FLUX.1 Kontext [pro] Black Forest Labs vs FLUX.2 [klein] 9B Black Forest Labs

FLUX.1 Kontext [pro]

• + Excellent adherence to the 'behind' spatial instruction for the plant.
• + High-quality rendering of thin, elegant glass edges.
• + Clean, modern aesthetic with realistic lighting from the left.

• − The blue sphere appears fuzzy/felt-like rather than a smooth sphere.
• − The book is slightly floating above the glass surface instead of resting directly on it.

FLUX.2 [klein] 9B

• + Beautiful marble-like texture on the blue sphere.
• + Authentic thick glass material with realistic light refraction.
• + Textured wooden table grain adds to the realism.

• − The plant is more alongside/around the cube than clearly behind it.
• − The glass cube shape is slightly irregular and blocky.

FLUX.1 Kontext [pro]

• + Natural skin and clothing textures that look highly realistic under the lighting.
• + Captures the somber atmosphere of a rainy day effectively.

• − The subject looks more like he is riding/leaning on the bike rather than repairing it.
• − The rain effect looks a bit like a static filter rather than interacting with the scene.

FLUX.2 [klein] 9B

• + Excellent adherence to the 'repairing' action with tools and professional crouching pose.
• + Superior compositional depth with tools in the foreground and a clear street scene.
• + Rich detail in the red bicycle and environmental reflections.

• − The car in the background lacks the specific 'motion blur' requested.
• − The shallow depth of field is a bit aggressive on the handlebars relative to the face.

FLUX.1 Kontext [pro]

• + Excellent skin texture with realistic fine pores and subtle scarring.
• + Superior lighting effects with warm torchlight naturally wrapping around the face and armor.
• + High-quality rendering of the engraved armor and fabric textures.

• − Missed the request for 'beads' in the hair.
• − The 'bokeh sparks' are quite subtle and limited to one side.

FLUX.2 [klein] 9B

• + Perfect adherence to the 'hair braided with small beads' part of the prompt.
• + Stronger interpretation of the 'battle-worn' descriptor with more prominent scars and dirt.
• + Good inclusion of bokeh sparks and visible torches in the background.

• − The eyes look slightly glassier and less lifelike than Model A.
• − The scar on the forehead looks a bit like a surface smudge or stamp rather than integrated skin tissue.

FLUX.1 Kontext [pro]

• + Features a very clean, professional minimalist layout that looks like a real menu.
• + Correctly identifies and separates the three requested sections: Appetizers, Pizza, and Mains.
• + Bold sans-serif typography is highly legible and follows the prompt's aesthetic.

• − The food photos are not in a strict grid as requested, instead alternating sides.
• − Some pricing numbers are unrealistically high or inconsistent with the food items.

FLUX.2 [klein] 9B

• + Successfully follows the 'photos in grid' instruction with 4 uniform images.
• + Includes currency symbols which add to the realism of a menu design.
• + Captures the 'vibrant accents' request with colorful underlines and text.

• − The text is highly garbled with significant spelling errors in the headers and body.
• − The layout is repetitive and confusing, featuring 'Appetizers' twice and 'Mains' twice.
• − Visual quality of the text characters is poor, with many letters merging together.

FLUX.1 Kontext [pro]

• + Excellent photorealistic texture on the meat patty and dripping cheese
• + Accurate rendering of the price text with comma decimal
• + Atmospheric background with realistic embers and coals

• − Missed the 'starburst' requirement for the price
• − Redundant price information appears twice in the frame
• − Composition is very static despite the 'dynamic' request

FLUX.2 [klein] 9B

• + Perfect adherence to the 'starburst' request for the price
• + Highly dynamic composition with an angled burger and flying sauce drops
• + Stronger 'fiery' texture applied specifically to the main title text

• − Price uses a period instead of the requested comma
• − The 'starburst' shape is slightly inconsistent with the overall graphic style
• − Food lighting is a bit flatter compared to the atmospheric lighting in Model A

FLUX.1 Kontext [pro]

• + Excellent text layout and vertical alignment.
• + High contrast and very clear legibility for all menu items.
• + Realistic chalk-on-blackboard texture on the letters.

• − The font looks a bit too perfect and uniform for handheld chalk writing.
• − Glitchy text at the bottom including 'ous gluten tree' instead of 'about our'.

FLUX.2 [klein] 9B

• + Beautiful cursive style that matches the elegant request for the title.
• + The chalkboard surface has realistic smudge and wipe marks.
• + Handwriting has more natural variation in tilt and character width.

• − One typo in the bottom text ('fress' instead of 'fresh').
• − A slight glare at the top center obscures some of the board.

FLUX.1 Kontext [pro]

• + Perfectly adheres to the specific 'horse on top' request
• + Cleverly reverses the anatomy by giving the astronaut hooves
• + High cinematic quality with realistic space lighting

• − The small astronaut silhouette riding the horse creates a slightly confusing recursive element

FLUX.2 [klein] 9B

• + Vibrant colors and a sense of cosmic scale
• + Good technical rendering of the horse and astronaut gear

• − Completely failed the negative constraint to put the horse on top
• − Contains nonsensical AI-generated text at the bottom
• − Composition feels like a standard stock image despite the surreal prompt

FLUX.1 Kontext [pro]

• + Excellent texture on the capybara's fur and the leather steering wheel.
• + The capybara's facial expression perfectly matches the 'calm, professional' prompt.

• − The passenger is on a phone call rather than 'looking at her phone' as requested.
• − The perspective makes it difficult to see the full interior or the 'photorealistic scene inside' requested.

FLUX.2 [klein] 9B

• + Stronger adherence to the passenger prompt, showing her looking down at her phone with a bored expression.
• + Better interior composition showing the full scene, dashboard, and Manhattan streets through the rear window.
• + Highly realistic lighting, including the glow from the phone on the passenger's face.

• − The text on the hat is gibberish ('NEIM TALA').
• − The capybara's paws look slightly like gloved human hands rather than animal paws.

FLUX.1 Kontext [pro]

• + Excellent typography style that fits the gothic theme
• + Fine, intricate spiderweb border details
• + High-contrast cinematic lighting on the jack-o-lantern

• − Includes hallucinations in the text details (unrequested line)
• − The composition feels a bit cramped at the bottom
• − Parchment texture is very dark, losing some 'vintage' feel

FLUX.2 [klein] 9B

• + Perfect text accuracy without any hallucinations
• + Stronger illustration of elements like twisted trees and thorns
• + Clearer parchment texture that nails the vintage poster aesthetic

• − Lighting is a bit more 'digital' and less 'cinematic' than Model A
• − The moon is partially obscured by trees, slightly reducing impact

FLUX.1 Kontext [pro]

• + Successfully added a full head of hair that follows the skull shape
• + Good preservation of the background and jacket

• − Significantly altered the facial features, making the person look like a different individual
• − The hair looks slightly synthetic and overly groomed for the setting

FLUX.2 [klein] 9B

• + Excellent preservation of the original facial features and identity
• + The curly hair texture looks realistic and matches the lighting of the scene
• + Seamless transition between the new hair and the existing beard/sideburns

• − Minor blurring where the hair curls overlap with the background

FLUX.1 Kontext [pro]

• + Excellent 3D cartoon art style with soft, appealing textures.
• + Accurate rendering of the Japanese flag and typography.
• + Clean and balanced composition with a high-quality miniature feel.

• − The sushi rice grains are slightly oversized and spherical, looking more like pearls.

FLUX.2 [klein] 9B

• + Good variety of sushi types on the plate.
• + Accurate 45-degree isometric perspective.
• + Clean, bold text rendering.

• − The flag icon is incorrect, showing a red/white/black tricolor instead of the Japanese flag.
• − The wood texture on the base is somewhat stretched and less refined.

FLUX.1 Kontext [pro]

• + Captures the user's likeness accurately in a cartoon style
• + Preserves the original outfit (denim shirt and black top) perfectly

• − Completely misses the core request to include the hockey, dog, and TV anchor elements
• − Fails as a 'caricature of a job' and only produces a stylized portrait

FLUX.2 [klein] 9B

• + Successfully incorporates all requested elements: TV anchor desk, hockey arena background, and dogs in the crowd
• + Excellent use of caricature style with exaggerated features while maintaining likeness
• + Shows high creativity in blending the various hobbies and profession into one scene

• − Changes the original clothing to a professional suit, though this aligns better with the 'TV anchor' prompt
• − Some minor artifacts with the hands and fingers as typical in AI generation

FLUX.1 Kontext [pro]

• + Excellent soft lighting and atmospheric god rays
• + Extremely cute facial expressions that feel cohesive
• + Beautiful rendering of backlighting on the fur

• − Failed to include exactly four distinct species, merging the kitten and bunny into one hybrid-looking animal
• − Static composition that feels more like a portrait than 'chasing' and 'tumbling'

FLUX.2 [klein] 9B

• + Better captures the action of 'chasing' with more dynamic poses
• + Stronger butterfly details and variety in the wildflower meadow
• + Distinct and recognizable animal features for the fox, puppy, and kitten

• − Missing the baby bunny entirely
• − The kitten's facial expression looks slightly startled or unnatural compared to the others

FLUX.1 Kontext [pro]

• + Excellent preservation of the source image's urban composition and background elements.
• + Accurately replicates the distinctive character expressions from the original meme.
• + Strong hand-painted watercolor texture that fits the Ghibli aesthetic perfectly.

• − The color palette is slightly more saturated than the requested 'soft pastels'.

FLUX.2 [klein] 9B

• + Beautifully soft, dreamy pastel color palette and lighting.
• + Successful integration of Ghibli-esque landscape elements like rolling hills and cottages.

• − Fails to preserve the original street setting, moving the scene to a garden/rural area.
• − Loses the specific character dynamics, particularly the girlfriend's iconic angry expression.
• − Added an unnecessary fourth character in the background.

FLUX.1 Kontext [pro]

• + Excellent source preservation, maintaining the woman's face and the dog's features almost perfectly.
• + Subtle and realistic blowing hair that looks integrated with the lightning.

• − Very few leaves added, making the 'energetic and lively' instruction feel under-delivered.
• − One leaf appears to be floating directly in front of her face in an awkward way.

FLUX.2 [klein] 9B

• + Strongly adheres to the request for 'energetic and lively' feel with a high density of leaves.
• + The hair motion is very dynamic and significantly changed to match the wind effect.

• − Noticeable change to the subject's facial features compared to the source image.
• − Some leaves show artifacts or lack of depth, appearing layered on top of the image rather than in the scene.

FLUX.1 Kontext [pro]

• + Perfectly rendered 'EEST.' abbreviation (Italian for 'East/Est' although slightly redundant) and '1720'.
• + Authentic letterpress texture that fits the vintage aesthetic well.
• + Balanced, clean composition that adheres strictly to the minimalist vector request.

• − Simple steam graphic is a bit abstract compared to the rest of the logo.
• − Includes an extra 'E' in 'EEST.' which while stylistically common for 'Established' in some contexts, may be considered a typo.

FLUX.2 [klein] 9B

• + Graceful typography with consistent kerning and clear legibility.
• + Sophisticated use of negative space and shading on the cloche dome.
• + Excellent subtle parchment-like texture on the background.

• − The 'f' in 'Caffè' has a slightly awkward tail interaction with the 'è'.
• − The composition feels a bit more modern/commercial rather than truly vintage minimalist.

FLUX.1 Kontext [pro]

• + Excellent typography rendering for 'APOLLO 11' and several labels.
• + Captures the flat-vector aesthetic with a cohesive, professional navy palette.
• + More dynamic and scientifically illustrative composition showing a trajectory path.

• − Includes Factually incorrect elements, such as Saturn rings around the Moon and rocket.
• − The numbering and labeling for the steps are jumbled and logical flow is confused.
• − Failed to include a distinct lunar module icon for the descent and landing steps.

FLUX.2 [klein] 9B

• + Follows the step-by-step sequential structure more clearly than Model A.
• + Includes specific requested icons like the Lunar Module and astronaut silhouettes.
• + Adheres better to the requested clean, compartmentalized infographic layout.

• − Frequent spelling errors in labels such as 'AOILLO', 'EARDHT', and 'TRANSLURAL'.
• − The rocket design is generic and less like the iconic Saturn V requested.
• − Visual quality of the Earth icon is slightly less sophisticated than the overall poster style.