FLUX.2 [klein] 4B Black Forest Labs vs FLUX1.1 [pro] Ultra Black Forest Labs

FLUX.2 [klein] 4B

• + Excellent photorealistic lighting and shallow depth of field.
• + Accurate material rendering of glass and wood.
• + Perfect adherence to spatial instructions with the sphere resting on the bottom.

• − The glass cube looks more like a small open-top container than a solid cube.

FLUX1.1 [pro] Ultra

• + High resolution and very clean textures on the book spine.
• + Vibrant colors and clear visibility of the plant through the glass.

• − The blue sphere is levitating, which defies realistic physics for the prompt.
• − The perspective of the cube's base feels slightly skewed compared to the table surface.

FLUX.2 [klein] 4B

• + Excellent depiction of light rain and atmospheric depth.
• + Strong textures on the clothing and skin of the subject.
• + Effective use of shallow depth of field for a cinematic look.

• − Failed to include motion blur from passing cars as requested.
• − The bicycle anatomy is slightly warped near the rear wheel and pedal.

FLUX1.1 [pro] Ultra

• + Perfectly captures the requested motion blur from passing cars.
• + Highly realistic reflections on the wet pavement and crosswalk.
• + Accurate bike anatomy and placement of the subject within the environment.

• − The man's posture looks more like he is just holding the bike rather than actively repairing it.
• − The skin texture is slightly smoother and less 'imperfect' than requested.

FLUX.2 [klein] 4B

• + Excellent realization of the braided hair with small beads as requested.
• + High level of detail in the engraved plate armor and leather textures.
• + Effective lighting and bokeh sparks that match the torchlight prompt.

• − The facial scars appear a bit like surface-level marks rather than deep, battle-worn history.
• − The skin texture on the forehead is slightly smoother than expected for a battle-worn character.

FLUX1.1 [pro] Ultra

• − The image failed to load or is a solid black frame.
• − Complete failure to visualize the prompt.

FLUX.2 [klein] 4B

• + Excellent photo quality for individual food items
• + Clean grid layout that maximizes space
• + Clear hierarchical sections for different courses

• − Nonsensical text rendering for headers and menu items
• − The 'Mains' category is repeated twice with different spelling errors

FLUX1.1 [pro] Ultra

• + Legible typography for main headers
• + Realistic presentation as a printed mockup
• + Distinct sections that align well with the prompt requirements

• − Grid layout is a bit chaotic and less 'minimalist'
• − The perspective view makes it harder to read than a flat design

FLUX.2 [klein] 4B

• + Excellent photorealistic texture on the burger bun and meat
• + Dynamic sense of motion with the ember-filled background
• + Correctly included all requested text elements in high quality

• − The main title 'MAGIC BURGER' is horribly misspelled and garbled
• − The burger is slightly tilted but not really 'exploded' into components as requested

FLUX1.1 [pro] Ultra

• + Flawless rendering of text including 'MAGIC BURGER' and '€6.99'
• + Perfect adherence to the 'exploded' composition with separated layers
• + Dramatic lighting and creative use of fiery coals at the base

• − Missing the requested starburst element for the price
• − Small nonsensical watermark-like text at the very bottom

FLUX.2 [klein] 4B

• + Features a very authentic chalk texture with realistic smudges and dust.
• + Successfully captures the requested 'elegant cursive' style for the majority of the text.
• + Excellent overall composition and framing within the wooden board.

• − Several spelling errors including 'Musheram', 'Ootrpous', and 'Brawn Buter'.
• − Spacing issues in the title where it reads 'TODAY'S S TPECIALS'.

FLUX1.1 [pro] Ultra

• + Provides a better environmental context with the café background.
• + The handwriting style is clear and looks like actual chalk ink.
• + Correctly spells 'Brown Butter' which was the start of the truncated prompt.

• − The text is extremely repetitive, doubling up on words and prices.
• − Missing the apostrophe in 'TODAYS' and several other spelling/grammar errors.
• − Fails the 'elegant cursive' requirement, using a more blocky handwriting style.

FLUX.2 [klein] 4B

• + Excellent anatomical details on the horse's musculature and face
• + Clear, high-quality rendering of the astronaut's suit and helmet
• + Well-executed dust particles around the hooves adding a sense of weight

• − The horse lacks protective gear for the space environment, making it less surreal and more logically inconsistent
• − Simplified background interaction with the horizon

FLUX1.1 [pro] Ultra

• + Dynamic and cinematic composition with a rearing horse
• + Beautiful lighting effects and lens flares that enhance the cinematic feel
• + Includes interesting space debris and orbital elements to fill the frame

• − Odd orange object protruding from the astronaut's backpack
• − The white horse's mane looks somewhat artificial compared to the body

FLUX.2 [klein] 4B

• + Perfect camera placement and composition showing both the driver and the passenger in their respective seats.
• + Highly realistic textures on the capybara fur and the woman's coat.
• + Excellent adherence to spatial prompts, placing the woman clearly in the back seat.

• − The steering wheel looks a bit thick and rubbery compared to a real car.

FLUX1.1 [pro] Ultra

• + Clear, vibrant lighting and sharp focus on the capybara.
• + The capybara's hat has specific 'TAXI' text as requested.

• − Major spatial error by placing the passenger in the front seat next to the driver.
• − The passenger's hands are interacting awkwardly with the steering wheel area despite holding a phone.
• − The composition feels cramped and logically inconsistent for a taxi.

FLUX.2 [klein] 4B

• + Atmospheric cinematic lighting that blends the subject and background well
• + High-quality rendering of the jack-o-lantern and thorny border

• − Several severe spelling errors in the main title
• − The year in the date is missing a digit (206 instead of 2026)
• − Missing the 'Time' detail requested in the prompt

FLUX1.1 [pro] Ultra

• + Almost perfect adherence to the requested text for both titles and event details
• + Beautiful parchment scroll effect and thorn border
• + Clear, legible layout with all information present

• − Redundant and misspelled text added below the scroll banner
• − The jack-o-lantern lighting is a bit separate from the background compared to Model A

FLUX.2 [klein] 4B

• + Excellent PBR material textures on the fish and plate
• + Accurate 45 degree isometric perspective
• + High clarity and simple composition

• − Spelling error in the text: 'SUSH' instead of 'SUSHI'
• − The flag icon is incorrect, resembling the Austrian flag instead of Japan
• − Failed to include the requested 'raised diorama base' in a meaningful way

FLUX1.1 [pro] Ultra

• + Correct spelling of all text and accurate Japanese flag icon
• + Followed the 'diorama base' instruction perfectly with a thick white platform
• + Beautiful stylized '3D cartoon' aesthetic with smooth, refined lighting

• − Includes excessive garnish and items, ignoring the 'minimal garnish' instruction
• − Lower contrast on the main heading text makes it harder to read against the background
• − Slightly less realistic PBR textures compared to the other model

FLUX.2 [klein] 4B

• + Excellent variety in animal postures following the 'tumbling/chasing' part of the prompt.
• + Detailed fur textures and realistic anatomy for the puppy and fox.
• + Strong interpretation of the sun rays and dew sparkles.

• − Failed to include a bunny, instead generating two kittens.
• − Anatomy on the kitten's front leg is slightly warped.

FLUX1.1 [pro] Ultra

• + Successfully included all four requested animals: puppy, kitten, bunny, and fox.
• + Very consistent 'big expressive eyes' and cute, whimsical aesthetic.
• + Clean, soft lighting that perfectly matches the 'wholesome' intent.

• − The animals are largely static and sitting rather than 'tumbling together'.
• − The fur texture is a bit smoothed out and less hyper-photorealistic compared to Model A.

FLUX.2 [klein] 4B

• + Clean vector aesthetic that matches the minimalist request.
• + Accurate 'Est. 1720' text within the banner.
• + Excellent use of negative space and subtle paper texture.

• − Failed to spell the main brand name correctly, rendering it as 'FLAXTION'.
• − Redundant repetition of 'Est. 1720' at the bottom.

FLUX1.1 [pro] Ultra

• + Stronger visual composition with a circular emblem design.
• + Sophisticated use of warm brown and cream tones.
• + Artistic illustration of the cloche dome with elegant steam.

• − Misspelled the main brand name as 'Framilian'.
• − The design is quite complex and busy, deviating from the minimalist request.

FLUX.2 [klein] 4B

• + Clean vector illustration style.
• + Effective use of the requested color palette.
• + Crisp graphics for the lunar module and rocket.

• − Severely garbled and nonsensical text rendering.
• − Fails to follow the requested 6-step chronological structure.
• − Includes multiple Earths and lacks clear phase labeling.

FLUX1.1 [pro] Ultra

• + Excellent layout that feels like a professional infographic.
• + Properly rendered main title 'APOLLO 11'.
• + Successfully follows the instruction for iconography and specific mission steps.

• − Small body text is still largely gibberish.
• − The rocket design is more generic and less historically accurate than Model A.
• − Some icons are repeated or disorganized in the bottom half.