FLUX1.1 [pro] Black Forest Labs vs GPT Image 1.5 OpenAI

FLUX1.1 [pro]

• + Excellent photorealistic texture on the book cover and wood grain.
• + Highly detailed glass refractions and reflections with high clarity.
• + Dramatic, professional-style lighting and bokeh.

• − The 'cube' is significantly taller than it is wide, appearing more like a rectangular prism.
• − The sphere is levitating rather than sitting on a surface, which might be an unintended interpretation.

GPT Image 1.5

• + Perfectly adheres to the 'cube' geometry with equal dimensions.
• + Realistic physical interaction with the sphere resting on the bottom of the glass.
• + Accurately represents the soft window light from the left as requested.

• − The plant visibility through the glass looks slightly flat/less refractive than Model A.
• − Overall image sharpness and texture detail are slightly lower than competitors.

FLUX1.1 [pro]

• + Excellent atmosphere and cinematic lighting.
• + Good adherence to 'imperfect framing' with the subjects positioned off-center.
• + Captures reflections and a wet street aesthetic effectively.

• − Serious anatomical and structural failures: the man's legs and the bicycle frame are nonsensical and mangled.
• − The bicycle is missing its rear wheel entirely.

GPT Image 1.5

• + High anatomical and structural realism in both the man and the bicycle.
• + Great attention to detail with the repair tools and the 'light rain' visible on the man's jacket.
• + Accurate representation of the requested 50mm shallow depth of field.

• − Lacks the requested 'motion blur from passing cars' as the vehicle in the background is static.
• − Framing is more conventional and less 'imperfect' than requested.

FLUX1.1 [pro]

• + Extremely lifelike eye textures and reflections
• + Excellent skin pore and individual hair strand resolution
• + Subtle and realistic dirt application

• − Missed the beaded hair requirement almost entirely
• − The armor engraving is less ornate compared to the competition

GPT Image 1.5

• + Excellent adherence to the 'hair braided with small beads' prompt
• + Beautiful ornate engraved plate armor with visible leather straps
• + Better representation of warm torchlight and glowing bokeh

• − Scars look slightly painted on rather than integrated into the skin
• − The hair textures are a bit clumped and less realistic than the other model

FLUX1.1 [pro]

• + Excellent presentation for a marketing mockup
• + Follows the 'grid' request for photos very well
• + Dynamic layout with depth using shadows and cutlery

• − Text is largely illegible and contains gibberish
• − The section headings do not accurately reflect the prompt (e.g., 'Man & Dreafry')

GPT Image 1.5

• + Perfect text rendering with clear, readable fonts
• + Accurate adherence to all requested sections: Appetizers, Pizza, and Mains
• + Clear, high-quality food photography

• − Slightly more traditional layout than 'modern minimalist' requested
• − The grid of photos is restricted to the side rather than being integrated into the main design

FLUX1.1 [pro]

• + Excellent typography rendering with clean, professional neon effects
• + High-quality photographic texture on the burger patties and bun
• + Clear, uncluttered composition with a good sense of depth

• − Failed to create an 'exploded' view; the burger is mostly assembled
• − Includes redundant text by repeating 'Magic Burger' twice
• − Missing the starburst element for the price

GPT Image 1.5

• + Perfectly captures the 'exploded' effect with all components suspended separately
• + Accurately includes all requested text elements, including the fiery starburst
• + Strongly adheres to the fiery/burning atmosphere requested in the prompt

• − The image is slightly oversaturated and busy
• − The 'Magic Burger' text at the top is partially cropped

FLUX1.1 [pro]

• + Excellent background depth and atmospheric lighting in the café setting.
• + Clean and legible text rendering.

• − Failed the prompt by splitting the 'Grilled Octopus' item into two separate lines with incorrect prices ($228 and $98).
• − Text looks more like a digital font overlay than real chalk on a board.
• − Added extra text 'Chipkies' that is misspelling 'Cookies'.

GPT Image 1.5

• + Perfect adherence to the menu item list and prices.
• + Realistic chalk texture with dusty smudges and varying pressure.
• + Authentic handwriting style that matches the 'hand-drawn' request.

• − The composition is a tight crop, showing less of the 'cozy café' environment.
• − Minimalist background compared to the other model.

FLUX1.1 [pro]

• + Excellent high-contrast cinematic lighting and atmospheric clouds.
• + High level of detail in the horse's fur and the astronaut's suit.

• − Failed the negative constraint: the astronaut is on top of the horse instead of the horse on top of the astronaut.

GPT Image 1.5

• + Highly detailed space environment including planets, nebulae, and a lunar lander.
• + Sharp rendering of textures on the lunar surface and asteroid debris.

• − Failed the negative constraint: the astronaut is on top of the horse instead of the horse on top of the astronaut.
• − Anatomical issues with the horse's front legs and hoof structure.

FLUX1.1 [pro]

• + Excellent atmospheric lighting and bokeh effect through the windshield
• + High aesthetic quality with clean textures and a cinematic feel
• + Accurate interpretation of the 'bored' expression for the human character

• − The capybara and the passenger appear to be sitting side-by-side in the front seat instead of front/back.
• − One paw is missing from the steering wheel, failing the 'both front paws' prompt.
• − The perspective feels cramped and less like a realistic vehicle interior.

GPT Image 1.5

• + Perfect adherence to the spatial requirements, showing front seat vs back seat layout.
• + Exactly follows the instruction for 'both front paws on the steering wheel'.
• + Great detail on the capybara's professional expression and specifically requested clothing.

• − The passenger's face and hands are slightly soft/blurry compared to the foreground.
• − Overall lighting is a bit flatter and less cinematic than the competitor.

FLUX1.1 [pro]

• + Includes all elements of the prompt including the thorn border and bats
• + High contrast lighting on the jack-o-lantern

• − Significant text errors including redundant 'Party' word and repetitive event details
• − Graphic design layout is unbalanced with too much black space at the bottom
• − Failed the square format request, producing a portrait-oriented poster

GPT Image 1.5

• + Excellent layout that follows the square format request perfectly
• + Accurate and well-rendered text for all requested fields
• + Superior gothic aesthetic with a convincing dark parchment texture

• − The jack-o-lantern is slightly off-center
• − The 'thorns' in the border are somewhat repetitive in texture

FLUX1.1 [pro]

• + Excellent adherence to the 'cartoon' and 'soft refined texture' style requirements.
• + Perfectly clean and minimalist aesthetic for the diorama base.
• + High-quality text rendering for 'JAPAN' and 'SUSHI'.

• − Missed the request for a flag icon.
• − The garnish includes items like tomatoes which are not typical for sushi.

GPT Image 1.5

• + Includes the requested flag icon.
• + Rich, realistic PBR materials with impressive texture on the wood and ceramics.
• + Excellent 45-degree isometric composition with more complex accessories like the teapot and soy sauce.

• − The scene is much busier than the 'minimal' request.
• − The 'cartoon' style specified in the prompt is less apparent, leaning more toward realism.

FLUX1.1 [pro]

• + Excellent backlighting and bokeh effect
• + Clean and aesthetically pleasing composition

• − Failed to include the fox kit requested in the prompt
• − Animals are sitting still rather than 'tumbling together'

GPT Image 1.5

• + Excellent prompt adherence including all four specific animals
• + Captures the 'tumbling together' action much better
• + Beautiful god rays and dew sparkles as requested

• − Some minor anatomical blending where the animals overlap
• − The butterfly sizing is slightly inconsistent

FLUX1.1 [pro]

• + Excellent vintage illustrative style with fine cross-hatching detail
• + Beautiful border ornamentation that enhances the vintage aesthetic
• + The layout is balanced and traditional.

• − Serious spelling error in the primary brand name (FRATILIAN instead of FLORIAN)
• − The steam is very faint and hard to see

GPT Image 1.5

• + Perfect text rendering of the restaurant name
• + Cleverly integrated 'Est. 1720' into a clear banner as requested
• + Strong contrast and clean vector style elements

• − Failed to follow the 'light background' prompt, opting for black instead
• − The texture is a bit blotchy on the dome rather than 'subtle'

FLUX1.1 [pro]

• + Excellent vector art style with professional, clean lines.
• + Captures the NASA navy and light gray palette well.
• + Creative use of a large central moon with connecting data points.

• − Text is largely unintelligible and includes many typos (e.g., 'Apolo 1', 'Infor the').
• − The sequence logic and iconography are messy and redundant (listing '1' twice).
• − Failed to include clear, distinct icons for all 6 requested steps.

GPT Image 1.5

• + Perfect adherence to the 6 requested steps with clear, legible text.
• + Consistent iconography following the requested flat-vector style.
• + Accurate names of the astronauts and location (Tranquillity) added intelligently.

• − Composition feels more like a collection of comic panels than a single cohesive poster.
• − The silhouette of the earth in 'Earth Orbit' uses a slightly different green that deviates from the strictly requested palette.