FLUX.1 Krea [dev] Black Forest Labs vs Stable Diffusion 3.5 Large Stability AI

FLUX.1 Krea [dev]

• + Perfect adherence to the spatial prompt with the book on top and sphere inside.
• + Highly realistic textures on the wood, book cover, and glass.
• + Sophisticated lighting and shallow depth of field.

• − The plant is more 'behind' than 'partially visible through' the glass due to framing.

Stable Diffusion 3.5 Large

• + Clear visibility of the plant through the glass panels.
• + Clean, modern aesthetic with sharp details.

• − Failed the spatial relational prompt by placing the book inside the cube and the sphere on top of the book.
• − The lighting feels a bit harsh compared to the 'soft window light' request.

FLUX.1 Krea [dev]

• + Excellent depiction of motion blur in the background traffic
• + Natural skin textures and realistic facial hair on the subject
• + Strong adherence to the 'imperfect framing' and 50mm lens look

• − The subject is holding the bike rather than actively repairing it
• − Some lighting inconsistencies on the man's hair given the dim environment

Stable Diffusion 3.5 Large

• + Higher level of detail in skin texture and weathered hands
• + More active interaction with the bicycle suggesting a repair action
• + Strong rain effects and pavement reflections

• − Anatomical issue with the man's left leg appearing to vanish into the pavement
• − Background traffic lacks the requested 'motion blur'
• − The bicycle geometry is slightly warped near the handlebars

FLUX.1 Krea [dev]

• + Excellent adherence to the 'beads in hair' prompt
• + Superior skin texture with realistic pores and faint scarring
• + Highly atmospheric lighting with clear bokeh sparks

• − The engraving on the armor is a bit flat compared to the other model
• − The background is quite dark and lacks environmental context beyond lighting

Stable Diffusion 3.5 Large

• + Ornate engraving on the armor is incredibly intricate and deep
• + Good depiction of multiple material layers including chainmail and cloth
• + Strong composition with a sense of a larger army in the background

• − Failed to include the requested small beads in the braided hair
• − The lighting feels more like daylight with a fire nearby rather than warm torchlight
• − The skin texture is slightly smoother and less weathered than requested

FLUX.1 Krea [dev]

• + Excellent structure that mimics a real-world vertical menu layout.
• + Food photography is well-integrated and professionally styled.
• + Uses bold sans-serif fonts and vibrant orange accents as requested.

• − Text consists of gibberish characters upon closer inspection.
• − Includes 'Appetizers' as a section header twice.

Stable Diffusion 3.5 Large

• + Features a very clean, high-end minimalist font for the main headers.
• + The grid layout of food photos is vibrant and creates a strong frame.
• + Includes specific sections for pizza as part of the visual grid.

• − The layout is more of a decorative poster than a functional, readable menu.
• − Significant spelling errors in headers like 'Appetizrs' and 'Maimaes'.

FLUX.1 Krea [dev]

• + Excellent text rendering and placement according to instructions.
• + Strong composition that feels like a professional advertisement.
• + Accurately represents the 'exploded' view with suspended components.

• − The '€6.99' is not inside a starburst as requested.
• − The fire effect feels a bit more like a static background layer than integrated lighting.

Stable Diffusion 3.5 Large

• + High visual quality with realistic textures on the cheese and patty.
• + Dynamic lighting with flames interacting with the burger components.
• + Good sense of heat and motion with the embers and sparks.

• − Completely failed to include any of the requested text.
• − Failed to produce the 'exploded' view; the burger is mostly assembled.
• − The starburst element is missing entirely.

FLUX.1 Krea [dev]

• + Excellent text legibility and accuracy of the specific menu items.
• + Realistic chalk texture and handwriting variation as requested.
• + Matches the specific date 'April 30, 2026' perfectly.

• − Includes several hallucinations of menu items not in the prompt.
• − The cursive for the title is quite basic rather than 'elegant'.

Stable Diffusion 3.5 Large

• + Beautiful environmental composition showing the 'cozy café' context.
• + Good visual balance and aesthetic appeal of the café setting.

• − Failed significantly on text rendering with many spelling errors (e.g., 'TODAAY', 'Ottpups', 'Cholulu').
• − Incorrect date (2024 instead of 2026).
• − The font appears more digital/uniform than natural chalk handwriting.

FLUX.1 Krea [dev]

• + High visual clarity and realistic lighting on the space suit
• + Followed the negative constraint partially by having the horse appear as a mechanical hybrid
• + Excellent resolution and sharp textures

• − Failed the core 'horse on top' prompt instruction
• − Glitchy anatomy where the horse legs emerge from the mechanical torso

Stable Diffusion 3.5 Large

• + Beautiful cinematic atmosphere with stardust and nebula effects
• + Good composition with a sense of motion through space
• + Coherent horse anatomy compared to the other model

• − Completely failed the 'horse on top' prompt instruction
• − Low contrast between the horse and the busy background

FLUX.1 Krea [dev]

• + Follows all prompt instructions, including the presence of the businesswoman in the back seat.
• + The capybara's hands are correctly placed on the steering wheel.
• + Captures the requested 'calm, professional expression' perfectly.

• − Included an extra woman in the front passenger seat which was not requested.
• − The taxi light on top of the car is oddly shaped and placed.

Stable Diffusion 3.5 Large

• + Excellent fur texture and sharp lighting on the capybara.
• + Colors are vibrant and the blurred background is well-executed.

• − Failed to include the businesswoman in the back seat entirely.
• − The paws are not correctly gripping the steering wheel as requested.
• − The capybara appears to have human legs and jeans, which looks uncanny.

FLUX.1 Krea [dev]

• + Excellent gothic typography that feels integrated into the design
• + High-quality, polished illustration of the jack-o-lantern and bats
• + Effective use of atmospheric lighting and a coherent spooky border

• − Several spelling errors and grammatical repetitions in the text
• − The main title is distorted into 'Pasty Halloween'

Stable Diffusion 3.5 Large

• + Successfully renders the deckled edge parchment paper texture
• + Detailed and moody background with the large moon and twisted trees
• + The text in the scroll banner is perfectly legible

• − Completely failed to include the requested date, time, and location details
• − The central jack-o-lantern is off-center and small compared to the prompt's focus
• − Text font is a bit too modern and lacks a cohesive gothic aesthetic

FLUX.1 Krea [dev]

• + Excellent adherence to the 'top-center large bold text' requirement.
• + Perfectly captures the 'minimal' and 'clean' aesthetic requested in the prompt.
• + Superior rendering of soft, refined PBR textures and gentle lighting.

• − The composition is very simple, featuring only one piece of sushi instead of a variety.
• − The flag is placed in the food rather than as a separate icon.

Stable Diffusion 3.5 Large

• + Rich variety of sushi types and garnishes which feels more complete.
• + Good use of perspective and includes more complex modeling of materials.
• + Accurately includes more elements like chopsticks and a side bowl.

• − Failed to place text at the 'top-center'; instead, put it on a sign to the side.
• − The scene is cluttered and violates the 'minimal' requirement.
• − Background has a slight texture rather than being a 'solid' light blue.

FLUX.1 Krea [dev]

• + Excellent texture on the fur, especially the fox and cats
• + Strong lighting with clear god rays and golden hour atmosphere
• + Very sharp and clean details on the animals and butterflies

• − Failed to include the baby bunny as requested
• − Generated two kittens instead of one kitten and one bunny

Stable Diffusion 3.5 Large

• + Correctly included all four requested animals: puppy, kitten, bunny, and fox
• + Highly dynamic composition with animals appearing to run toward the viewer
• + Captured the 'dew sparkles' effect very effectively in the background

• − The fox's facial features are slightly distorted and look less realistic than the puppy
• − The kitten has a somewhat unusual facial structure compared to a real tabby

FLUX.1 Krea [dev]

• + Excellent hand-drawn etching style that fits the vintage aesthetic.
• + Beautifully detailed cloche with dynamic steam line work.
• + Perfect application of subtle texture and color tones.

• − Serious spelling error in the primary text, spelling it 'FLANOR'IN' instead of 'Florian'.
• − The typography composition is a bit cluttered, overlapping the graphic element.

Stable Diffusion 3.5 Large

• + Successfully spelled 'Caffé Florian' near perfectly.
• + Clean, minimalist vector style that adheres well to a logo format.
• + Accurate inclusion of all requested elements including the cloche, banner, and date.

• − The 'Caffé' has an extra 'e' appearing as 'Cafféé'.
• − The graphic design of the cloche and steam is very basic and lacks the 'vintage' charm of the competitor.

FLUX.1 Krea [dev]

• + Features large, legible title text and numerical ordering
• + Captures a playful, clean vector aesthetic
• + Better adherence to the requested color palette

• − Icons do not match descriptions (e.g., Saturn with rings instead of Saturn V rocket)
• − Layout is disorganized with random numbering and nonsensical graphics
• − Lacks the technical 'infographic' feel requested

Stable Diffusion 3.5 Large

• + Matches the layout and complexity of a technical infographic
• + Includes a detailed rocket illustration and multiple planetary bodies
• + Stronger visual composition with clear alignment and structure

• − Text consists entirely of garbled, illegible characters
• − Includes a space shuttle/generic rocket instead of the specific Saturn V requested
• − Fails to follow the specific 6-step sequence outlined in the prompt