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

FLUX1.1 [pro] Ultra

• + Perfect adherence to all spatial instructions in the prompt.
• + Highly realistic textures on the book cover and the glass edges.
• + Excellent rendering of the plant's appearance through the glass diffraction.

• − The sphere is floating unnaturally without a visible base, which might be a stylistic choice but lacks physical realism.

Stable Diffusion 3.5 Large

• + Realistic lighting and caustic effects from the sphere onto the book.
• + Clear, sharp glass edges.

• − Failed the primary spatial prompt by placing the book inside the cube instead of on top.
• − The sphere is resting on the book rather than just being 'inside the cube' independently.
• − The background is cluttered with many extra books and furniture not requested.

FLUX1.1 [pro] Ultra

• + Excellent execution of long-exposure motion blur on the passing vehicle.
• + Superior rendering of complex reflections on wet asphalt.
• + High photographic clarity and realistic skin tones.

• − The man appears to be leaning on the bike rather than actively repairing it.
• − The framing feels a bit too centered for an 'imperfect' candid request.

Stable Diffusion 3.5 Large

• + Successfully captures the 'repairing' action with a更加 involved pose.
• + Captures the atmosphere of 'light rain' more visibly with falling droplets.
• + Follows the 'imperfect framing' prompt better with an off-center subject.

• − Missed the 'motion blur' requirement for the passing car.
• − Lower overall resolution and slightly mushy textures in the background.
• − Anatomical issues with the man's feet and the bicycle pedal structure.

FLUX1.1 [pro] Ultra

• + Perfect visual representation of 'battle-worn' with intense grime and realistic skin texture
• + Exceptional cinematic lighting with strong torchlight highlights and lens flares
• + Superior macro-detail on the leather and fabric textures

• − The 'beads' in the hair are very subtle and almost meld with the hair strands
• − Extremely shallow depth of field obscures the back half of the head

Stable Diffusion 3.5 Large

• + Excellent engraving detail on the pauldrons and chestplate
• + Very clear depiction of the braided hairstyle
• + Good balance of environment/background bokeh while keeping the subject sharp

• − The skin and hair look a bit too clean/conditioned for a 'battle-worn' character
• − Missing the requested 'beads' in the braids
• − Lighting feels more like daylight with secondary orange hits rather than a primary warm torchlight source

FLUX1.1 [pro] Ultra

• + Excellent professional mockup layout on a clean white background
• + Clear headers for sections like Appetizers and Mains
• + Vibrant and well-lit food photography that looks appetizing

• − Text contains several spelling errors (e.g., 'Pizzans', 'Meere Prer')
• − Small body text is mostly gibberish or garbled characters

Stable Diffusion 3.5 Large

• + Strong grid-based composition for food photos
• + Bold, readable sans-serif header fonts
• + Clean white-space usage in the central column

• − Text rendering is very poor with significant spelling errors in all headers (e.g., 'MAIMAES', 'PNC MALS')
• − The layout feels more like a social media post or poster than a functional restaurant menu

FLUX1.1 [pro] Ultra

• + Excellent typography with perfect spelling and the requested glowing effect.
• + Highly detailed food textures with a clean, professional advertising layout.
• + Successfully incorporates all requested design elements including the price and secondary message.

• − The burger structure is more of a stack than a chaotic 'exploded' view.
• − Includes some small AI hallucinations like incoherent fine print at the bottom corners.

Stable Diffusion 3.5 Large

• + Strong sense of 'fire' and heat with a more integrated background.
• + The floating effect feels dynamic with the sauce droplets.

• − Failed to include any of the requested text elements.
• − Missing the 'exploded' component layering requested in the prompt.
• − Lacks the advertisement composition, looking more like a standard food image.

FLUX1.1 [pro] Ultra

• + The handwriting style is very realistic with convincing chalk texture and natural variations.
• + The year 2026 is rendered correctly as requested.
• + The layout closely follows a single-column menu format common in cafes.

• − Contains significant spelling errors and repetitive gibberish text in the lower half.
• − Failed to render the title in an 'elegant cursive' style, opting for print instead.

Stable Diffusion 3.5 Large

• + The broader cafe environment is aesthetically pleasing and well-composed.
• + The text layout is clean and organized into boxed sections.

• − Failed the date request, rendering 2024 instead of 2026.
• − The text is largely illegible/nonsense ('TODAAY', 'Ottpups', 'Cockies').
• − The handwriting looks more like a digital brush than natural chalk variation.

FLUX1.1 [pro] Ultra

• + Excellent clarity and resolution of textures
• + Dynamic posing with the horse rearing
• + Clean and crisp background with good planetary depth

• − Failed the negative constraint to have the horse on top
• − The astronaut's interaction with the reins is anatomically inconsistent with his hand placement

Stable Diffusion 3.5 Large

• + Stronger cinematic atmosphere with star dust and lighting effects
• + Realistic fabric texture on the astronaut suit
• + Better sense of scale and motion

• − Failed the negative constraint to have the horse on top
• − The horse's face has slight anatomical distortions around the muzzle

FLUX1.1 [pro] Ultra

• + Excellent fur texture and photographic lighting.
• + Successfully included both the driver and the passenger as requested.
• + Realistic bokeh effect on the New York street background.

• − The passenger is holding the steering wheel instead of sitting in the back seat.
• − The capybara's head is fused with the car frame and its body proportions are awkward.

Stable Diffusion 3.5 Large

• + Strong prompt adherence for the capybara's outfit and positioning at the wheel.
• + Good interior taxi details like the dashboard and door handle.
• + Creatively interpreted the capybara with human-like clothing layers.

• − Completely failed to include the businesswoman in the back seat.
• − The capybara's anatomy becomes confused near the lap area.
• − The hat logo is nonsensical gibberish.

FLUX1.1 [pro] Ultra

• + Most accurate text rendering of all requested details including date, time, and location.
• + Excellent composition with a focused, glowing jack-o-lantern and clean gothic typography.
• + Very high visual quality with intricate thorns and a web border that fits the vintage parchment theme.

• − Redundant text repetition in the middle of the scroll (e.g., 'noickt or a night of frights').
• − Missing the word 'Party' in the main heading.

Stable Diffusion 3.5 Large

• + Dramatic and atmospheric lighting with a large moon and twisted trees.
• + Great aesthetic interpretation of a 'dark parchment' with torn, weathered edges.
• + Includes all words in the main title: 'Halloween Party Invitation'.

• − Failed to include the specific event details (Date, Time, Location) at the bottom.
• − Text inside the scroll banner becomes garbled and messy at the end.
• − Composition is a bit cluttered, making the text harder to read against the busy background.

FLUX1.1 [pro] Ultra

• + Excellent typography integrated into the background as requested.
• + Clean, professional miniature aesthetic with soft, refined 3D textures.
• + Perfect adherence to the isometric perspective and diorama layout.

• − Includes a strange, small insect or bug detail on the wooden board.
• − Rice texture is slightly lumpy rather than individual grains.

Stable Diffusion 3.5 Large

• + Realistic food textures, especially the salmon and rice grains.
• + Large variety of sushi types on the platter.

• − Failed to place text as part of the background, instead putting it on a small sign.
• − Perspective is more of a standard 3/4 view rather than a strict 45-degree isometric top-down.
• − The flag is placed in the food rather than as an icon with the text.

FLUX1.1 [pro] Ultra

• + Excellent fur texture and lighting integration on all baby animals.
• + Very cute, cohesive art style that fits the 'wholesome vibe' perfectly.
• + Captures all four requested animals clearly with distinct features.

• − The animals are mostly sitting rather than 'playfully chasing' or 'tumbling' as requested.
• − The lighting and proportions feel more like a Pixar CGI render than 'hyper-photorealistic'.

Stable Diffusion 3.5 Large

• + Better adherence to the 'chasing' and 'tumbling' action in the prompt.
• + Higher level of realism in the fur and environment textures.
• + Includes visible 'dew sparkles' and more dynamic movement.

• − The fox kit's face in the background is slightly distorted and less detailed.
• − One butterfly appears to be awkwardly growing out of the rabbit's ear.

FLUX1.1 [pro] Ultra

• + High-quality vector illustration style
• + Excellent use of warm brown and cream tones
• + Clean, balanced composition suitable for a professional logo

• − Spelling error in the main brand name: 'Framilian' instead of 'Florian'
• − The 'Est. 1720' is not on the banner as requested, but placed below it

Stable Diffusion 3.5 Large

• + Accurately spelled the brand name 'Florian' (though added an extra 'e' to Caffé)
• + Includes subtle textures on the background as requested
• + Follows the banner layout instruction for the text

• − Visual quality is lower with jagged edges on the dome and steam
• − The cloche dome is floating awkwardly and merged with abstract lines
• − Typography is less sophisticated and lacks a premium 'vintage' feel

FLUX1.1 [pro] Ultra

• + Stronger adherence to the flat-vector style requested.
• + Legible main headings that closely follow the prompt's steps.
• + Excellent use of the NASA-inspired color palette.

• − Nonsense filler text in the body paragraphs.
• − Logically confusing layout with icons appearing in random locations on the page.

Stable Diffusion 3.5 Large

• + High level of intricate detail within the technical diagrams.
• + Consistent vintage-technical aesthetic throughout the composition.

• − Failed to follow the flat-vector style, opting for a complex illustrative look.
• − Included incorrect hardware like a Space Shuttle instead of a Saturn V.
• − Failed to provide the specific 6-step numbered list requested.