FLUX.1 [schnell] FP8 Black Forest Labs vs Stable Diffusion 3.5 Medium Stability AI

FLUX.1 [schnell] FP8

• + Excellent photorealism and high visual quality.
• + Realistic handling of light and reflections within the glass.
• + Accurately places the green plant behind the cube as requested.

• − The cube is elongated, appearing more like a rectangular prism than a perfect cube.
• − The blue sphere is resting on a shelf inside the cube rather than appearing as a simple sphere inside.

Stable Diffusion 3.5 Medium

• + Correctly adheres to the 'cube' geometry.
• + Captures the levitating or centered placement of the blue sphere well.

• − Lower overall image quality with visible grain and less realistic lighting.
• − The sphere has strange artifacts and lacks a coherent light source reflection.
• − The plant is visible behind the cube but the glass refraction is less convincing.

FLUX.1 [schnell] FP8

• + Excellent anatomical details on the man's hands and face
• + Superior technical realism for the red bicycle's construction
• + Very realistic reflections and high-quality background bokeh

• − Fails to include visible rain or motion blur requested in the prompt
• − Composition feels a bit too clean and centered for 'imperfect framing'

Stable Diffusion 3.5 Medium

• + Successfully captures the light rain and motion blur for passing cars
• + Effective use of 'imperfect framing' and cinematic composition
• + Strong adherence to the wet, moody atmosphere requested

• − Anatomical errors in the hands and facial features
• − The bicycle design is inconsistent and lacks structural logic in several places

FLUX.1 [schnell] FP8

• + Exceptional sharpness and clarity in the facial features and skin texture
• + Strong emotional intensity in the eyes and expression
• + Highly detailed engraving on the leather and armor trim

• − Missed the request for braided hair
• − The 'armor' looks more like leather and fabric than plate metal
• − Bokeh sparks from the prompt are mostly missing or generic

Stable Diffusion 3.5 Medium

• + Excellent adherence to all prompt elements including braids, scars, and bokeh sparks
• + Realistic metallic sheen on the plate armor with reflecting light
• + Strong gritty atmosphere that feels 'battle-worn'

• − Slightly lower facial clarity compared to the competitor
• − Some muddy textures on the forehead skin

FLUX.1 [schnell] FP8

• + Excellent typography and layout structure that mimics a real menu
• + Clean, high-resolution food photography that fits the grid perfectly
• + Contains specific sections as requested in the prompt

• − Typos in section headings like APPTIZERS and PIZZAL
• − The SECCER heading is nonsensical

Stable Diffusion 3.5 Medium

• + Good variety of food images with professional-looking lighting
• + Successful grid layout with consistent image sizing

• − Text is largely unintelligible and poorly rendered
• − Poor alignment of text elements compared to the grid
• − Fails to clearly label the specific sections requested, like pizza or mains

FLUX.1 [schnell] FP8

• + Excellent photographic texture on the meat patty and bun.
• + Vibrant color palette with high contrast.
• + Good implementation of the scattered ingredients/motion effect.

• − Significant text errors including 'LIIMITED' and 'NEEY'.
• − Incorrect price rendering at €69 and €.99 instead of €6.99.
• − The burger is mostly assembled rather than 'exploded' into major layers.

Stable Diffusion 3.5 Medium

• + Perfect text rendering for all requested strings including the price.
• + Strong fiery aesthetic with glowing embers that matches the prompt well.
• + The starburst design for the price is creative and clear.

• − Fails the 'exploded' instruction as the burger is almost entirely intact.
• − The main title text lacks the requested 'fiery, glowing effect'.
• − The burger bun texture looks slightly plastic or overly smoothed.

FLUX.1 [schnell] FP8

• + Excellent adherence to the specific date requested
• + Natural-looking chalk texture on the lettering
• + Balanced composition with realistic frame lighting

• − Repeated words and inconsistent pricing in the menu body
• − Spelling errors in secondary menu items
• − White marker-style look rather than soft cursive chalk requested for the header

Stable Diffusion 3.5 Medium

• + Stylized artistic chalk flourishes
• + Great visual texture of a used chalkboard with smudges
• + Composition feels like a designer menu board

• − Severe failures in spelling and word rendering
• − Failed to include the specific date of April 30, 2026 accurately
• − Text is largely illegible gibberish

FLUX.1 [schnell] FP8

• + Excellent adherence to the complex spatial instruction of putting the horse on top.
• + High cinematic quality with dramatic lighting and a beautiful planetary background.
• + Creatively interprets the 'astronaut' part as a literal piece of hardware or a mechanical construct being ridden.

• − Anatomy of the horse in the background is a bit distorted and strange.
• − The 'astronaut' is depicted as a machine rather than a person in a suit, which might deviate from some expectations.

Stable Diffusion 3.5 Medium

• + Very clear and sharp stars and planet rendering.
• + Classic, clean rendering of an astronaut suit and a white horse.

• − Completely failed the primary prompt instruction of having the horse on top.
• − Anatomical issues with the horse's legs appearing elongated and deformed.
• − The composition is generic and lacks the requested 'surreal' quality.

FLUX.1 [schnell] FP8

• + Excellent text rendering on the driver's cap.
• + Very clear and detailed taxi interior with accurate lighting.
• + Captures the businesswoman and her phone as requested in the background.

• − The woman is holding two phones, which is a logic error.
• − The capybara's head looks a bit pasted onto the jacket.

Stable Diffusion 3.5 Medium

• + The capybara driver has a very professional and cute expression.
• + The paws are positioned well on the steering wheel.
• + The hat design looks very authentic to a professional driver's uniform.

• − Missed the detail about the passenger looking at her phone.
• − The perspective makes the taxi look extremely small relative to the capybara.
• − Low background detail for the passenger.

FLUX.1 [schnell] FP8

• + Strong cinematic lighting with a vibrant glowing jack-o-lantern.
• + The composition feels cohesive and professionally balanced.
• + Features the twisted trees and bats as requested in a moody atmosphere.

• − Significant text errors including 'Tine' and 'Theaches'.
• − The scroll banner text is split awkwardly and misspelled.

Stable Diffusion 3.5 Medium

• + Better execution of the 'dark parchment' and spider web border elements.
• + Includes multiple jack-o-lanterns and clear twisted tree silhouettes.
• + Large, legible gothic-style font.

• − Major text typos such as 'Halloweeen Inviloween' and 'Loccation'.
• − The date and time are missing or heavily mangled (Year '226').

FLUX.1 [schnell] FP8

• + Excellent 3D miniature/cartoon aesthetic that matches the 'soft refined textures' prompt.
• + High clean visual quality with professional lighting and shadows.

• − Failed to render the word 'SUSHI' correctly.
• − The text 'JAPAN' is repetitive and includes a nonsensical flag integration.

Stable Diffusion 3.5 Medium

• + Successfully rendered both words 'JAPAN' and 'SUSHI' with high clarity.
• + Good realistic PBR-style textures on the nori and roe.

• − Missed the 'small raised diorama base' instruction, placing it on a simple plate.
• − The light blue background feels flat rather than a 3D isometric environment.

FLUX.1 [schnell] FP8

• + Excellent depiction of soft, ultra-detailed fur textures.
• + High animal count creates a dense, joyful composition.
• + Superior lighting effects with hazy golden hour glow and god rays.

• − Missed the baby bunny prompt requirement.
• − Anatomical issues with overlapping limbs and an extra ambiguous animal head at the bottom right.
• − The kitten's mouth and some butterfly wings appear slightly distorted.

Stable Diffusion 3.5 Medium

• + Features a clearer golden retriever and fox kit with good distinction.
• + Vibrant colors and high contrast in the wildflower meadow.
• + Follows the general composition requested with animals in a lush setting.

• − Failed to include a rabbit or a distinct tabby kitten.
• − The blue butterfly is rendered with strange artifacts and floating legs.
• − Less 'hyper-photorealistic' and more illustrative/saturated compared to the other model.

FLUX.1 [schnell] FP8

• + Strong minimalist vector aesthetic
• + Clean, balanced emblem composition
• + Accurate date 'Est. 1720' rendering

• − Major spelling errors in the primary name ('AFE FLAMILAN')
• − The 'cloche' looks more like a building dome

Stable Diffusion 3.5 Medium

• + Captures the 'retro cloche' shape more effectively
• + Spelling of 'Florrian' is closer to the prompt than model a
• + Beautiful hand-drawn engraving style

• − Incorrect date text ('Est 170')
• − Too detailed/busy for a minimalist logo
• − Extra character in the name ('Florrian' instead of 'Florian')

FLUX.1 [schnell] FP8

• + Excellent adherence to the clean, modern vector style.
• + Follows the NASA-inspired color palette perfectly.
• + Includes distinct icons for the requested steps with a logical horizontal layout.

• − Nonsense filler text below the main heading.
• − The lunar module illustration is a bit abstract and fragmented.

Stable Diffusion 3.5 Medium

• + Creative use of orbits and arcs to fill the space.
• + Clean font for the main labels.

• − Failed the vector aesthetic, appearing more like a grainy painting or scan.
• − Icons are inconsistent and do not clearly represent the specific steps requested (e.g., 'Launch' shows a map fragment).
• − Included excessive 'star' noise that clashes with the requested 'clean' look.