follows the leftward direction.

• − The blue sphere has a slightly fuzzy/felt texture rather than being a smooth geometric solid.

Stable Diffusion 3.5 Large

• + High-quality glass material with realistic smudges and internal reflections.
• + Bright, high-contrast lighting with clear shadows.

• − Failed the spatial reasoning of the prompt by placing the book inside the cube and the sphere on top of the book.
• − The plant is mostly above/beside the cube rather than being clearly visible through the glass.

FLUX.1 Kontext [pro]

• + Excellent skin texture and facial details
• + Strong sense of rain atmosphere with realistic water droplets
• + Captures the candid feel and shallow depth of field perfectly

• − The subject is riding the bike rather than actively repairing it as requested
• − Minimal motion blur on the background vehicles

Stable Diffusion 3.5 Large

• + Shows the subject actively engaged in repairing the bike
• + Better use of the red color in the bicycle
• + Good composition that uses the full street background

• − The man's proportions are slightly distorted (hunched posture looks unnatural)
• − Face and hair lack the fine detail and realism seen in Model A
• − Rain effect looks more like post-process streaks than an environmental interaction

FLUX.1 Kontext [pro]

• + Excellent photorealistic skin texture and lifelike eyes
• + Beautifully subtle lighting and bokeh effects
• + High-quality material textures on the leather and fabric

• − The braids are very simple and lack the requested beads
• − Lower contrast on the scars and dirt makes them less prominent

Stable Diffusion 3.5 Large

• + Complex braided hairstyle that captures the requested 'battle-worn' aesthetic well
• + Very intricate engraving on the plate armor
• + Dynamic lighting and clear presence of dirt and scars

• − Overall image has a slightly AI-sharpened, less organic look than Model A
• − Failed to include beads in the hair braids despite the prompt

FLUX.1 Kontext [pro]

• + Excellent font choice with bold sans-serif headers and consistent alignment.
• + Matches the specific section requests for Appetizers, Pizza, and Mains perfectly.
• + Clear, professional layout that feels like a functional menu.

• − The placeholder text for dishes is gibberish.
• − The food photos are slightly repetitive in content compared to the labels (e.g., pizza photo next to appetizers).

Stable Diffusion 3.5 Large

• + Strong visual grid of food photos that frames the central content.
• + High-quality, vibrant food photography with good variety.
• + Captures the 'modern minimalist' aesthetic well.

• − Poor text legibility with significant artifacts in smaller fonts.
• − Mispelled section headers (Appetizrs, Maimaes) and incorrect section categories.
• − The layout is less practical for a real restaurant menu due to extreme verticality.

FLUX.1 Kontext [pro]

• + Perfectly renders all requested textual elements with the specified fiery glow.
• + Excellent photorealistic textures on the brioche bun and melted cheese.
• + Strong adherence to the exploded layout with clearly suspended components.

• − Repeats the price tag twice, creating some redundancy in the composition.
• − The 'starburst' for the price tag is more of a general glow than a graphic shape.

Stable Diffusion 3.5 Large

• + Vibrant lighting with high-contrast flames and glowing embers at the base.
• + Detailed rendering of the meat texture and fresh vegetable ingredients.

• − Completely failed to include any of the requested text elements.
• − The burger is mostly stacked rather than showing a 'dynamic, exploded' view.
• − Overall layout is less like a professional advertisement than Image A.

FLUX.1 Kontext [pro]

• + Excellent text rendering with highly accurate spelling and adherence to the specific prompt items.
• + Realistic chalk texture and natural-looking handwriting variations as requested.
• + Perfectly captures the date requested (April 30, 2026).

• − The final lines at the bottom contain minor typos ('ous', 'tree' instead of 'free').
• − The cursive requested for the title is more of a print-italic than true elegant cursive.

Stable Diffusion 3.5 Large

• + Strong composition showing a full cozy café environment with nice lighting and depth.
• + Good chalk aesthetics with realistic dust and shading on the board.

• − Garbled and incorrect text rendering throughout the menu items.
• − Failed to follow the specific date (rendered 2024 instead of 2026).
• − The font style appears somewhat digital/uniform in the header rather than natural handwriting.

FLUX.1 Kontext [pro]

• + Perfectly adheres to the complex spatial instruction of having the horse on top of the astronaut.
• + High degree of realism in the textures of the space suit and horse hide.
• + Includes clever surreal details like the astronaut having hooves for feet.

• − The transition area where the horse is mounted to the astronaut's back is a bit anatomically messy.
• − The small astronaut-like figure on the horse's back adds confusion to the hierarchy.

Stable Diffusion 3.5 Large

• + High visual appeal with cinematic lighting and a vibrant space background.
• + Clear and coherent composition of an astronaut on a horse.

• − Completely failed the negative constraint/spatial instruction to have the horse on top.
• − The horse's muzzle has some minor distortion.

FLUX.1 Kontext [pro]

• + Excellent photorealism with cinematic lighting and realistic fur textures.
• + Captures the woman in the back seat as requested by the prompt.
• + Consistent focus and depth of field that feels like a professional photograph.

• − The capybara only has one paw visible on the steering wheel instead of both.
• − The human character has a slight distortion on her hand/phone area.

Stable Diffusion 3.5 Large

• + Vibrant colors and high-contrast night lighting.
• + Creative clothing choice for the capybara.
• + Detailed car interior with clear bokeh in the background.

• − Completely missed the 'human businesswoman in the back seat' part of the prompt.
• − The capybara's anatomy is less realistic, appearing more like an anthropomorphic caricature with human-like legs.
• − The 'paws on the steering wheel' are somewhat loosely rendered.

FLUX.1 Kontext [pro]

• + Excellent text rendering with correct spelling for the invitation title and specific event details.
• + Sophisticated cinematic lighting on the jack-o-lantern and professional gothic typography.
• + Cohesive and elegant composition that feels like a polished invitation.

• − Includes some unnecessary hallucinated text 'Your: Vorkleat: Iight & Spans' before the event details.

Stable Diffusion 3.5 Large

• + Great 'dark parchment' texture and tattered border effect.
• + Dynamic and spooky composition with prominent twisted trees.
• + Legible banner text that matches the requested phrase almost perfectly.

• − Completely failed to include the specific event details (Date, Time, Location) requested.
• − The font for the title is basic sans-serif/serif and lacks the requested 'elegant gothic' style.
• − The jack-o-lantern is small and off-center rather than being the 'central' element.

FLUX.1 Kontext [pro]

• + Excellent typography integrated naturally into the scene composition.
• + High-quality 3D miniature Aesthetic with consistent lighting and PBR materials.
• + Perfectly follows the 'top-center' text layout requirement.

• − The rice grains look more like white bubbles than realistic rice.

Stable Diffusion 3.5 Large

• + High level of complex detail in the variety of sushi pieces.
• + Good material texture on the wooden diorama base and chopsticks.
• + Accurate sushi rice textures.

• − Failed to place text at 'top-center', instead putting it on a small sign.
• − Scene is cluttered and ignores the 'minimal garnish' instruction.
• − The flag icon is a physical prop rather than a graphic element as implied by the prompt.

FLUX.1 Kontext [pro]

• + Excellent fur texture and sharpness across all animals.
• + Warm, cohesive color palette with beautiful rim lighting.
• + Accurate counts for the specific animals requested.

• − The animals are sitting rather than 'playfully chasing and tumbling'.
• − The bunny looks more like a third kitten with long ears.

Stable Diffusion 3.5 Large

• + Successfully captures the dynamic 'chasing' motion requested in the prompt.
• + Each animal species is clearly distinct and identifiable.
• + Dynamic composition with butterflies in the foreground and background.

• − The fox kit has a slightly distorted, flat face.
• − Noticeable artifacts around the retriever's front paw.
• − The lighting is somewhat hazy and lacks the sharp 8K detail seen in the competitor.

FLUX.1 Kontext [pro]

• + Excellent typography with clean, vintage serif fonts
• + Accurate spelling of the name and establishment date
• + Strong minimalist vector aesthetic that perfectly matches the 'emblem style' prompt

• − Simple steam illustration is a bit basic compared to the cloche detail
• − Includes a minor typo in 'EEST.' for 'EST.'

Stable Diffusion 3.5 Large

• + Elegant warm brown and cream color palette with nice textured background
• + Creative use of decorative flourishes and multiple steam elements

• − Misspelled the name as 'Cafféé Florian'
• − Layout feels more like a generic postcard or flyer than a clean, minimalist logo
• − The 'Est. 1720' text is tiny and disconnected from the main banner element

FLUX.1 Kontext [pro]

• + Legible and clean text rendering for the main title and most labels.
• + Accurate adherence to the navy, white, and muted red color palette.
• + Logical infographic layout with a clear numerical flow.

• − Nonsensical inclusion of Saturn-like rings on Earth and the Moon.
• − Incorrectly labels the 'Moon' icon as 'Earth' in the diagram sequence.

Stable Diffusion 3.5 Large

• + Sophisticated composition that feels like a vintage NASA technical poster.
• + High-quality vector aesthetic with clean lines and nice textures.
• + Stronger 'small supporting details' representation as requested in the prompt.

• − Illegible, garbled text for all labels and small supporting data.
• − Poor prompt adherence regarding the specific 6-step sequence, instead showing a jumbled layout.
• − Incorrectly includes a space shuttle-style orbiter which was not part of Apollo 11.