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

FLUX.1 [dev]

• + Excellent photorealistic textures on the leather book and wooden table.
• + Highly realistic light refraction and reflections through the glass cube.

• − The sphere appears more cyan/teal than the requested true blue.
• − The glass cube has internal glass structural lines that make it look like multiple plates rather than a simple cube.

FLUX.2 [flex]

• + Perfect adherence to the 'blue' color request for the sphere.
• + Accurately places the plant behind the glass with realistic distortion and visibility.
• + Clean, simple geometry for the glass cube.

• − The sphere's texture is slightly flat and matte compared to the environment.
• − Lighting on the table is a bit more diffused/uniform than Model A.

FLUX.1 [dev]

• + Excellent depiction of raindrops in the air and on the subject's clothing.
• + Captures the request for motion blur from a passing car accurately.
• + Very natural skin texture and realistic, candid body language.

• − The subject appears to be just holding the bike rather than actively repairing it.
• − The bicycle is missing its front wheel, which looks like a structural error rather than an intentional repair state.

FLUX.2 [flex]

• + Strong composition that feels like an authentic street photograph with 'imperfect framing'.
• + Better adherence to the 'repairing' action with the subject kneeling and working on the chain.
• + Excellent lighting and reflections on the wet pavement.

• − The bike's handlebars and frame geometry are somewhat distorted and physically impossible.
• − The motion blur on the cars is a bit more static/frozen compared to Model A.

FLUX.1 [dev]

• + Extremely high visual quality with lifelike eyes and skin texture.
• + Beautiful use of shallow depth of field and soft bokeh.
• + Compelling lighting with subtle reflections on the armor.

• − Missed several prompt elements like beads in the hair and faint scars.
• − Armor lacks the requested ornate engravings.
• − Subject appears more like a modern person in a costume than a battle-worn paladin.

FLUX.2 [flex]

• + Excellent adherence to all prompt details including beads, scars, and ornate engravings.
• + Perfectly captures the 'battle-worn' aesthetic with dirt and visible wounds.
• + Stunning detail on the leather straps and textured cloth underlayer.

• − Lighting on the face is slightly flat compared to the dramatic lighting on the armor.
• − The bokeh sparks are a bit uniform in size and distribution.

FLUX.1 [dev]

• + Excellent typography rendering with clean, readable fonts
• + Sophisticated minimalism with organic white-space usage
• + High-quality, realistic food photography

• − Failed the request for a 'grid' of food photos
• − Missing the specific 'Pizza' section heading requested in the prompt

FLUX.2 [flex]

• + Perfect adherence to the 'grid' layout for food photos
• + Includes all requested sections (Appetizers, Pizza, Mains)
• + Bold use of color blocks for section identification

• − Text rendering is messy with many orthographic errors compared to Model A
• − Layout feels a bit cluttered for a 'minimalist' prompt

FLUX.1 [dev]

• + Excellent photorealistic rendering of food textures
• + Clean, balanced composition with a vertical 'exploded' view

• − Completely missed the 'MAGIC BURGER' title text
• − Failed to place the price in a starburst as requested
• − Background lacks the fiery intensity described in the prompt

FLUX.2 [flex]

• + Perfect adherence to all text requirements including 'MAGIC BURGER' and starburst price
• + Strong sense of motion with crumbs and dripping sauce
• + Excels at the 'fiery, glowing effect' for the background and typography

• − The 'exploded' effect is less uniform compared to model A
• − Slight over-saturation in the red and orange tones

FLUX.1 [dev]

• + Excellent text legibility and spelling accuracy throughout the board.
• + Strong adherence to the specific menu items and date requested.
• + Clean composition with consistent spacing.

• − The text looks more like a digital marker or vector font than realistic chalk.
• − The title 'TODAY SPECIALS' is missing the possessive 'S' requested in the prompt.
• − The 'handwriting' is too uniform, lacking the requested realistic chalk texture and natural variations.

FLUX.2 [flex]

• + Superb chalk texture with smudge marks and dusty residues that feel authentic.
• + Accurately rendered both the title text and the requested date with natural handwriting slants.
• + Perfectly captures the 'elegant cursive' style for the title as specified in the prompt.

• − Some text at the bottom is slightly less legible due to the chalk texture.
• − Slightly less centered horizontal alignment for the top few lines compared to Model A.

FLUX.1 [dev]

• + Clean, cinematic lighting and high resolution
• + Smooth horse anatomy and realistic astronaut suit textures

• − Failed to follow the specific spatial instruction (horse is being ridden, not on top)

FLUX.2 [flex]

• + Excellent adherence to the complex spatial prompt with the horse on top of the astronaut
• + Highly surreal and creative interpretation of the concept
• + Detailed background elements including a galaxy and asteroids

• − The astronaut's hands and the horse's front legs have slight anatomical merging artifacts

FLUX.1 [dev]

• + Excellent soft lighting and photorealistic rendering of the capybara's fur.
• + Accurate bored expression on the passenger looking at her phone.
• + High-quality blurred bokeh in the background lights.

• − The passenger is seated in the front passenger seat rather than the back seat.
• − The capybara's paws are not placed logically on the steering wheel.
• − The composition is missing the 'professional' driver uniform detail beyond the cap.

FLUX.2 [flex]

• + Correctly places the passenger in the back seat as requested.
• + Captures a more professional 'taxi driver' uniform and hat style.
• + Better perspective showing both the interior and the Manhattan street environment.

• − The hands/paws on the wheel look like a strange hybrid of human hands and animal fur.
• − The passenger's face is slightly less detailed and more generic than Model A.
• − The reflection/lighting on the car exterior is a bit busy and distracting.

FLUX.1 [dev]

• + Excellent thorn border and vibrant jack-o-lantern lighting
• + Vibrant, high-contrast colors and cinematic feel
• + Strong illustrative style

• − Significant text errors including 'Falloween Ranty' and 'You Tre'
• − Formatting of date and time includes redundant characters and errors
• − Missing the webs mentioned in the prompt

FLUX.2 [flex]

• + Perfect text rendering for all requested details and banner text
• + Accurate representation of 'dark parchment' and gothic aesthetic
• + Excellent inclusion of all prompt elements like webs and skulls

• − The jack-o-lantern rendering is slightly more basic than Model A
• − Composition is a bit bottom-heavy with small text

FLUX.1 [dev]

• + Excellent soft lighting and refined textures.
• + High visual appeal with a clean, centered 3D aesthetic.
• + High-quality rendering of the diorama base and background.

• − Text rendering is inaccurate and includes hallucinations.
• − The sushi variety is repetitive, using only one type of nigiri.
• − Included extra flowers not explicitly requested.

FLUX.2 [flex]

• + Perfect adherence to text instructions with no spelling errors.
• + Greater variety in sushi types including maki and different nigiri.
• + Very clean isometric composition and bold, clear graphics.

• − Lighting is slightly flatter compared to Image A.
• − The 'Japan' text is perhaps slightly too large relative to the diorama.

FLUX.1 [dev]

• + Cohesive, illustrative art style with consistent character design.
• + Strong warmth and saturated color palette.

• − Failed the 'hyper-photorealistic' part of the prompt by looking like a 3D animation/cartoon.
• − Missing the kitten entirely, substituting it with two puppies.
• − Creatures look more like toys or characters than real animals.

FLUX.2 [flex]

• + Excellent adherence to the 'hyper-photorealistic' requirement with realistic fur and textures.
• + Accurately includes all four requested animals: puppy, kitten, bunny, and fox kit.
• + Beautifully rendered lighting effects with god rays and dew sparkles.

• − The fox's front left leg has a slight anatomical clipping issue against its body.
• − The butterflies appear somewhat flat compared to the realism of the animals.

FLUX.1 [dev]

• + Excellent typography style that fits the 'vintage' and 'retro' keywords
• + Includes all requested elements including banner and steam
• + Good use of subtle paper texture in the background

• − Significant spelling errors in the main brand name ('Flarilaan') and bottom text ('Reseaurant')
• − Addition of random numbers (11011, 1941) that were not in the prompt

FLUX.2 [flex]

• + Perfect text rendering with zero spelling errors
• + Clean, minimalist vector aesthetic that adheres to the prompt
• + Well-balanced arching typography and banner placement

• − The line weight on the steam is a bit thin compared to the rest of the logo
• − Less detailed textures than Model A

FLUX.1 [dev]

• + Features a more complex, artistic layout for a single-page poster.
• + Includes a dedicated iconography bar at the bottom.
• + Accurately uses the requested NASA-inspired muted color palette.

• − The text is almost entirely illegible gibberish.
• − The scientific content is nonsensical, featuring planets that look like Saturn and Mars instead of the Earth-Moon trajectory.
• − The layout is cluttered and difficult to follow as an infographic.

FLUX.2 [flex]

• + Excellent text rendering with clear, legible titles and labels.
• + Follows the logical progression of the Apollo 11 mission steps accurately.
• + Clean, modern vector aesthetic that aligns perfectly with the 'flat-vector' request.

• − Missing the final step (Landing) in the visual sequence.
• − The layout is a bit simplistic, using a basic grid rather than a more creative infographic path.