FLUX1.1 [pro] Ultra Black Forest Labs vs LongCat-Image Meituan

FLUX1.1 [pro] Ultra

• + Excellent photorealism and texture on the red book
• + Highly accurate refraction and transparency in the glass
• + Perfect adherence to spatial instructions including lighting from the left

• − The blue sphere is levitating rather than sitting on the base
• − Slight dust artifacts on the glass might look like noise to some users

LongCat-Image

• + Natural placement of the blue sphere on the bottom of the cube
• + Strong composition with a clear window light source
• + Solid rendering of the glass thickness

• − The glass refractive logic is slightly inconsistent on the edges
• − The book texture is less detailed than image A

FLUX1.1 [pro] Ultra

• + Excellent execution of long-exposure motion blur on passing vehicles
• + Superior realism in clothing and skin textures
• + High technical clarity and sharp focus on the subject

• − The red bicycle is missing a seat
• − The man's posture is more 'holding' than 'repairing'

LongCat-Image

• + Natural, candid 'street photography' composition with 'imperfect' framing
• + The man is actively engaged in a repair task
• + Atmospheric lighting on wet pavement

• − Significant anatomical errors with the bicycle including three wheels and fused frames
• − Failed to include the requested motion blur on cars
• − Rain effects look like static white lines rather than integrated moisture

FLUX1.1 [pro] Ultra

• − The image failed to load or is a solid black square.
• − Complete failure to provide any visual content.

LongCat-Image

• + Excellent adherence to all prompt details including braided hair with beads, scars, and ornate armor.
• + Impressive material rendering on the metal engravings and leather straps.
• + Strong atmosphere with warm torchlight reflections and dynamic bokeh sparks.

• − The scarring on the face looks slightly artificial/painted on in one spot.
• − The 'close portrait' instruction could have been interpreted as a tighter framing on the face.

FLUX1.1 [pro] Ultra

• + Excellent typography with legible headers and clear hierarchy.
• + Professional layout using a realistic 3D mockup perspective.
• + High-quality, appetizing food photography that looks consistent.

• − Text includes minor spelling errors like 'Pizzzans'.
• − The pizza images are somewhat repetitive in style.
• − Perspective view makes the bottom section slightly harder to read than a flat view.

LongCat-Image

• + Strong use of vibrant color accents as requested.
• + Organized grid layout for food photos.
• + Front-facing, flat orientation is clear for reading composition.

• − Text consists of illegible gibberish characters.
• − Graphic design feels cluttered and less professional.
• − Fonts are erratic and do not follow the 'bold sans-serif' requirement consistently.

FLUX1.1 [pro] Ultra

• + Excellent photorealistic texture on the meat and buns
• + Perfectly rendered and legible text for all three requested elements
• + Strong sense of vertical explosion and motion

• − Missed the starburst element for the price
• − Bottom of the image features unnecessary AI-generated footer gibberish

LongCat-Image

• + Includes the starburst graphic as requested in the prompt
• + Dynamic lighting on the main text with a realistic fiery glow
• + Clean composition without footer artifacts

• − Failed the 'exploded burger' requirement, as components are mostly touching
• − Price text and secondary message are combined into the starburst rather than separate as implied

FLUX1.1 [pro] Ultra

• + Excellent chalk texture and realistic handwriting style.
• + High level of readability for most requested text.
• + Authentic blackboard smudge and wood grain details.

• − Repeated words and phrases creating logical errors (e.g., 'fresh fresh daily').
• − Spelling errors in menu items like 'Truffle mushroomm ris'.

LongCat-Image

• + Strong aesthetic appeal with a warm café background.
• + Good chalk smudging effects on the board edges.

• − Severe spelling hallucinations and garbled text (e.g., 'ToayS STaYS').
• − Incorrect formatting of prices and menu item layout.

FLUX1.1 [pro] Ultra

• + Excellent high-definition details of the horse and space suit
• + Dynamic cinematic composition with a clear view of Earth's atmosphere
• + Smooth lighting and high-quality textures

• − Failed the negative constraint; the astronaut is on top of the horse instead of vice versa

LongCat-Image

• + Vibrant colors and creative space elements like satellites and moon bases
• + Clear foreground and background separation

• − Failed the negative constraint; an astronaut is riding a horse
• − The anatomy of the horse's legs is awkward and distorted
• − Visual artifacts present around the spaceships and planet edges

FLUX1.1 [pro] Ultra

• + Excellent photographic lighting and depth of field
• + High level of texture detail in the capybara's fur and the jacket
• + Cinematic composition with a realistic night atmosphere

• − The woman is placed in the front passenger seat instead of the back seat
• − The capybara's paws are not clearly on the steering wheel as requested
• − The woman is holding the phone over the steering wheel area

LongCat-Image

• + Follows the spatial instructions perfectly with the woman in the back seat
• + Shows both front paws on the steering wheel as requested
• + Accurate depiction of a New York taxi exterior and rooftop sign

• − The woman's hands and face have some slight 'AI melting' artifacts
• − The composition feels a bit cramped compared to the other model
• − The capybara's fur texture is slightly less defined

FLUX1.1 [pro] Ultra

• + Excellent typography style that matches the gothic aesthetic
• + Clean and professional layout within a scroll design
• + Mostly accurate text rendering for the event details

• − Included a duplicate, misspelled line of text 'noickt or a night of frights'
• − Omitted 'Party' from the main title 'Halloween Party Invitation'

LongCat-Image

• + Successfully included the full title 'Halloween Party Invitation'
• + Creative use of negative space with the parchment cutout for the background
• + Stronger thorn and web border details

• − Text at the bottom is cluttered and includes hallucinations like '7um' and 'The Armiees'
• − The 'You are invited...' banner is quite small and lacks the scroll's elegance

FLUX1.1 [pro] Ultra

• + Excellent adherence to the 'miniature 3D cartoon scene' aesthetic with highly sophisticated lighting and textures.
• + Accurately places all requested text and icons clearly with a clean design.
• + Superior composition that feels like a complete diorama with varied elements.

• − Includes some odd artifacts like a small red bug on the wooden board.
• − The sushi rice texture is slightly less defined compared to Model B.

LongCat-Image

• + Great material representation, especially the texture of the salmon and tuna.
• + Followed the minimal garnish and 'sushi' focus very closely.
• + Clean text rendering and clear flag icon.

• − The diorama base is very simple and lacks the 'complete scene' feel of Model A.
• − Lighting is a bit flat and less cinematic than the competitor.

FLUX1.1 [pro] Ultra

• + Excellent soft lighting with convincing god rays and bokeh.
• + Consistent cohesive style across all animals.
• + Good depth of field that emphasizes the '8K masterpiece' aesthetic.

• − The animals look very stylized and 'Disney-like' rather than hyper-photorealistic.
• − The fur texture is a bit too smooth and painterly.
• − The fox and kitten appear almost identical in facial structure.

LongCat-Image

• + Displays more realistic fur textures and distinct features for the different species.
• + Captures the 'playfully chasing' and 'tumbling' aspect of the prompt more dynamically.
• + Stronger adherence to individual animal types, including the bushy fox tail.

• − Anatomical failure on the kitten which has large rabbit ears.
• − The rabbit mentioned in the prompt is missing as a separate entity.
• − The god rays look a bit artificial and over-sharpened compared to the background.

FLUX1.1 [pro] Ultra

• + High visual quality with clean vector-style lines
• + Professional composition with an excellent emblem layout
• + Follows the warm brown and cream color palette perfectly

• − Misspelled the primary text as 'Caffè Framilian'
• − Texture on background is very subtle, almost missing

LongCat-Image

• + Correctly spelled the name 'Caffè Florian'
• + Stronger vintage texture on the background as requested
• + Excellent use of a banner for 'Est. 1720'

• − Redundant text rendering with 'Caffé' appearing three times
• − Cluttered composition where text overlaps elements awkwardly
• − The steam effect is a bit heavy and less 'minimalist'

FLUX1.1 [pro] Ultra

• + Successfully incorporated all six requested steps into the design
• + Matches the requested navy, white, and muted red NASA palette perfectly
• + Features a clean, professional vector aesthetic that resembles a real infographic

• − Text contains several AI hallucinations and garbled words
• − Numerical ordering of steps is inconsistent and non-linear

LongCat-Image

• + Follows the requested color palette well
• + Clearer iconography for the lunar module and the moon

• − Failed to include the requested six-step sequence
• − Layout is more like a simple poster than a complex infographic
• − Text rendering is poor and significantly misspelled