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

FLUX.1 Kontext [dev]

• + Perfectly follows the spatial instruction of placing the red book on top of the cube.
• + Excellent material rendering with realistic light reflections on the glass and sphere surface.
• + Accurately depicts the soft window lighting from the left as requested.

• − The plant is behind the cube but its leaves could be slightly more 'partially visible through' the glass rather than just behind it.

Stable Diffusion 3.5 Large Turbo

• + High contrast and clean, sharp rendering of the scene elements.
• + Successfully places the plant behind the objects and creates a clear blue sphere.

• − Fails the spatial instruction by putting the red book inside the cube rather than on top of it.
• − The 'glass cube' has a black metal frame which was not requested.

FLUX.1 Kontext [dev]

• + Excellent handling of complex wet road reflections and lighting
• + Realistic skin textures and clothing fabrics
• + Higher adherence to the specific '50mm shallow depth of field' request

• − The man is appearing to sit/straddle the bike rather than actively 'repairing' it
• − The rain effect looks like static digital noise rather than falling droplets

Stable Diffusion 3.5 Large Turbo

• + Better logic for the 'repairing' action with the figure hunched over the handlebars
• + Good representation of the red bicycle frame

• − Significant anatomical issues with the man's head and hair blending into his jacket
• − The background cars and road lines are extremely distorted and low quality
• − Fails to capture the bokeh or cinematic depth of field requested

FLUX.1 Kontext [dev]

• + Excellent torchlight lighting effects with realistic warm rim lighting.
• + Subtle and sophisticated armor engraving texture.
• + Very lifelike, intense facial features and skin texture.

• − Failed to include the requested hair braids and beads.
• − Skin appears slightly clean for a battle-worn soldier.

Stable Diffusion 3.5 Large Turbo

• + Successfully included braided hair as requested.
• + Highly detailed engraving on the armor plate.
• + Good representation of dirt and scars on the skin.

• − Lighting is overly flat and bright, failing the torchlight requirement.
• − The background contains daylight green tones inconsistent with torchlight lighting.
• − Skin and hair textures have a slightly unnatural, waxy smoothing effect.

FLUX.1 Kontext [dev]

• + Excellent text integration and spelling
• + Accurate rendering of the price in a starburst sticker
• + Solid photorealistic textures on the lettuce and burger bun

• − Failed the 'exploded' requirement as the burger is fully assembled
• − Minor typo in the word 'ONLY' as it looks like 'LNHLY'

Stable Diffusion 3.5 Large Turbo

• + Strong sense of motion with fire and smoke trails
• + Creative lighting and embers
• + Good visual quality with high contrast

• − Completely ignored all required text elements
• − Failed the 'exploded burger' requirement; the burger is mostly assembled
• − Includes a strange artifacts like the vertical stick through the top bun

FLUX.1 Kontext [dev]

• + Excellent text rendering with very few spelling errors
• + Accurately represents the chalk texture and handwritten feel
• + Correctly included all requested menu items and prices

• − The date 'APRIL' is malformed and difficult to read
• − Some repetition in the text, e.g., 'Mushroom Mashroom' and 'with with'

Stable Diffusion 3.5 Large Turbo

• + Aesthetically pleasing café environment and composition
• + Consistent handwritten style across the board

• − Severe spelling hallucinations and garbled text across the entire menu
• − Failed to follow the specific menu item and pricing instructions
• − The text looks more like a digital font than actual chalk on a board

FLUX.1 Kontext [dev]

• + Successfully followed the difficult spatial reasoning of 'horse on top'
• + High clarity in the astronaut's face and suit details
• + Clean, minimalist composition with a cinematic lighting feel

• − The horse appears to be standing behind the astronaut rather than truly riding him
• − Some anatomical awkwardness in the horse's back legs

Stable Diffusion 3.5 Large Turbo

• + Classical aesthetic with vibrant colors
• + Strong sense of motion and scale against the planet background

• − Completely failed the negative constraint to put the horse on top
• − Anatomical errors in the horse's front legs and hoof shape
• − The earth in the background looks like a low-resolution texture

FLUX.1 Kontext [dev]

• + Excellent photorealism with convincing fur texture and human skin tones.
• + Captures the woman's bored expression and interaction with her phone perfectly.
• + Superior lighting and depth of field that feels like a real movie still.

• − The capybara only has one paw on the steering wheel instead of two as requested.
• − The capybara's head is shaped slightly more like a squirrel or generic rodent than a blocky-headed capybara.

Stable Diffusion 3.5 Large Turbo

• + Successfully placed both paws on the steering wheel as requested.
• + The capybara's facial structure is more biologically accurate to the species.
• + The 'TAXI' text on the hat is clear and legible.

• − Failed to show the woman looking at her phone; she is just looking forward.
• − The human character and background are significantly more blurred and less detailed than Model A.
• − The composition feels tighter and less 'cinematic' than the first image.

FLUX.1 Kontext [dev]

• + Successfully included all the requested text details including date, time, and specific location.
• + Captures the moody, dark atmosphere very well with the thorn-like border.
• + Good central glowing jack-o-lantern and silhouettes of trees and bats.

• − Text in the scroll banner and the location name is slightly garbled and contains spelling errors.
• − The 'dark parchment' looks more like a plain black background.

Stable Diffusion 3.5 Large Turbo

• + Excellent application of the 'parchment' texture and 'spooky border with webs' requirement.
• + Clean and aesthetically pleasing layout with high visual clarity.

• − Failed significantly on text adherence, missing the specific invitation subtitle and all the event details (date, time, location).
• − The central jack-o-lantern is black rather than a traditional orange pumpkin style as implied by 'glowing'.

FLUX.1 Kontext [dev]

• + Excellent typography with perfect spelling and placement.
• + Clean, minimalist aesthetic that follows the 'soft refined textures' prompt.
• + Consistent lighting and shadow on a solid light blue background.

• − The flag icon is stylized incorrectly and doesn't resemble the Japanese flag.
• − The sushi design is overly simplified, looking more like a toy than a food miniature.

Stable Diffusion 3.5 Large Turbo

• + Beautiful 3D diorama feel with realistic rice and food textures.
• + Great use of the requested isometric perspective and raised base.
• + Creative interpretation of the flag as a physical miniature within the scene.

• − Includes a significant spelling error ('SIIHI' instead of 'SUSHI').
• − The background is a gradient grey-blue rather than the requested solid light blue.

FLUX.1 Kontext [dev]

• + Successfully captures a dynamic action scene of animals chasing butterflies
• + Excellent lighting with a warm golden hour glow and soft bokeh
• + Accurate rendering of a golden retriever puppy and kitten species

• − Failed to include the baby bunny and red fox kit as requested
• − Anatomical issues with the center kitten's paws

Stable Diffusion 3.5 Large Turbo

• + Good detail on the fur texture and 'expressive eyes' mentioned in the prompt
• + Vibrant colors and high contrast

• − Static composition that ignores the 'chasing' and 'tumbling' action requested
• − Missing multiple animals (bunny, fox) and species look more like hybrids than specific domestic breeds
• − Anatomical glitches including an extra leg/paw coming out of the dog's chest

FLUX.1 Kontext [dev]

• + Excellent typography with perfect spelling and accent marks.
• + Clean vector aesthetics that fully embody the minimalist request.
• + Strong adherence to the warm brown and cream color palette.

• − The cloche dome is very abstract and slightly resembles a building dome.
• − Lacks the 'banner' requested in the prompt, opting for plain text.

Stable Diffusion 3.5 Large Turbo

• + Successfully includes the banner and steam elements as requested.
• + Effective use of vintage textures and shading to create a retro feel.
• + Closer interpretation of a 'cloche' dome shape.

• − Incorrect spelling of 'Caffé' (added an extra 'e' and incorrect accent).
• − Visual artifacts or glitches present in the typography on the banner.
• − The illustration is a bit cluttered, leaning away from the 'minimalist' requirement.

FLUX.1 Kontext [dev]

• + Stronger adherence to the flat-vector infographic style requested.
• + Follows the step-by-step sequential numbering instruction more closely.
• + Uses the specified navy and muted red palette effectively.

• − Significant spelling errors throughout the text including the header.
• − The icons are somewhat abstract and poorly formed.

Stable Diffusion 3.5 Large Turbo

• + Excellent visual composition and professional illustration quality.
• + Captures the mid-century NASA aesthetic perfectly with high clarity.
• + Text is cleanly rendered and readable, despite some creative spelling.

• − Failed to provide the six specific numbered steps requested in the prompt.
• − Included an astronaut character which was not requested in the flat-vector icon prompt.