FLUX.1 Kontext [pro] Black Forest Labs vs FLUX.2 [flex] Black Forest Labs

FLUX.1 Kontext [pro]

• + Excellent photographic realism with natural window light and curtains.
• + Realistic wood grain texture and high-quality glass transparency.
• + The cube structure is thin and elegant, fitting the 'glass cube' description perfectly.

• − The plant is more in the background than 'behind' the cube, though still visible.
• − The blue sphere has a felt-like texture rather than being a standard smooth sphere.

FLUX.2 [flex]

• + Perfectly adheres to the spatial prompt with the plant clearly positioned behind the glass cube.
• + Smooth, high-quality rendering of the blue sphere and red book.
• + Good application of soft window light from the left side.

• − The glass cube is missing its top face, appearing more like a glass box or stand with the book resting on the side edges.
• − The composition feels slightly more digital and less like a real photograph compared to Model A.

FLUX.1 Kontext [pro]

• + Excellent shallow depth of field with realistic background bokeh.
• + Natural skin texture and convincing rainfall effects.
• + Captures the 'candid' and 'imperfect framing' request perfectly.

• − The subject is holding the bike rather than repairing it.
• − The bicycle anatomy around the handlebars is slightly confusing.

FLUX.2 [flex]

• + Accurately depicts the act of 'repairing' the bicycle.
• + Includes strong motion blur from passing cars as requested.
• + Good reflection detail on the wet pavement.

• − The bicycle frame geometry is physically impossible (missing seat tube).
• − The 'imperfect framing' feels less natural and more cluttered with the large post on the left.

FLUX.1 Kontext [pro]

• + Naturalistic lighting and shallow depth of field
• + Highly realistic skin textures and subtle, believable weathering
• + Excellent artistic composition with a cinematic feel

• − Missed the beads in the braids
• − The scars are extremely faint, almost invisible

FLUX.2 [flex]

• + Matches all prompt details including beads in the hair and prominent scars
• + Highly detailed engraving and textures on the armor
• + Clear depiction of warm torchlight and bokeh sparks

• − The scars look like fresh, clean cuts rather than old battle-worn scars
• − Lighting is a bit flat and looks more like a high-end CGI render than a photograph

FLUX.1 Kontext [pro]

• + Strong typography and effective use of white space for a minimalist look.
• + Food images are high quality and clearly distinguishable.
• + The layout neatly categorizes into the three requested sections.

• − The grid requested is represented more as a staggered list rather than a true photo grid.
• − Includes a pizza under the 'Mains' heading which causes categorical overlap.
• − Text contains more gibberish characters than Model B.

FLUX.2 [flex]

• + Adheres better to the 'grid' request for the food photos.
• + More professional-looking color blocks and UI-inspired design.
• + Better rendering of realistic currency and menu item structures.

• − The 'Appetizers' heading at the top is redundant as a title for the whole page.
• − Layout feels slightly cluttered compared to Model A's minimalist approach.
• − Text becomes illegible in the smaller descriptions.

FLUX.1 Kontext [pro]

• + Excellent typography with a glowing red and gold border.
• + High photorealistic detail in the texture of the bun and melted cheese.
• + Dynamic atmosphere with realistic embers and smoke.

• − Repeated the price text '€6.99' twice in different sizes.
• − Missed the specific 'starburst' request for the price element.
• − The burger layers are not fully 'exploded' or separated, appearing mostly stacked.

FLUX.2 [flex]

• + Perfectly followed the instruction to place the price in a starburst.
• + Better separation of ingredients conveying the 'exploded' motion requested.
• + Creative fiery effect applied to the internal letters of the main title.

• − The 'LIMITED TIME ONLY' text is slightly less legible than Image A.
• − The bottom bun seems to be melting or drooping unrealistically into the sauce.

FLUX.1 Kontext [pro]

• + Excellent chalk texture and grainy detail on the letters
• + Perfect adherence to the requested date and menu item prices
• + Realistic wood frame and board surface

• − Text at the bottom has spelling errors ('ous' instead of 'us', 'tree' instead of 'free')
• − Title is print-style rather than the requested 'elegant cursive'

FLUX.2 [flex]

• + Beautiful cursive handwriting style for the title and menu items as requested
• + Atmospheric lighting and composition within a café setting
• + Accurate spelling throughout the entire text

• − Chalk texture is slightly too smooth, leaning towards a 'chalk marker' look
• − Less natural variation in the thickness of the chalk strokes compared to Model A

FLUX.1 Kontext [pro]

• + Excellent adherence to the 'horse riding astronaut' specific prompt by placing the horse in a seating position on the astronaut's back.
• + High cinematic quality with realistic space lighting and textures.
• + Highly detailed and clean rendering of the space suit and horse fur.

• − Anatomical weirdness where the astronaut's legs end in hooves.
• − A small, unexplained secondary astronaut figure is fused into the horse's back.

FLUX.2 [flex]

• + Vibrant, surreal color palette with a celestial nebula background.
• + Clearer distinction Between the horse's hooves and the astronaut's hands/boots.

• − Fails the specific prompt logic; the horse is jumping over/touching the astronaut rather than 'riding' them.
• − The horse's front legs are awkwardly merged into the astronaut's shoulders/hands area.

FLUX.1 Kontext [pro]

• + Excellent photorealistic texture on the capybara fur
• + Natural, cinematic lighting that feels professional
• + Accurate depiction of a dark jacket as requested

• − The passenger is on a phone call rather than looking at her phone as requested
• − The composition is quite tight, showing less of the Manhattan environment

FLUX.2 [flex]

• + Perfect adherence to the passenger's action and expression
• + Stronger sense of place with the recognizable Manhattan backdrop through the windows
• + Clearer view of the 'taxi driver cap' and the full cabin interior

• − The hands of the capybara look a bit more like human hands than paws
• − The lighting on the capybara's face is a bit flatter than in the other image

FLUX.1 Kontext [pro]

• + Excellent typography style that matches the gothic aesthetic
• + Detailed spooky border with webs
• + Dramatic, high-contrast cinematic lighting

• − Includes nonsense text 'Your: Vorkleat: Iight & Spans' that was not in the prompt

FLUX.2 [flex]

• + Perfect text accuracy for all required fields
• + Strong representation of the dark parchment texture with torn edges
• + Clean, readable layout

• − Lighting is a bit flatter compared to the other model
• − The outer white border slightly breaks the 'poster' feel

FLUX.1 Kontext [pro]

• + Excellent full head of hair that matches the beard color and texture.
• + Seamless blend between the new hair and the existing sideburns/beard.

• − Slightly alters the facial structure, making the man look younger and changing the eye shape.
• − Changes the frame style of the glasses to a solid black plastic.

FLUX.2 [flex]

• + Perfect preservation of the facial features, skin texture, and original glasses.
• + Maintains the exact lighting and background from the source image.

• − The hair is quite short and thin, not meeting the 'full, thick' part of the prompt.
• − The hairline near the temples looks a bit unnatural and abrupt.

FLUX.1 Kontext [pro]

• + Excellent 3D cartoon art style with charming, rounded fonts
• + Very clean composition with high-quality soft lighting and textures
• + Accurate 45-degree isometric perspective

• − The flag icon is stylized as an envelope/tag rather than a traditional flag shape

FLUX.2 [flex]

• + Features a variety of sushi types including nigiri and maki
• + Very clean, flat vector-style flag and text rendering
• + Adheres well to the requested diorama base and solid background

• − The text is plain and lacks the '3D cartoon' aesthetic requested in the prompt
• − Shadow on the diorama base is strangely cut off on the left side

FLUX.1 Kontext [pro]

• + Excellent preservation of the subject's clothing and facial structure in a stylized format.
• + High-quality comic book art style with clean lines.

• − Completely ignored the prompt instructions regarding the job (TV anchor), dogs, and hockey.
• − Failed the editing task by only changing the style without adding the requested elements.

FLUX.2 [flex]

• + Successfully integrated all requested elements including the TV news desk, multiple dogs, and hockey gear.
• + Exaggerated caricature style that fits the 'humorous' request perfectly.
• + Good source preservation of the subject's outfit and facial features within the new style.

• − Small text artifacts on the news desk ('INEIANAES').
• − The hockey element is slightly understated compared to the dogs, appearing mostly as jerseys and one stick.

FLUX.1 Kontext [pro]

• + Excellent soft, golden lighting that matches the requested sunrise vibe.
• + High-quality fur texture and expressive, cute facial features on all animals.
• + Vibrant color palette with a dense, beautiful wildflower meadow.

• − Failed to include a distinct baby bunny, instead generating two cat-like creatures in the center.
• − The composition is static with animals sitting rather than 'playfully chasing and tumbling'.

FLUX.2 [flex]

• + Successfully included all four distinct animal types: puppy, kitten, bunny, and fox kit.
• + Captured the 'playfully chasing and tumbling' action much better with dynamic posing.
• + Includes very clear 'god rays' and dew sparkles as requested in the prompt.

• − The fox kit has slightly unusual black limb coloring that looks a bit unnatural.
• − The butterflies are somewhat large and distracting compared to the more subtle ones in Model A.

FLUX.1 Kontext [pro]

• + Excellent preservation of the iconic character expressions and poses.
• + Captures the hand-painted watercolor texture of Ghibli films perfectly.
• + Maintains the distinct color palette of the original photo while stylizing it.

FLUX.2 [flex]

• + Achieves a very soft, nostalgic, and dreamy pastel aesthetic.
• + High-quality linework that adheres well to a classic anime style.
• + Good background detail with stylized signage.

• − Fails to preserve the character emotions, specifically making the girlfriend look happy rather than jealous.
• − The man's stubble and facial structure look slightly less like the original subject compared to Model A.

FLUX.1 Kontext [pro]

• + Excellent preservation of the subject's face and body features.
• + The hair motion looks very natural and integrated with the character.
• + Subtle and realistic addition of floating leaves.

• − The leash handle has been slightly simplified causing a minor loss of detail.

FLUX.2 [flex]

• + Very dramatic and high-energy hair motion.
• + High quantity of leaves creates a very lively feel as requested.

• − Noticeable distortion of the subject's right leg (left side of image) making it look unnaturally wide.
• − Leaves appear somewhat pasted-on and lack realistic blurring for the speed implied by the hair.

FLUX.1 Kontext [pro]

• + Excellent texture that mimics paper or woodblock printing
• + Clear and bold typography that fits the vintage aesthetic
• + Accurate rendering of all prompt elements including the banner and steam

• − Spelling error in the banner text ('EEST' instead of 'EST')
• − The cloche illustration is slightly blocky compared to a clean vector style

FLUX.2 [flex]

• + Elegant arched typography with correct accent on the name
• + Perfect spelling of all requested text
• + Clean vector lines and more balanced composition

• − The 'subtle texture' requested in the prompt is almost non-existent
• − The steam effect is a bit faint for a logo

FLUX.1 Kontext [pro]

• + Excellent NASA-inspired color palette.
• + Artistic and integrated vector style with a strong sense of composition.

• − Confused scientific imagery, including a bizarre Saturn-like ring on the rocket and multiple moons/planets.
• − Text labels are cluttered and contain inaccuracies like labeling the Moon as 'Earth' and including 'Collins' randomly.
• − Fails to clearly delineate the specific steps 1 through 6.

FLUX.2 [flex]

• + Follows the infographic structure perfectly with clear, labeled steps.
• + Clean, modern flat-vector icons that match the prompt's request for crisp lines.
• + Highly legible and accurate typography with correct spelling.

• − Included only 5 distinct steps instead of the 6 requested in the prompt.
• − The layout is a bit more rigid and standard compared to a creative poster design.