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

FLUX.1 Kontext [dev]

• + Excellent surface textures, particularly on the red book cover and wooden table grain.
• + Strong adherence to the 'small' descriptor for the sphere within the cube.
• + High resolution with clean, sharp edges on the glass cube.

• − The glass cube lacks a front face, appearing more like a glass stand or table than a sealed cube.

FLUX.2 [dev]

• + The cube is rendered with all six sides clearly defined, showing realistic thickness in the glass panels.
• + Highly accurate lighting, with the blue sphere casting a clear reflection on the bottom glass panel.
• + Excellent depth of field with the plant correctly positioned behind the glass.

• − The blue sphere is slightly off-center, which might be a minor compositional drawback for some.

FLUX.1 Kontext [dev]

• + Clean composition with vibrant colors
• + Good representation of a red bicycle and wet pavement reflections

• − Subject is just sitting on the bike rather than repairing it
• − Cars in the background are stationary with headlights on, missing the requested 'motion blur'
• − The rain appears as static, uniform lines across the entire frame

FLUX.2 [dev]

• + Successfully captures the man actively 'repairing' the bicycle as requested
• + Excellent execution of motion blur on passing cars in the background
• + Realistic skin texture and 'imperfect framing' create a high-quality candid feel

• − The secondary handlebars in the foreground are a bit cluttered/confusing structurally
• − The framing is very tight, cutting off the bottom of the bicycle

FLUX.1 Kontext [dev]

• + Excellent dramatic lighting and high-contrast composition
• + Highly intricate engraving patterns on the breastplate
• + Realistic skin texture and lifelike eyes

• − Missed the request for braided hair with beads
• − The battle-worn attributes (scars/dirt) are very subtle compared to the prompt

FLUX.2 [dev]

• + Perfect adherence to specific details like braided hair with beads
• + Excellent rendering of weathered leather straps and textured cloth
• + Stronger 'battle-worn' aesthetic with visible scars and dirt

• − Lighting is a bit flat across the face compared to Model A
• − Metal texture looks slightly more like brushed steel rather than ornate gold/bronze plate

FLUX.1 Kontext [dev]

• + Features a truly minimalist grid layout that is very modern.
• + The food photos are distinct, high-quality, and colorful.
• + Text is bold and follows the requested sans-serif style.

• − Fails to include the 'Pizza' or 'Mains' labels requested in the prompt.
• − The text is largely nonsensical gibberish.
• − The layout is more of a graphic poster than a functional restaurant menu.

FLUX.2 [dev]

• + Excellent adherence to the specific section requests (Appetizers, Pizza, Mains).
• + Includes realistic menu elements like pricing and descriptions.
• + The layout feels more like a functional two-page menu.

• − Text rendering is messy with many character artifacts and misspellings.
• − The pizzas in the 'Appetizer' section create a logical inconsistency.
• − The color gradients on the accents feel a bit dated compared to Model A.

FLUX.1 Kontext [dev]

• + Excellent typography rendering for the primary title
• + High-quality, appetizing burger rendering
• + Strong environmental lighting from the coals below

• − Failed the 'exploded' portion of the prompt by keeping the burger nearly fully assembled
• − Contains a prominent spelling error in the word 'ONLY' (rendered as 'LNHLY')
• − The price starburst looks like a flat graphic compared to the rest of the scene

FLUX.2 [dev]

• + Perfectly executed the 'exploded' burger request with deconstructed layers
• + All text is spelled correctly and rendered with the requested fiery, glowing effect
• + Dynamic food photography feel with sauce droplets suspended in air

• − The bun texture is slightly less detailed compared to Model A
• − The lettuce looks a bit less realistic than the other components

FLUX.1 Kontext [dev]

• + Excellent chalk-like texture on the 'TODAY SPECIALS' text
• + Clean framing and lighting for a menu board

• − Numerous spelling and grammar errors including 'Mushroom Mashroom' and 'Risoktso'
• − The date is rendered as illegible gibberish
• − Text duplication on the second menu item line

FLUX.2 [dev]

• + Perfect spelling on almost every item including the date and the specific menu items
• + Very realistic chalk dust and smearing effects on the chalkboard background
• + Superior adherence to the specific 'Brown Butter' prompt completion

• − The 'with' on the second line is slightly muddy/smudged
• − The text doesn't quite fill the board symmetrically

FLUX.1 Kontext [dev]

• + Excellent adherence to the specific 'horse on top' spatial instruction
• + Clear and anatomically correct facial features through the helmet
• + Clean lighting and high-quality textures on the space suit

• − The horse's legs are awkwardly positioned and cut into the astronaut's space
• − Background elements are somewhat sparse and less cinematic than the competitor

FLUX.2 [dev]

• + Beautiful cinematic lighting and rich background detail including a nebula and moon
• + High quality textures on the horse's fur and the complex space suit hardware

• − Completely failed the negative constraint to have the horse on top
• − The horse's front legs have anatomical issues and strange wrapping

FLUX.1 Kontext [dev]

• + Excellent photographic quality and texture on the capybara fur.
• + The lighting inside the cabin feels cinematic and realistic.
• + Successful high-contrast night scene with blurred city lights.

• − The capybara only has one hand on the wheel and it looks like a strange hybrid hand.
• − The capybara's face looks slightly more like a bear or groundhog than a typical capybara.
• − The businesswoman appears to be sitting directly behind the driver rather than for optimal viewing of her and the phone.

FLUX.2 [dev]

• + Captures a more accurate capybara facial structure and head shape.
• + Strictly follows the prompt of 'both front paws on the steering wheel'.
• + Excellent composition showing both the driver and the passenger through the front windshield.

• − The paws on the steering wheel look more like human-primate hands than capybara paws.
• − The lighting is a bit flat and less 'night-like' compared to the other model.
• − The background bokeh is a bit busy and distracting.

FLUX.1 Kontext [dev]

• + Clear, legible main title text
• + Vibrant jack-o-lantern glowing effect
• + Accurate date and time representation

• − Small banner text is scrambled and illegible
• − The location name 'The Arches' is misspelled as 'ARGIIVAH'S'
• − Lacks the requested 'dark parchment' and vintage atmospheric depth

FLUX.2 [dev]

• + Perfect text rendering for all fields including the small scroll banner
• + Excellent gothic atmosphere with parchment texture, thorns, and twisted trees
• + Fulfills all prompt elements including specific location and cinematic lighting

• − The jack-o-lantern is quite dark/black, which may slightly reduce the 'glowing' contrast
• − Slightly less 'vibrant' color palette compared to Model A

FLUX.1 Kontext [dev]

• + Successfully added a thick head of hair that follows the requested prompt.
• + Maintained the overall aesthetic and color palette of the clothing and background.

• − Failed to preserve original facial features, significantly altering the man's face to look younger and different.
• − Modified the style and color of the eyeglasses from the source image.

FLUX.2 [dev]

• + Excellent source preservation, keeping the original face, glasses, and background entirely intact.
• + Highly realistic hair texture with natural lighting that matches the scene.

• − The choice of an afro hairstyle, while full and thick, may feel less 'natural' for this specific individual's existing beard texture and ethnicity compared to other styles.

FLUX.1 Kontext [dev]

• + Excellent typography style that matches the bold, cartoon aesthetic.
• + High-clarity surfaces and clean geometric shapes.
• + Vibrant color palette that pops against the blue background.

• − The flag icon is incorrect and unrecognizable as the Japanese flag.
• − The sushi design is oversimplified, looking more like an abstract pill than food.
• − Missing the 45-degree angle requested, opting for a flatter perspective.

FLUX.2 [dev]

• + Perfect adherence to the 45-degree isometric projection and diorama base request.
• + High-quality realistic PBR textures on the rice, fish, and wasabi.
• + Accurate Japanese flag icon and excellent spatial distribution of elements.

• − The text is slightly thin compared to the 'large bold' request.
• − Slightly less 'cartoonish' than Model A, though arguably more detailed.

FLUX.1 Kontext [dev]

• + Strong resemblance to the original subject's facial features and hair.
• + Distinctive vibrant comic-book art style.
• + Effectively incorporates the TV anchor role with the background television.

• − Completely missed the 'hockey' instruction.
• − The dog is rendered as a stylized cartoon/logo rather than a full caricature character.
• − Text rendering is nonsensical and distracting.

FLUX.2 [dev]

• + Successfully incorporates all prompt elements including TV anchoring, dogs, and hockey in a single scene.
• + Authentic caricature style with the classic 'large head, small body' proportions.
• + The setting on an ice rink perfectly blends the requested hobbies with the profession.

• − The facial resemblance to the original person is slightly weaker than in the other model.
• − Unnecessary addition of a secondary male character in the background.

FLUX.1 Kontext [dev]

• + Excellent sense of motion and playfulness
• + Very clean, bright lighting with a joyful atmosphere
• + Consistent art style across all characters

• − Failed to include the bunny and the red fox kit
• − Included two cats instead of the specific animal variety requested
• − Visual style feels slightly more digital/illustrative than hyper-photorealistic

FLUX.2 [dev]

• + Included all requested animals: puppy, tabby kitten, bunny, and red fox kit
• + Superior texture detail in the fur and environment
• + Excellent realization of god rays and dew sparkles in the lighting

• − The animals are mostly sitting still rather than 'chasing and tumbling'
• − The bunny appears to be duplicated or merging with a second rabbit

FLUX.1 Kontext [dev]

• + Excellent preservation of the original street background and clothing details.
• + Accurately replicates the character poses and spatial layout.
• + Strong line work consistent with modern anime styles.

• − The art style is generic modern anime rather than the specific 'hand-painted' Studio Ghibli aesthetic requested.
• − Colors are fairly saturated rather than soft pastels.

FLUX.2 [dev]

• + Perfectly captures the Studio Ghibli aesthetic with hand-painted textures and soft pastel colors.
• + Effectively creates a 'dreamy background' using flowers and soft clouds while keeping the subject recognizable.
• + Maintains character expressions and the core meme composition.

• − Replaces the background entirely instead of transforming the existing street scene.
• − The man's hand on the right is slightly malformed.

FLUX.1 Kontext [dev]

• + Excellent source preservation, maintaining identical character features and background details.
• + Subtle and realistic hair movement that matches the breeze.

• − The 'flying leaves' are barely noticeable with only a few small green specs present.
• − The overall feel is less 'dynamic' than requested.

FLUX.2 [dev]

• + Strong adherence to the 'energetic and lively' request with significant leaf movement.
• + Dramatic wind-blown hair effect that effectively conveys motion.

• − Struggles with source preservation as the woman's facial features have visibly changed.
• − The leaves appear somewhat flat and lack motion blur compared to the sharp background.

FLUX.1 Kontext [dev]

• + Clean vector lines and high-contrast typography
• + Accurate spelling including the grave accent on 'Caffè'
• + Strong minimalist aesthetic that is easily scalable

• − Failed to include the requested banner element
• − The steam effect is overly stylized and lacks clarity
• − The cloche looks more like a dome or architectural piece than a food cover

FLUX.2 [dev]

• + Excellent adherence to all prompt elements including the banner and steam
• + Beautiful vintage texture and paper grain effect
• + Sophisticated typography and professional logo composition

• − The accent mark on 'Caffè' is slightly misplaced/merged with the letter
• − Smaller text size makes 'Est. 1720' harder to read at low resolutions

FLUX.1 Kontext [dev]

• + Stronger adherence to the flat-vector aesthetic requested in the prompt.
• + Uses the specified navy, white, and muted red color palette correctly.

• − Severely garbled text and typos in the headline (e.g., 'APOLO').
• − Icons are abstract and messy, failing to clearly represent the specific mission stages.
• − The layout is disorganized with overlapping text and icons.

FLUX.2 [dev]

• + Excellent visual clarity and professional infographic layout.
• + High-quality iconography that clearly depicts the Saturn V, Lunar Module, and trajectories.
• + Mostly legible text including the names of the crew members.

• − Includes several extra steps not requested in the 6-step prompt, leading to some repetition.
• − Uses a more detailed illustrative style rather than the requested 'flat-vector' style.
• − Some minor spelling artifacts in the smaller labels.