FLUX.1 Kontext [dev] Black Forest Labs vs Stable Diffusion 3.5 Medium Stability AI

FLUX.1 Kontext [dev]

• + Excellent adherence to spatial relationships and lighting direction.
• + High-quality rendering of glass reflections and material textures.
• + Realistic depiction of the green plant through the glass cube.

• − The sphere is quite large relative to the prompt 'small sphere'.

Stable Diffusion 3.5 Medium

• + Successfully placed all requested elements in the scene.
• + The sphere size better matches the 'small' descriptor.

• − The sphere appears to be levitating unnaturally in the center of the cube.
• − Lower overall sharpness and more visual artifacts compared to Model A.
• − Lighting is blown out and lacks the 'soft window light' quality.

FLUX.1 Kontext [dev]

• + Excellent high-resolution detail on the man's face and clothing
• + Clear and vibrant rendering of the red bicycle
• + Follows the shallow depth of field requirement well

• − The subject is posing with the bike rather than 'repairing' it
• − Lacks the requested 'motion blur' for passing cars
• − The composition is too centered and clean for a 'candid street photo' with 'imperfect framing'

Stable Diffusion 3.5 Medium

• + Successfully captures the 'repairing' action and candid posture
• + Excellent adherence to the 'imperfect framing' and 'candid street photo' aesthetic
• + Realistic film-like texture and moody lighting

• − The bicycle geometry is distorted and physically nonsensical
• − Low visual fidelity on the face and hands
• − The rain looks more like static or noise than droplets

FLUX.1 Kontext [dev]

• + Excellent anatomical realism in the face and eyes
• + Highly detailed and readable engravings on the plate armor
• + Subtle and realistic scarring on the face

• − Missed the request for braided hair
• − Torchlight effect is a bit flat across the face

Stable Diffusion 3.5 Medium

• + Successfully incorporated braided hair with beads
• + Strong, dynamic lighting from a specific torchlight source
• + Excellent depiction of dirt and weathering on the skin

• − Armor engravings are messy and lack structural logic compared to Model A
• − Iris patterns in the eyes look slightly artificial or over-sharpened

FLUX.1 Kontext [dev]

• + Strong, high-quality food photography with vibrant colors.
• + Excellent use of bold sans-serif typography that feels modern and professional.
• + Clean, balanced grid layout that fits the minimalist aesthetic.

• − The text is nonsensical and has some artifacting/glitches over characters.
• − Lacks a clear list of actual food prices or a structure that resembles a functional menu page.

Stable Diffusion 3.5 Medium

• + More realistic menu structure with headers, item descriptions, and pricing columns.
• + Includes a wider variety of images that clearly represent different menu categories like pizza.
• + Better overall organization as a practical multi-section document.

• − Image quality is low with significant muddy textures and artifacts.
• − The layout feels cramped and the typography is less impactful than requested.
• − Food photography appears dull and lacks the 'vibrant' quality requested.

FLUX.1 Kontext [dev]

• + Excellent typography rendering with the requested glowing effect.
• + Good layout that feels like a professional advertisement.
• + Clear, vibrant colors and sharp focus on the burger.

• − Failed the core 'exploded burger' prompt by showing a fully assembled burger.
• − Spelling error in 'ONLY' (rendered as 'LNHLY').

Stable Diffusion 3.5 Medium

• + Very high photorealistic texture on the bun and patty.
• + Dynamic background with realistic fire and embers.
• + Correct spelling of the promotional text.

• − Failed the 'exploded burger' requirement, showing a mostly assembled burger.
• − The starburst element is stylized as lines rather than a solid starburst shape.
• − The text is small and difficult to read compared to the background.

FLUX.1 Kontext [dev]

• + Excellent chalk-like texture on the lettering.
• + Mostly legible text with few spelling errors.
• + Clean and realistic composition that mimics a real cafe chalkboard.

• − Has repetitive text errors like 'Mushroom Mashroom' and 'with with'.
• − Date and some menu spelling ('Risoktso', 'Octpus') are garbled.
• − Text style is printing-heavy rather than the requested elegant cursive for the title.

Stable Diffusion 3.5 Medium

• + Features more chalk smudges and realistic chalkboard degradation.
• + Attempted artistic swirls and decorative accents in the lettering.

• − Text is largely illegible and contains numerous spelling failures.
• − The date and pricing are completely nonsensical.
• − The layout is cluttered and fails to follow the requested menu structure.

FLUX.1 Kontext [dev]

• + Excellent adherence to the 'horse on top' instruction
• + High-quality rendering of the astronaut's face and suit textures
• + Clear, cinematic lighting with a minimalist background

• − The horse appears to be floating behind rather than clearly 'riding' the astronaut
• − The scale of the horse relative to the astronaut is slightly small for a riding pose

Stable Diffusion 3.5 Medium

• + Beautiful background with stars and planet detail
• + Dynamic composition with a sense of movement in the horse's mane

• − Completely failed the negative constraint/spatial instruction, showing the astronaut on top
• − Anatomical issues with the horse's legs, which appear elongated and tripled in sections
• − Lower facial detail due to the dark visor

FLUX.1 Kontext [dev]

• + Excellent photorealism and texture on the capybara fur and the car interior.
• + Successfully captures the specific requested expression of a bored businesswoman looking at her phone.
• + Realistic lighting that matches a nighttime city environment.

• − The capybara only has one paw on the steering wheel instead of both.
• − The character looks more like a groundhog/beaver hybrid than a classic capybara.

Stable Diffusion 3.5 Medium

• + Successfully placed both paws on the steering wheel as requested.
• + The capybara anatomy is more accurate to the species.
• + Good use of depth of field and vibrant city lights in the background.

• − Failed to include the phone or the specific 'bored' expression for the passenger, who is just blurred and looking forward.
• − The composition feels slightly cramped with the capybara's head appearing very large relative to the car.

FLUX.1 Kontext [dev]

• + Excellent typography for the main title
• + High-quality central jack-o-lantern illustration
• + Clean and symmetrical border design

• − Text in the scroll and the bottom location name are garbled
• − Lacks the 'parchment' texture requested, opting for a solid black background

Stable Diffusion 3.5 Medium

• + Successfully captured the dark parchment and moody night sky textures
• + Creative composition with twisted trees and spider webs
• + Good interpretation of the 'vintage' aesthetic

• − Significant spelling errors throughout all text layers
• − Layout feels cluttered with the multiple jack-o-lanterns and misaligned text
• − Failed to include the specific 'scroll banner' design requested

FLUX.1 Kontext [dev]

• + Excellent typography alignment and font clarity
• + Perfectly captures the soft, 3D cartoon miniature aesthetic
• + Very clean composition with a solid background and smooth textures

• − The flag icon is stylized but not a recognizable Japanese flag
• − The sushi anatomy is slightly abstract

Stable Diffusion 3.5 Medium

• + More realistic texture on the nori and roe
• + Good isometric perspective and lighting

• − Failed to include 'JAPAN' in large bold text as primary focus
• − Missing the requested flag icon entirely
• − Text rendering is slightly messy with artifacts on the letters

FLUX.1 Kontext [dev]

• + Excellent sense of motion and playfulness
• + Realistic lighting and soft, believable fur textures
• + High level of overall image clarity

• − Failed to include the baby bunny or red fox kit
• − Included two cats instead of the requested animals

Stable Diffusion 3.5 Medium

• + Successfully included the red fox kit with distinct features
• + Vibrant colors and beautiful backlighting
• + Good facial expressions on the animals

• − Failed to include the baby bunny
• − Fur textures appear slightly over-sharpened and less 'fluffy' than Model A

FLUX.1 Kontext [dev]

• + Excellent typography and spelling of 'Caffè Florian'.
• + Highly clean, minimalist vector aesthetic suitable for a modern logo.
• + Accurate representation of the cloche dome and steam.

• − Missed the 'banner' element for the 'Est. 1720' text.
• − The typography is perhaps too modern/bold for a 'vintage' style.

Stable Diffusion 3.5 Medium

• + Strong vintage/retro illustrative style with good texture.
• + Successfully incorporated the requested banner element.
• + Captures the 'warm brown and cream' color palette well.

• − Several spelling errors in the text, including 'Florrian' and 'Est 170'.
• − The composition is cluttered and loses the 'minimalist' requirement.
• − Illegible gibberish text on the bottom banner.

FLUX.1 Kontext [dev]

• + Stronger flat vector aesthetic following the specified iconography style.
• + Clean, modern typography that feels more like a deliberate poster.
• + Better adherence to the 'navy, white, and muted red' palette.

• − Misspelled the primary subject title as 'APOLO'.
• − The icons are highly abstract and do not clearly represent the Saturn V or the Lunar Module as requested.
• − Text below headings is mostly garbled gibberish.

Stable Diffusion 3.5 Medium

• + Uses a clear vertical steps layout that mimics actual mission phases.
• + Clean line art for the planet/globe icons.
• + Text is slightly more legible in specific labels like 'Launch' and 'Landing'.

• − Included a large red circle that feels out of place with the color palette and theme.
• − Iconography does not follow the requested stages (e.g., repeating globes for different steps).
• − Background is cluttered with noise/stars that detract from the 'clean, flat' vector requirement.