FLUX.1 [dev] Black Forest Labs vs FLUX.2 [klein] 4B Black Forest Labs

FLUX.1 [dev]

• + Excellent handling of complex light refraction and reflections through the glass.
• + The sphere appears to be levitating or suspended, creating a more artistic look.
• + High-quality leather texture on the red book.

• − The glass object is constructed of thick glass slabs rather than a hollow cube, hindering the 'partially visible plant' prompt element.
• − The sphere is quite large, bordering on 'medium' rather than 'small' as requested.

FLUX.2 [klein] 4B

• + Perfect adherence to the 'small' descriptor for the blue sphere.
• + The glass cube is clearly hollow, allowing the plant and background to be seen through it as requested.
• + Realistic grain texture on the wooden table.

• − The sphere's reflection on the bottom of the cube looks a bit more like a second sphere or a very sharp mirror rather than glass surface behavior.
• − The lighting on the book is slightly flat compared to the surrounding environment.

FLUX.1 [dev]

• + Excellent composition with a strong use of 50mm shallow depth of field.
• + Very high visual quality with realistic skin textures and rain effects.
• + The character's interaction with the bicycle feels deliberate and grounded.

• − Lacks the requested 'motion blur' from passing cars.
• − The environment looks slightly generic rather than specifically Japanese.

FLUX.2 [klein] 4B

• + Captures the 'imperfect framing' and 'candid' street vibe more effectively.
• + Better adherence to the 'motion blur' request in the background vehicles.
• + Authentic depiction of a traditional Japanese utility bicycle.

• − Anatomical issues where the man's leg and bicycle frame intersect awkwardly.
• − Physics of the bicycle chain and kickstand area are inconsistent.

FLUX.1 [dev]

• + Excellent shallow depth of field and bokeh quality.
• + Highly detailed, lifelike iris texture in the eyes.
• + Captures natural skin texture including subtle freckles and pores.

• − Missed the request for small beads in the hair braids.
• − Subject looks more like a modern woman in cosplay than a 'battle-worn paladin'.
• − Armor engraving is fairly plain compared to the prompt's request.

FLUX.2 [klein] 4B

• + Perfect adherence to the hair beads, scars, and ornate engraving requirements.
• + Excellent lighting setup with visible torches and warm reflections.
• + Captures the 'battle-worn' aesthetic much more convincingly.

• − The 'small beads' in the hair slightly warp the hair geometry around them.
• − Skin texture is a bit flat compared to the realism of Model A.

FLUX.1 [dev]

• + Excellent typographic clarity and hierarchy
• + Highly professional minimalist aesthetic suitable for a real restaurant
• + Very clean layout with effective use of white space

• − Technically failed the 'grid of food photos' prompt by using only two circular images
• − Did not include a specific 'Pizza' section heading

FLUX.2 [klein] 4B

• + Successfully implemented the 'grid of food photos' request
• + Vibrant food photography and colorful accents
• + Captures the high-energy casual dining feel well

• − Text rendering is poor with many gibberish characters and overlapping letters
• − The layout feels cluttered compared to Model A
• − Font choices are less legible and consistent

FLUX.1 [dev]

• + Excellent food photography style with realistic textures
• + Accurate limited time and price text placement
• + Clean, balanced composition capturing the 'exploded' view

• − Failed to include the main title 'MAGIC BURGER' entirely
• − Missing the requested starburst for the price

FLUX.2 [klein] 4B

• + Stronger sense of motion and 'fire' theme with dynamic embers
• + Includes the starburst element for the price as requested
• + Rendered the 'Limited Time Only' text clearly

• − The main title text is severely mangled and misspelled
• − Failed the 'exploded' instruction as the burger is mostly assembled
• − The bun texture looks plastic and less photorealistic than its competitor

FLUX.1 [dev]

• + Perfect spelling on all requested menu items.
• + Consistent and legible handwriting style.
• + Strong background depth with a realistic café environment.

• − The text looks a bit more like a digital brush than raw chalk.
• − The handwriting is almost too perfect, lacking significant natural variation.

FLUX.2 [klein] 4B

• + Excellent chalk texture including dust and smudges.
• + Realistic handwriting variation and slant.
• + Captures the cursive requirement for the title well.

• − Multiple spelling errors throughout the text (e.g., 'Truffel', 'Musheram', 'Ootrpous').
• − Spacing issues in the main title ('S PECIALS').

FLUX.1 [dev]

• + Successfully followed the difficult constraint of 'horse on top' of the astronaut.
• + Maintains a clean, cinematic aesthetic with smooth lighting.
• + Shows high creativity in interpreting a surreal physical arrangement.

• − The horse's anatomy is slightly simplified and rubbery.
• − Lighting on the horse's mane is a bit inconsistent with the background light source.

FLUX.2 [klein] 4B

• + Excellent texture rendering on the spacesuit and horse's coat.
• + Strong composition with realistic atmospheric perspective over the planet.

• − Failed the primary prompt constraint by placing the astronaut on top of the horse.
• − Missing the requested 'surreal' aspect, opting for a standard sci-fi interpretation.
• − The horse's front legs exhibit anatomical clipping issues.

FLUX.1 [dev]

• + Excellent photorealistic texture on the capybara's fur.
• + Great depth of field with cinematic lighting and colors.
• + Follows the 'yellow taxi driver cap' prompt perfectly.

• − The woman appears to be in the front passenger seat rather than the back seat.
• − The paws on the steering wheel look slightly AI-generated and less defined.
• − The composition feels more like a passenger-side view than a full taxi interior.

FLUX.2 [klein] 4B

• + Correctly places the passenger in the back seat as requested.
• + The capybara's paws are very clearly placed on the steering wheel.
• + Captures the 'bored' expression of the businesswoman more effectively.

• − The car interior looks slightly cramped and less like a modern NYC taxi.
• − The lighting is a bit flat compared to the cinematic quality of the first image.
• − The capybara's jacket is a bit bulky and interferes with the steering wheel visual.

FLUX.1 [dev]

• + Strong composition with a clear focal jack-o-lantern
• + Clean rendering of the thorn border
• + Excellent contrast and cinematic lighting

• − Major spelling errors in the main title
• − Redundant text listing 'Time' twice and adding commas in the date
• − Lack of visible cobwebs asked for in the prompt

FLUX.2 [klein] 4B

• + Successfully included all elements including cobwebs and the moody night sky
• + More accurate 'vintage gothic' parchment aesthetic
• + The banner text is almost perfectly spelled

• − The main title text is severely garbled and illegible
• − The date has a typo ('206' instead of '2026')
• − Visuals are slightly more cluttered compared to model A

FLUX.1 [dev]

• + Excellent diorama-style composition with a tiered base
• + High-quality soft lighting and 3D materials
• + Includes a clean Japan flag icon and creative garnish

• − Text contains a hallucination ('SUSH CATON')
• − Depth of field is a bit shallow, blurring the back sushi pieces

FLUX.2 [klein] 4B

• + Text 'JAPAN' is very large and bold as requested
• + Render quality on the sushi fish is highly realistic with PBR-like properties
• + Minimalistic and clean layout

• − Failed to include the 'I' in 'SUSHI', rendering 'SUSH'
• − Flag icon is incorrect (appears as the flag of Austria)
• − Missed the 'raised diorama base' requirement, using just a plate

FLUX.1 [dev]

• + Strong bokeh and warm atmospheric lighting
• + High visual appeal in a stylized, 3D animated movie aesthetic

• − Failed to include a kitten and a bunny, generating four generic canine-like creatures instead
• − Completely ignored the hyper-photorealistic requirement in favor of a cartoon/Pixar style
• − Anatomically incorrect paws that look like mittens

FLUX.2 [klein] 4B

• + Excellent adherence to the 'hyper-photorealistic' request with realistic fur textures
• + Includes all requested animals (puppy, kitten, fox) correctly
• + Beautiful implementation of god rays and dew sparkles as requested in the prompt

• − The bunny is missing from the group
• − One kitten appears much smaller and slightly warped in its positioning

FLUX.1 [dev]

• + Excellent typography style that fits the vintage aesthetic
• + Clean cloche icon with elegant steam lines
• + Includes a well-designed banner element

• − Significant spelling errors ('Flariláan' instead of 'Florian', 'Reseaurant')
• − Includes random, non-requested numbers (11011, 1941)

FLUX.2 [klein] 4B

• + Beautiful parchment-style texture on the background
• + Cloche dome has nice lighting and dimension
• + Consistent color palette throughout

• − Spelling error in the main brand name ('Flaxtion' instead of 'Florian')
• − Redundant repetition of 'Est. 1720' both inside and below the banner
• − Font choice is a bit generic for a luxury 'Caffè' logo

FLUX.1 [dev]

• + Excellent adherence to the muted NASA-inspired color palette.
• + Sophisticated layout that feels like a professional infographic poster.
• + Clean vector lines and consistent iconography across the design.

• − Text rendering is mostly gibberish despite the header being correct.
• − Includes irrelevant planets like Saturn which were not part of the mission request.

FLUX.2 [klein] 4B

• + Clearly labels distinct steps of the mission in a sequential grid.
• + Good rendering of the Lunar Module and the Tranquility base pin.
• + Follows the specified 6-step structure more literally than model A.

• − Severe spelling errors in the main title ('APLLO 1UT 1J').
• − The Saturn V rocket illustration is anatomically incorrect and messy around the engines.
• − Visual style is less cohesive, with varying icon sizes and awkward spacing.