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

FLUX.1 [schnell]

• + Excellent adherence to the request for the red book sitting on top of the cube.
• + High visual quality with realistic glass refraction and material textures.
• + Clear implementation of the blue sphere inside the cube.

• − Added an extra blue sphere on top of the book that was not requested.
• − The plant is mostly above rather than behind the cube, though still visible.

Stable Diffusion 3.5 Large

• + Successfully placed a blue sphere inside a glass enclosure.
• + Good representation of the soft window light from the left.
• + Realistic wood texture on the table.

• − Failed the spatial instruction by placing the cube on top of the book instead of the book on the cube.
• − The 'cube' looks more like a display case or cover than a solid glass object.
• − The red book is much larger than depicted in typical prompt interpretations.

FLUX.1 [schnell]

• + Excellent anatomical accuracy in the hands and face
• + Superior rendering of wet pavement and realistic reflections
• + High level of detail in the bicycle mechanics

• − Missed the motion blur requirement for passing cars
• − Rain effect is very subtle to the point of being almost invisible

Stable Diffusion 3.5 Large

• + Successfully captures visible rain and atmospheric wetness
• + Better adherence to the motion blur request for the background vehicles
• + Good sense of 'imperfect framing' and candid composition

• − Severe anatomical issues with the man's hands merging into the bicycle
• − The bicycle's architecture is physically impossible with mismatched frame segments
• − The skin texture on the arms appears overly distorted and burnt

FLUX.1 [schnell]

• + Extremely sharp facial textures and lifelike iris details.
• + Effective use of warm lighting and narrow depth of field for a cinematic feel.
• + Successfully captures the 'battle-worn' look through skin texture and expression.

• − The armor is largely cropped out, missing the 'engraved plate' focal point.
• − The beads in the hair are represented by metal rings rather than distinct beads.

Stable Diffusion 3.5 Large

• + Excellent depiction of ornate engraved plate armor as requested.
• + Better framing for a paladin, showing the full harness and underlayers.
• + Follows the hair braiding instruction more accurately with complex braids.

• − The facial skin texture is slightly smoother and less realistic than Model A.
• − Lighting feels a bit flatter despite the background fires.

FLUX.1 [schnell]

• + Strong minimalist aesthetic with a clean white professional layout.
• + Clear grid structure for food photos as requested.
• + Fonts are modern, legible, and consistent with the casual dining theme.

• − The word 'Mains' is replaced by the hallucinated word 'ORFEFUS'.
• − The food images lack high-resolution detail upon closer inspection.

Stable Diffusion 3.5 Large

• + High-quality, vibrant food photography that captures the 'casual dining' feel.
• + Excellent bold sans-serif typography for the main header.
• + Good use of color accents around the borders.

• − The grid layout is messy, with photos spilling off the edges of the frame.
• − Significant spelling errors in every single section header (e.g., 'MAIMAES', 'APPETIZRS').
• − The composition feels cluttered rather than minimalist.

FLUX.1 [schnell]

• + Excellent photorealistic rendering of food textures.
• + Maintains a clean composition for an advertisement.
• + Includes most of the requested text elements in a legible way.

• − Missed the first letter of 'MAGIC' (shows 'AGIC').
• − The burger is largely assembled rather than a truly 'exploded' view of components.
• − The price is repeated incorrectly as €699 in the starburst.

Stable Diffusion 3.5 Large

• + Strong atmosphere with high-quality fire and ember effects.
• + Very detailed textures on the buns and grilled patties.
• + Good sense of suspension in mid-air above the fire.

• − Completely failed to generate any of the requested text.
• − Failed the 'exploded burger' requirement, showing a stacked double burger instead.
• − The lighting is a bit overly chaotic for a clear commercial ad.

FLUX.1 [schnell]

• + The handwriting style is very realistic with convincing chalk textures
• + Text is centered and large, making it the clear focal point of the image
• + Follows the year '2026' as requested in the prompt

• − Significant spelling errors throughout the menu items
• − The date says 'Pril' instead of April
• − Lacks the 'elegant cursive' requested for the title

Stable Diffusion 3.5 Large

• + The internal environment of the café is well-composed and visually appealing
• + Layout includes decorative frames and more complex chalkboard art
• + Text is legible from a distance though contains errors

• − Failed the date request, showing '2024' instead of '2026'
• − Spelling errors such as 'TODAAY' and 'Muglrrom'
• − Handwriting looks more like a digital font than natural chalk

FLUX.1 [schnell]

• + Perfectly follows the specific role-reversal instruction of the horse riding the astronaut.
• + High quality cinematic lighting and clean subject isolation.
• + Surreal composition that avoids visual clutter.

• − The horse has two heads/necks, which appears to be a generation artifact rather than a stylistic choice.
• − The astronaut's anatomy is a bit abstract and jumbled under the horse.

Stable Diffusion 3.5 Large

• + Excellent atmospheric effects with the stardust and planetary background.
• + Very high level of detail on the space suit and horse textures.
• + Artistically pleasing composition and movement.

• − Fails the negative constraint of the prompt; the astronaut is riding the horse.
• − Not as surreal as requested, following a more traditional sci-fi trope.

FLUX.1 [schnell]

• + Successfully includes both the capybara driver and the businesswoman in the back seat.
• + Accurately captures the 'bored' expression of the passenger and the 'professional' look of the driver.
• + High-quality fur texture and realistic lighting for a night-time taxi interior.

• − The capybara only has one paw near the wheel, not both as requested.
• − The perspective makes the taxi interior feel slightly cramped and distorted.

Stable Diffusion 3.5 Large

• + Strong lighting and vibrant 'New York at night' bokeh in the background.
• + Good clothing detail on the capybara, including the jacket and cap.

• − Completely failed to include the passenger/businesswoman in the back seat.
• − The capybara's anatomy is slightly off, with one paw appearing to grow out of the middle of his chest.
• − The capybara's face looks more like a mix between a rodent and a dog than a pure capybara.

FLUX.1 [schnell]

• + Successfully included all the required event details (Date, Time, Location).
• + Excellent border detail with thorn and web motifs.
• + Clean and legible typography for the header.

• − Significant text errors including 'You invited to a a night of frights' and gibberish 'Fate' and 'Time' lines.
• − The composition feels like a modern graphic design rather than a vintage gothic poster.
• − The background is very sparse with minimal detail in the sky and trees.

Stable Diffusion 3.5 Large

• + Superior aesthetic interpretation of 'dark parchment' and vintage textures.
• + High-quality illustration style for the scroll banner and background scenery.
• + Better adherence to the 'twisted trees' and 'glowing jack-o-lantern' visual requirements.

• − Completely failed to include the event details (Date, Time, Location) at the bottom.
• − Text rendering on the scroll is slightly shaky and contains artifacts/hallucinated characters.

FLUX.1 [schnell]

• + Clean isometric perspective with a perfect diorama base
• + High-quality soft lighting and refined materials
• + Excellent text legibility and clean background

• − Missing the word 'SUSHI' from the text overlay
• − The sushi piece itself looks slightly flat and less realistic compared to the base

Stable Diffusion 3.5 Large

• + Includes all requested text elements
• + Higher level of detail and variety in the sushi types
• + Realistic textures on the rice and fish

• − Ignored the 'solid light blue background' request by adding texture
• − Text is on an object rather than centered at the top as a graphic overlay
• − Diorama base is less 'miniature' in style compared to Model A

FLUX.1 [schnell]

• + Excellent fur texture and crispness in the animals.
• + Rich, vibrant colors that enhance the 'wholesome' vibe.
• + Artistic lighting with a beautiful bokeh effect.

• − Failed to include a rabbit, instead generating two cat-like creatures.
• − The anatomy of the middle-right animal is a hybrid of a kitten and a fox, lacking clear distinction.
• − The scene is static rather than showing them 'playfully chasing' or 'tumbling'.

Stable Diffusion 3.5 Large

• + Successfully included all four requested animal types (puppy, kitten, rabbit, fox).
• + Captured the dynamic 'playfully chasing' action requested in the prompt.
• + Included prominent 'god rays' and dew sparkles as specified.

• − The fox in the background has slightly messy facial features.
• − The butterflies have somewhat simplified wings compared to the animals.
• − The kitten's ears are slightly asymmetrical.

FLUX.1 [schnell]

• + Clean vector-style execution
• + Strong balanced composition suitable for a logo
• + Nice use of subtle texture on the background

• − Failed the primary text prompt, spelling it 'Cafeé Framilan'
• − Incorrect established date '7720' instead of '1720'
• − Missing the steam element requested in the prompt

Stable Diffusion 3.5 Large

• + Accurate spelling of the name and the date 'Est. 1720'
• + Successfully included the steam and cloche icons
• + Excellent vintage paper texture and ornamental details

• − The 'Caffèé' includes an extra accented 'é' not in the prompt
• − The cloche illustration is slightly floating/disconnected in its center section
• − The logo elements are a bit spaced out for a cohesive emblem

FLUX.1 [schnell]

• + Successfully follows the requested flat-vector style with crisp lines.
• + Layout clearly represents a path from launch to landing.
• + Adheres well to the requested navy, white, and muted red color palette.

• − Text is largely illegible gibberish.
• − The rocket icon looks more like a cartoon plane than a Saturn V.
• − Fails to clearly label the specific 6 steps requested.

Stable Diffusion 3.5 Large

• + Higher level of detail in the lunar surface and planet textures.
• + Captured a more technical, 'blueprint' aesthetic.

• − Includes a space shuttle-like vehicle instead of a Saturn V rocket.
• − Extremely cluttered composition that fails to show a clear step-by-step infographic flow.
• − Includes nonsensical visual elements like a planet with rings that do not belong in a moon mission chart.