FLUX.1 [schnell] Black Forest Labs vs FLUX.2 [flex] Black Forest Labs

FLUX.1 [schnell]

• + Excellent photorealism in the wood grain and leaf textures.
• + Accurate refractions and reflections within the glass cube.

• − Failed the spatial logic by placing a second sphere on top of the book.
• − The sphere inside appears to be floating without a visible support or base.

FLUX.2 [flex]

• + High adherence to all prompt constraints including placement and colors.
• + Realistic lighting and shadows consistent with window light from the left.
• + Composition feels natural and follows the specific arrangement requested.

• − The glass thickness on the bottom edges looks slightly inconsistent.
• − The blue sphere has a very matte texture that contrasts slightly with the glass environment.

FLUX.1 [schnell]

• + Excellent depiction of wet surfaces and reflections on the pavement.
• + The bicycle design is coherent and realistically rendered.
• + Strong character portrait with natural skin texture and expression.

• − Lack of motion blur on the passing cars, which appear sharp and static.
• − No visible rain falling despite the wet ground conditions.
• − The pose suggests leaning on the bike more than actively repairing it.

FLUX.2 [flex]

• + Successfully incorporates motion blur into the passing vehicles as requested.
• + Captures the sense of light rain with visible streaks and atmospheric haze.
• + The 'imperfect framing' is well-executed with the foreground pole, enhancing the candid street photo feel.

• − The structural integrity of the bicycle's rear frame is physically impossible.
• − The subject's hands are mangled and blending into the bike's chain/frame.
• − Noticeable anatomy issues with the man's left leg and foot positioning.

FLUX.1 [schnell]

• + Extremely tight and cinematic composition that emphasizes the intense expression
• + Outstanding skin texture showing realistic pores and subtle grit
• + Dynamic lighting with strong orange highlights that feel integrated into the environment

• − Misses several key prompt details like beads in the hair and bokeh sparks
• − The armor is partially cropped out, reducing the visual impact of the 'engraved plate'

FLUX.2 [flex]

• + Accurately includes specific prompt details like beads in the braids, visible sparks, and clear scars
• + Excellent rendering of the ornate engraved armor and leather strap textures
• + Successfully balances a wide range of materials from metal to woolly cloth underlayers

• − The facial skin texture is slightly smoother and less 'battle-worn' than Model A
• − Lighting on the face feels a bit flat compared to the dramatic highlights on the armor

FLUX.1 [schnell]

• + Features a clean, extremely minimalist layout that matches the 'modern' part of the prompt well.
• + The image grid is perfectly aligned.

• − Text rendering is very poor with several illegible gibberish words.
• − The food photos lack variety, showing mostly pizza-like items even in the appetizers section.
• − The 'ORFEFUS' section is nonsensical and fails to include the requested headers.

FLUX.2 [flex]

• + Stronger prompt adherence with distinct color-coded sections for 'Pizza' and 'Mains'.
• + Includes realistic pricing and legitimate-looking menu item names.
• + The food photography is higher quality and more varied, fitting the casual dining aesthetic.

• − The main header 'APPETIZERS' is a prompt adherence error where it should likely say 'MENU'.
• − Contains some overlapping text artifacts under the main header.

FLUX.1 [schnell]

• + Strong photorealistic textures on the main burger patty and bun.
• + Dynamic sense of motion with flying ingredients.
• + Good depth of field in the background.

• − Major text error: 'AGIC BURGER' instead of 'MAGIC BURGER'.
• − Confusing and redundant price elements including '€699'.
• − Exploded view is messy with unrecognizable toasted chunks.

FLUX.2 [flex]

• + Perfect text adherence with fiery, glowing effects on all requested strings.
• + Clear 'exploded' view that separates specific burger components as requested.
• + Very professional layout and composition suitable for a real advertisement.

• − The 'starburst' for the price is a bit simple in design.
• − The background flame effects are slightly more stylized/illustrative than photoreal.

FLUX.1 [schnell]

• + Captures a realistic chalk marker aesthetic.
• + Provides a clear, centered composition.

• − Failed significantly on text accuracy with numerous spelling errors like 'Taffle' and 'Pril'.
• − Did not follow the cursive instruction for the title.
• − The text looks more like a digital pen than textured chalk.

FLUX.2 [flex]

• + Excellent text accuracy, correctly rendering all menu items and dates.
• + Beautifully rendered chalk texture with realistic smudges and varied pressure.
• + Followed all stylistic instructions including the elegant cursive title.

• − The 'o' in 'Octopus' is slightly irregular, though this fits the 'handwritten' request.

FLUX.1 [schnell]

• + Excellent adherence to the 'horse on top' request with the horse actually saddled and riding the astronaut
• + Clean, cinematic lighting and high resolution
• + Creative interpretation where the astronaut's suit is the mount

• − Anatomical glitch featuring two horse heads merging
• − The astronaut's anatomy and helmet placement are somewhat incoherent

FLUX.2 [flex]

• + Strong surreal aesthetic with vibrant galaxy colors and asteroids
• + Better execution of the horse's anatomy compared to Model A
• + Clearly captures the space theme with high detail

• − The horse is being carried by the astronaut rather than 'riding' it
• − The astronaut's limbs and gloves have some clipping issues with the horse's legs

FLUX.1 [schnell]

• + Excellent fur texture on the capybara
• + Clear and accurate text on the driver hat
• + Strong depth of field with realistic bokeh lighting

• − The steering wheel placement looks detached from the vehicle structure
• − The capybara only has one paw near the wheel instead of both on it
• − Internal car geometry is slightly confused in the upper left

FLUX.2 [flex]

• + Perfect adherence to 'both front paws on the steering wheel'
• + Excellent composition that clearly shows both the capybara and the businesswoman
• + Highly realistic taxi interior details including the dash and headrests

• − The capybara paws look slightly more like humanoid hands with fur
• − The taxi light on top of the car is visible through the roof in a way that defies physics

FLUX.1 [schnell]

• + Includes all aesthetic elements like bats, trees, and thorns.
• + Vibrant glowing effect on the Jack-o-lantern.

• − Several typos in the text including 'firiichts', 'Tive', and repeated words.
• − Format is slightly messy with redundant date and time lines.

FLUX.2 [flex]

• + Perfect text rendering with zero spelling errors across all fields.
• + Strong adherence to the 'dark parchment' and 'gothic' aesthetic.
• + Professional layout that looks like a real invitation.

• − The Jack-o-lantern is less 'central' vertically than Model A, but still well-placed.

FLUX.1 [schnell]

• + Excellent high-clarity PBR materials with realistic subsurface scattering on the fish
• + Clean isometric diorama base with high-quality rendering
• + Very clean and minimal aesthetic

• − Failed to include the word 'SUSHI' in the text
• − The sushi roll/nigiri hybrid looks a bit physically illogical

FLUX.2 [flex]

• + Perfect adherence to all text requirements including 'JAPAN' and 'SUSHI'
• + Provides a more complete representation of a sushi platter
• + Strong cartoon/miniature aesthetic that feels cohesive

• − Lighting and shadows are slightly flatter than model A
• − Texture on the salmon is less realistic compared to the PBR request

FLUX.1 [schnell]

• + Warm, vibrant color palette with high saturation
• + Crisp focus on the animals' faces
• + Lovely bokeh effect in the background flowers

• − Failed to include a rabbit, instead showing two cat-like creatures
• − Character anatomy is slightly stylized rather than photorealistic
• − Composition feels a bit crowded and static

FLUX.2 [flex]

• + Successfully included all four distinct animals: puppy, kitten, bunny, and fox
• + Excellent capture of 'god rays' and dew sparkles as requested
• + Dynamic action pose with animals actually 'tumbling' and 'chasing'

• − The butterfly shapes are a bit irregular upon close inspection
• − The fox's front leg has a slightly awkward transition into the grass

FLUX.1 [schnell]

• + Excellent vector lines and overall aesthetic balance
• + Rich, saturated color palette that fits the 'vintage' request

• − Significant spelling errors in the brand name ('CAFEE FRAMILAN')
• − Incorrect date ('7720' instead of '1720')
• − Missing the 'steam' element requested

FLUX.2 [flex]

• + Perfect adherence to all text requirements including 'Caffè Florian' and 'Est. 1720'
• + Includes all requested elements like the cloche, steam, and banner
• + Clean, minimalist composition suitable for a modern-vintage logo

• − The 'steam' graphic is slightly off-center from the cloche handle
• − Composition is a bit more generic compared to the intricate framing of Model A

FLUX.1 [schnell]

• + Successfully uses the requested NASA-inspired color palette
• + Good use of flat vector aesthetics with subtle gradients

• − Text is largely gibberish and ignores the specific step labels
• − The layout is muddled and fails to clearly delineate the 6-step sequence
• − Central graphic is confusing and doesn't clearly represent the Earth-Moon trajectory

FLUX.2 [flex]

• + Excellent adherence to the 6-step sequence with accurate labels
• + Highly legible typography and crisp, professional layout
• + Iconography perfectly matches the prompt descriptions for each phase

• − Missing the final 6th step (Landing on surface) as it stops at Descent
• − The Saturn V icon is a bit simplified compared to the other technical drawings