FLUX1.1 [pro] Black Forest Labs vs Stable Diffusion 3.5 Medium Stability AI

FLUX1.1 [pro]

• + Perfect prompt adherence with the red book placed correctly on top of the cube.
• + High-quality rendering of glass reflections and refraction of the plant behind it.
• + Excellent composition and realistic textures on the book and wooden table.

• − The glass container is more of a rectangular prism than a perfect cube.
• − The blue sphere appears to be floating mid-air inside the glass.

Stable Diffusion 3.5 Medium

• + Good rendering of the glass material and table texture.
• + The plant is correctly positioned behind the object.

• − Failed to place the red book on top of the cube; instead, a red platform is inside the cube.
• − The blue sphere is sitting on the red object rather than being a separate element as implied by the spatial layout.
• − The composition feels slightly cropped and less polished than Model A.

FLUX1.1 [pro]

• + Excellent bokeh and realistic city lights background.
• + Realistic skin texture and garment fabric details.
• + Good depiction of wet pavement and atmospheric reflections.

• − The bicycle structure is anatomically broken, with the frame missing its rear half.
• − The man's hands have significant anatomical errors and poor grip logic.

Stable Diffusion 3.5 Medium

• + Successfully captures the feeling of light rain with visible streaking.
• + Better overall bicycle structure and placement in the scene.
• + Effective use of 'imperfect framing' which adds to the candid aesthetic.

• − Faces and hands lack fine detail and appear slightly smudged.
• − Lower resolution and more painterly texture compared to the photorealistic requirement.
• − The reflection on the ground doesn't perfectly align with the bike's position.

FLUX1.1 [pro]

• + Incredible skin texture and realistic eye detail
• + Excellent implementation of warm torchlight reflections
• + Very high visual clarity and lifelike quality

• − The braiding is messy and lacks the requested beads
• − Extreme close-up cuts off much of the ornate armor details

Stable Diffusion 3.5 Medium

• + Clearly defined braids that follow the prompt well
• + Beautifully detailed engraving on the plate armor
• + Good composition showing more of the leather straps and armor

• − Missing the specific 'beads' in the hair
• − Overall image looks more like a digital painting than a lifelike photo
• − Lighting is flatter compared to the 'warm torchlight' request

FLUX1.1 [pro]

• + Excellent presentation for a menu with realistic flat-lay cutlery and professional depth of field.
• + Clean typography that mimics a real menu layout with clearly defined categories.
• + High-quality, appetizing food photography that looks commercially viable.

• − Text contains gibberish words and spelling errors like 'Restarnvens' and 'Dreafry'.
• − The food photo grid is a bit cramped at the bottom of the page.

Stable Diffusion 3.5 Medium

• + Strong adherence to the grid layout request for food photos.
• + Clean, minimalist white background across the entire design.

• − Text is highly distorted and illegible with poor character rendering.
• − The overall image quality is lower with visible noise and less refined visual details.
• − The fonts used are inconsistent and do not feel like professional sans-serif choices.

FLUX1.1 [pro]

• + Excellent photorealistic texture on the meat and bun
• + Clean typography with correct spelling for the most part
• + Professional commercial lighting and depth of field

• − Failed the 'exploded' instruction as the layers are mostly stacked
• − Missing the starburst for the price tag
• − Includes redundant neon text that contradicts the 'fiery' style request

Stable Diffusion 3.5 Medium

• + Successfully included a starburst element for the price
• + Stronger fiery background and ember effects
• + Accurate text rendering for all requested phrases

• − Failed the 'exploded' instruction as the burger is fully assembled
• − The starburst is a simple white graphic rather than a glowing fiery effect
• − Lower resolution/clarity in the burger textures compared to the competitor

FLUX1.1 [pro]

• + Excellent legibility with mostly correct spelling.
• + Captures the clean, elegant cursive requested for the title.
• + Good color and lighting for a cafe environment.

• − Repeated the Grilled Octopus line unnecessarily and hallunicated prices of $228 and $98.
• − The text looks more like a digital font overlay than physical chalk texture.

Stable Diffusion 3.5 Medium

• + Substantial chalk texture and realistic smudge effects on the board.
• + Excellent creative chalk calligraphy style for the headers.
• + Followed the layout requirements including the framing/lighting.

• − Poor spelling and character rendering (e.g., 'Trodalu', 'Oocclutels').
• − The date 'APRIL 30, 2026' is garbled and unreadable.
• − Layout is a bit cluttered with redundant columns.

FLUX1.1 [pro]

• + Excellent cinematic lighting and texture detail on the space suit and horse hair.
• + Dynamic composition with a sense of motion and scale.
• + Highly detailed background with planets and nebulae.

• − Completely failed the negative constraint to have the horse on top.
• − Anatomical issues where the horse's front legs merge awkwardly into the body.

Stable Diffusion 3.5 Medium

• + Features a more expansive 'space' view with the Earth's curve.
• + Clean rendering of the astronaut suit.

• − Completely failed the negative constraint to have the horse on top.
• − Severe anatomical artifacts with the horse's legs appearing elongated and segmented.
• − The horse lacks shadow or interaction with the astronaut, appearing flatly pasted.

FLUX1.1 [pro]

• + Excellent composition with a natural perspective from the back seat.
• + Superior lighting and bokeh effect in the background city lights.
• + Accurate character placement with high-quality skin and fur textures.

• − The capybara is positioned as a passenger rather than in the driver's seat.
• − The steering wheel is not clearly visible.

Stable Diffusion 3.5 Medium

• + Correctly places the capybara in the driver's seat with paws on the wheel.
• + Strong adherence to the specific 'driver' role and frontal framing.
• + Highly detailed embroidery on the taxi driver cap.

• − The human passenger in the back is out of focus and lacks detail.
• − Anatomy of the capybara's paws appears somewhat distorted.

FLUX1.1 [pro]

• + Excellent cinematic lighting and atmosphere with a high-quality illustration style.
• + The thorny border and twisted trees are intricately rendered and aesthetically pleasing.
• + Correct date and location text adherence.

• − The text is repetitive, listing the date, time, and location twice.
• − Failed to include the 'Invitation' portion of the prompt's title text properly on the banner.

Stable Diffusion 3.5 Medium

• + Clearer use of the parchment/scroll element as requested in the prompt.
• + Captures the spiderweb and bat elements effectively within the composition.

• − Numerous spelling errors including 'Halloweeen', 'Inviloween', 'Timme', and 'Loccation'.
• − Visual quality is lower with flat, less detailed illustrations compared to the competitor.
• − The date '226' is incorrect compared to the requested '2026'.

FLUX1.1 [pro]

• + Excellent adherence to the 'miniature 3D cartoon' and 'isometric diorama' style
• + Accurate text rendering and placement as requested
• + Clean, soft textures that match the PBR material description

• − Missing the specific small flag icon mentioned in the prompt

Stable Diffusion 3.5 Medium

• + Features a flag-like red circle on the sushi which nods to the Japanese flag
• + Vibrant colors and strong lighting

• − Failed the text hierarchy, making 'SUSHI' larger than 'JAPAN'
• − Background has noticeable noise and is not a 'solid' clean light blue
• − Subject is not on a raised diorama base as requested

FLUX1.1 [pro]

• + Exceptional backlighting and soft focus that creates a dreamlike, joyful atmosphere.
• + Incredible detail in the fur texture and moisture in the eyes.
• + Naturalistic composition that feels light and airy.

• − Failed to include the red fox kit as requested in the prompt.
• − The 'butterflies' appear more like glowing yellow moths or generic light particles.

Stable Diffusion 3.5 Medium

• + Captured a wider variety of animals, including the fox and a cat-rabbit hybrid.
• + High color saturation and clear rendering of butterflies.
• + Good inclusion of 'god rays' in the background.

• − Anatomical issues, particularly the kitten which has oversized rabbit-like ears.
• − The fur texture appears more illustrative and 'plastic' compared to the photorealistic request.
• − Lacks the sense of 'tumbling together' action requested.

FLUX1.1 [pro]

• + Elegant vector illustration style
• + Excellent color palette and balance
• + Clear typography for established date

• − Misspelled the primary name as FRANILIAN

Stable Diffusion 3.5 Medium

• + Stronger vintage aesthetic with hatching
• + Includes a coffee cup detail
• + Name spelling is much closer to original prompt

• − Incorrect year in the date banner
• − Composition is a bit crowded and heavy

FLUX1.1 [pro]

• + Strong composition with a clear central focal point and balanced info callouts.
• + Excellent color palette adherence using navy, white, and muted red.
• + Clean vector aesthetic with crisp lines and modern typography.

• − Text content contains several typos and repeated step numbers (e.g., multiple '6' steps).
• − The 'Saturn V' icon is misinterpreted as a cartoonish generic rocket.

Stable Diffusion 3.5 Medium

• + Successfully used red as an accent color in the trajectory lines.
• + Includes icons for each stage along the left margin.

• − The infographic structure is chaotic and doesn't follow a logical timeline.
• − Text is mostly gibberish or misspelled, failing on technical clarity.
• − Composition is unbalanced with a large, undetailed sphere cutting off the right side.