FLUX.1 Kontext [dev] Black Forest Labs vs FLUX.2 [klein] 9B Black Forest Labs

FLUX.1 Kontext [dev]

• + Excellent adherence to the 'left window light' instruction with realistic reflections on the sphere.
• + High visual clarity and vibrant colors.
• + Accurately represents the scale of a 'small sphere' relative to the cube.

• − The glass cube lacks a front face, appearing more like an open-ended frame.
• − The bottom of the cube has a mirrored surface not requested in the prompt.

FLUX.2 [klein] 9B

• + Successfully renders all six faces of the glass cube.
• + Realistic wood texture and depth of field in the background.
• + Correct placement of the green plant partially visible through the glass.

• − The sphere is floating unnaturally in the center of the cube.
• − One corner of the red book appears to be slightly clipping or merging with the glass.

FLUX.1 Kontext [dev]

• + Excellent wet pavement reflections
• + High image clarity and clean subject rendering

• − Subject is posing with the bike rather than repairing it
• − Missing motion blur from passing cars
• − Anatomical issues with the man's legs and how he is straddling the bike frame

FLUX.2 [klein] 9B

• + Strong adherence to the 'repairing' action and 'candid' feel
• + Realistic skin texture and weathered clothing
• + Includes tools and a crouching pose that fits the narrative

• − Lack of noticeable motion blur from passing cars
• − The rain effect is very subtle compared to the wet ground

FLUX.1 Kontext [dev]

• + Excellent dramatic lighting and cinematic mood.
• + High-quality rendering of the face and intense expression.
• + Good shallow depth of field effect.

• − Missed the request for hair braided with beads.
• − The armor engraving is somewhat muddy and lacks fine detail.
• − Skin appears too clean for a "battle-worn" description.

FLUX.2 [klein] 9B

• + Excellent adherence to all prompt details, including braids with beads and scars.
• + Superior texture on leather straps and chainmail/cloth underlayers.
• + Engravings on the plate armor are crisp and highly detailed.

• − Slightly less dramatic lighting compared to the first image.
• − The torchlight in the background is a bit distracting and less out-of-focus than ideal.

FLUX.1 Kontext [dev]

• + Strong minimalist aesthetic with high-quality photography
• + Excellent use of white space and bold typography
• + Clean grid layout that feels modern and professional

• − Text is largely nonsensical gibberish
• − Food photos don't clearly match the category headers
• − Missing the specific 'Pizza' section mentioned in the prompt

FLUX.2 [klein] 9B

• + Successfully includes specifically requested sections like 'Appetizers', 'Pizza', and 'Mains'
• + Follows the layout conventions of an actual menu with pricing and descriptions
• + Closer adherence to the functional requirements of the prompt

• − Typography is distorted with overlapping characters and spelling errors
• − Visual quality is significantly lower with more artifacts
• − Repetitive photography showing four pizzas for different categories

FLUX.1 Kontext [dev]

• + Excellent text legibility and font styling
• + Accurate price currency symbol integration

• − Failed the 'exploded burger' requirement, showing whole burgers instead
• − Composition feels static rather than dynamic despite the fire elements

FLUX.2 [klein] 9B

• + Perfectly executed the 'exploded' burger concept with separated layers
• + Superior dynamic motion and sense of energy with sparks and embers
• + High quality text effects that better match the 'fiery' prompt description

• − None notable, though the starburst overlaps the bottom bun slightly

FLUX.1 Kontext [dev]

• + Features a realistic wood frame and warm cafe lighting.

• − Numerous spelling errors including 'Mashroom', 'Risoktso', 'Octpus', and garbled text for the date.
• − Highly repetitive text such as 'with with' and repeated price tags.
• − Handwriting style is thick and inconsistent, looking more like paint than chalk.

FLUX.2 [klein] 9B

• + Excellent text accuracy with only one minor typo ('fress' instead of 'fresh').
• + Highly realistic chalk texture including board smudges and dusty residues.
• + Adheres well to the requested 'elegant cursive' style for the header.

• − Small typo in the footer text.
• − The lighting reflection at the top slightly obscures some of the header text.

FLUX.1 Kontext [dev]

• + Followed the difficult logical instruction of putting the horse on top of the astronaut correctly.
• + Clean, high-resolution rendering with a cinematic lighting style.
• + The surreal anatomical connection between the characters feels intentional for the prompt.

• − The background is somewhat sparse and lacks the 'cinematic' richness of a space scene.
• − The horse's legs blending directly into the astronaut creates an awkward, centaur-like silhouette rather than a riding pose.

FLUX.2 [klein] 9B

• + Beautiful, vibrant, and highly detailed background with galaxies and planets.
• + Excellent composition and dynamic lighting.

• − Failed the primary prompt instruction by placing the astronaut on top of the horse.
• − Includes nonsensical, messy text at the bottom of the image.
• − The horse has inconsistent anatomy, particularly regarding the number of legs and their placement.

FLUX.1 Kontext [dev]

• + Excellent photorealistic lighting and textures
• + The capybara's head shape and fur quality are highly realistic
• + Captures a cinematic mood with high contrast

• − Failed to place both paws on the steering wheel (one is on its lap)
• − The passenger is looking at the camera/driver rather than her phone
• − Composition is a bit tight, making it harder to see the taxi environment

FLUX.2 [klein] 9B

• + Perfect adherence to the pose prompt with both front paws on the steering wheel
• + Excellent composition showing both the driver, the bored passenger, and the NYC street background
• + Stronger narrative feeling with the businesswoman clearly focused on her phone

• − The capybara's face is slightly distorted and less realistic than Model A
• − The text on the hat is gibberish
• − The perspective from the hood looking in is slightly less 'inside the taxi' than requested

FLUX.1 Kontext [dev]

• + Strong, legible main title font
• + Vibrant glow effect from the jack-o-lantern

• − Significant spelling errors in the scroll banner and location text
• − Background is overly dark, losing the requested 'parchment' texture and 'moody night sky' details

FLUX.2 [klein] 9B

• + Perfect text rendering for all requested details including the small scroll
• + Excellent atmosphere with visible parchment texture, cobwebs, and a moody sky
• + Superior aesthetic following the 'vintage gothic' and 'cinematic lighting' instructions

• − The tall gothic font for the title is slightly less instantly readable than a blockier font

FLUX.1 Kontext [dev]

• + Natural hair texture and lighting match the original scene.
• + High density hair as requested.

• − Failed to preserve facial features, significantly altering the man's identity.
• − Changed the glasses and mustache shape drastically.

FLUX.2 [klein] 9B

• + Excellent preservation of the original person's facial features and identity.
• + Hair texture and salt-and-pepper color feel very organic to the subject.
• + Maintains original glasses and clothing details perfectly.

• − The hairline transition on the forehead is slightly less sharp than Model A.

FLUX.1 Kontext [dev]

• + Excellent typography and layout of text.
• + Very clean, soft cartoon aesthetic with smooth textures.
• + Perfect alignment of the solid light blue background.

• − The flag icon is abstract and does not represent the Japanese flag.
• − The sushi representation is overly simplified, missing the traditional rice texture.

FLUX.2 [klein] 9B

• + Successfully captures a more detailed 'miniature' diorama feel with wood textures.
• + Includes multiple types of sushi (maki and nigiri) with better material definition.
• + Follows the 45-degree isometric prompt more accurately.

• − The flag icon is incorrect, appearing similar to the flag of Yemen or Egypt.
• − The text layout is slightly less integrated than its competitor.

FLUX.1 Kontext [dev]

• + Strong resemblance to the source subject's facial features and clothing.
• + Effective caricature style that maintains the original composition.

• − Completely failed to include any hockey-related elements.
• − The text 'JOB' is a literal and uncreative interpretation of the prompt.

FLUX.2 [klein] 9B

• + Successfully incorporates all prompt elements, including the hockey arena, dogs, and news anchor desk.
• + High-quality caricature art style with expressive features and great detail.

• − Lost the specific likeness of the source image, looking like a generic character.
• − The hands are poorly rendered with an irregular number of fingers.

FLUX.1 Kontext [dev]

• + Natural movement and dynamic 'running' poses
• + Consistent warm lighting across the subjects

• − Failed to include the fox and bunny, providing three non-distinct young animals instead
• − Poor anatomical detail on the center white kitten's paws

FLUX.2 [klein] 9B

• + Accurately included the golden retriever puppy, tabby kitten, and red fox kit as requested
• + Excellent rendering of 'god rays' and dew sparkles as per the prompt
• + Superior detail in fur texture and expressive eyes

• − Missing the baby bunny from the list of four animals
• − The kitten's front paws show some blending artifacts with the dog's fur

FLUX.1 Kontext [dev]

• + Perfectly preserves the layout and urban background of the original image
• + Accurately translates the original facial expressions into an anime style
• + Maintains the specific lighting and color values of the source photo

• − Style is more generic modern anime than the specific hand-painted Studio Ghibli aesthetic requested
• − Colors are saturated and digital rather than soft and pastel

FLUX.2 [klein] 9B

• + Excellent adherence to the 'Studio Ghibli' aesthetic with soft watercolor textures and pastel tones
• + Creative interpretation of the background into a dreamy, rural Ghibli landscape
• + Strong artistic merit with visible line work and gentle lighting

• − Lost the original facial expression of the girlfriend (she looks happy instead of shocked/angry)
• − The hand-painted texture makes some edges appear less defined

FLUX.1 Kontext [dev]

• + Excellent preservation of the source image identity and details
• + Subtle and realistic hair movement
• + Maintains clarity without adding clutter

• − The leaf addition is very minimal and looks slightly like artifacts rather than atmospheric debris

FLUX.2 [klein] 9B

• + Strong adherence to the 'energetic and lively' instruction with numerous flying leaves
• + Dramatic and well-rendered hair movement
• + Dynamic sense of motion throughout the frame

• − The quantity of leaves feels slightly excessive and covers parts of the subject
• − Subtle changes to the subject's facial features and eyes compared to the source

FLUX.1 Kontext [dev]

• + Clean execution of the minimalist vector style
• + Accurate spelling of 'Caffè Florian' including the grave accent
• + Strong visual balance in the vertical layout

• − Missed the 'banner' requirement for the 'Est. 1720' text
• − Very generic 'dome' icon that looks more like a building or cupcake wrapper than a cloche

FLUX.2 [klein] 9B

• + Successfully included the requested 'banner' element
• + Superior interpretation of a 'cloche dome' with more realistic highlights
• + Excellent use of the background texture requested in the prompt

• − The 'Est. 1720' text is slightly off-center within the banner
• − The typographical style of the main brand name is a bit uneven in stroke weight

FLUX.1 Kontext [dev]

• + Adheres well to the dark navy and white NASA palette.
• + Captures a cohesive flat vector style similar to icon sets.
• + Accurately represents the 11 from the prompt.

• − Significant spelling errors throughout the text (e.g., APOLO, DESCNT, TRANGULIITY).
• − Iconography is abstract and messy, making it hard to identify specific mission steps.
• − The layout lacks a clear logical flow for an infographic.

FLUX.2 [klein] 9B

• + Clear, readable infographic layout with a logical progression of steps.
• + Higher quality vector illustrations, including a recognizable Saturn V and Lunar Module.
• + Colors are better balanced and more visually appealing for a poster.

• − Multiple spelling errors in labels (e.g., AOILLO, TRANSLURAL, LANDINING).
• − Includes green and light blue in the Earth illustration, straying slightly from the requested palette.