FLUX.1 Kontext [max] Black Forest Labs vs FLUX.2 [flex] Black Forest Labs

FLUX.1 Kontext [max]

• + Excellent depiction of soft window lighting with realistic shadows and caustics.
• + Highly realistic textures on the wood grain and the red book.
• + Accurate spatial arrangement with the plant visible through the glass.

• − The blue sphere has an unusually rough, glitter-like texture rather than being a smooth sphere.
• − The book spine contains garbled, nonsensical text.

FLUX.2 [flex]

• + The blue sphere is perfectly smooth and clear.
• + Simple and clean composition that adheres to all prompt instructions.
• + Clean rendering of the red book without artifacted text.

• − The lighting is a bit flat and fails to capture the 'left window light' with the same depth as the competitor.
• − The scale of the sphere is quite large, making it more of a 'medium' sphere than the 'small' one requested.

FLUX.1 Kontext [max]

• + Excellent depiction of rain streaks and wet pavement reflections.
• + Captures the 'imperfect framing' prompt with a tight, slightly off-center composition.
• + Realistic skin texture and hand positioning for a repair task.

• − The bike's handlebars and frame structure are somewhat warped/nonsensical.
• − The motion blur from passing cars is subtle rather than prominent.

FLUX.2 [flex]

• + Stronger execution of motion blur from passing cars in the background.
• + Better overall bike anatomy and mechanical clarity.
• + Good adherence to the candid street photo feel with natural lighting.

• − The 'rain' is barely visible compared to the clear droplets in Model A.
• − Shadows and lighting on the man's face feel slightly flat.
• − The man appears to be floating slightly above the pavement instead of kneeling on it.

FLUX.1 Kontext [max]

• + Excellent realism in the texture of the skin, sweat, and facial hair.
• + Superior lighting effects with high-quality warm reflections and accurate bokeh sparks.
• + Highly detailed engraving on the plate armor that looks naturally worn.

• − Failed to include the beads in the hair braids as requested.
• − The character's skin tone appears overly saturated or sun-reddened rather than just dirty.

FLUX.2 [flex]

• + Accurately followed the prompt for hair braids with beads and visible scars.
• + Higher adherence to the request for leather straps and cloth underlayers.
• + Strong composition with symmetrical engraved armor and clear torch influence.

• − The facial features and skin look slightly more digital and airbrushed compared to the other model.
• − The sparks appear as simple glowing dots rather than realistic bokeh elements.

FLUX.1 Kontext [max]

• + Clean layout with a professional centered logo branding.
• + Consistent photography style featuring bright lighting and white plates.
• + Good use of whitespace for a minimalist aesthetic.

• − Prompt adherence failure on menu sections; almost all items are pizza regardless of category.
• − Mixes bold sans-serif with script fonts that were not requested.
• − Small body text is mostly illegible gibberish.

FLUX.2 [flex]

• + Excellent adherence to prompt sections (Appetizers, Pizza, Mains).
• + Dynamic grid layout with a varied selection of food items including bruschetta, pasta, and fish.
• + High-quality bold sans-serif typography and vibrant colored category accents.

• − The main header 'APPETIZERS' is confusingly large, overpowering the actual category headers.
• − Some text artifacts and spelling errors in the dish names.
• − The grid spacing is a bit tight on the left side compared to the right columns.

FLUX.1 Kontext [max]

• + Excellent text legibility and clean graphic design
• + Crisp photorealistic textures on the lettuce and bun
• + Balanced composition with centered subjects

• − The burger is not truly 'exploded' as much as its sides are falling off
• − Missing the requested starburst for the price
• − Price uses a comma instead of a period

FLUX.2 [flex]

• + Great 'exploded' vertical dynamic showing all layers separately
• + Successfully includes the price in a glowing starburst
• + Superior fiery text effect that matches the background

• − Small debris particles look a bit like floating gravel rather than food
• − The bottom bun looks slightly flat compared to the top

FLUX.1 Kontext [max]

• + Perfect text accuracy for all requested menu items and numbers.
• + Realistic chalk texture with visible smudges and varying pressure.
• + Clear, legible handwriting that matches the casual café aesthetic.

• − The title is not in 'elegant cursive' as requested, but rather a blocky print style.
• − The lighting is a bit flat compared to the other model.

FLUX.2 [flex]

• + Attempts the cursive style for the title as requested in the prompt.
• + Superior lighting and composition, creating a warmer, more 'cozy café' atmosphere.
• + Excellent chalk texture and natural-looking slate smudges.

• − Significant spelling error in the title ('TODAY's SPECIAlS').
• − Minor text rendering issues in the bottom footer where letters blend together.

FLUX.1 Kontext [max]

• + Excellent photographic quality and realistic textures on the horse fur and spacesuit
• + Cinematic lighting and high-resolution details
• + Clean composition with a beautiful planetary background

• − Completely failed the semantic challenge of having the 'horse on top'
• − Produces a standard interpretation instead of the requested surreal reversal

FLUX.2 [flex]

• + Successfully followed the difficult spatial instruction to have the horse on top of the astronaut
• + Highly surreal and creative interpretation of the prompt
• + Dynamic composition with vibrant colors and asteroid details

• − Anatomical issues where the horse's front legs merge awkwardly into the astronaut's hands
• − The rendering is more 'digital art' style than the requested cinematic realism of Model A

FLUX.1 Kontext [max]

• + Excellent photorealistic texture of the capybara's fur
• + High-quality soft lighting that feels authentic to a city street lamp
• + The capybara's expression is very professional and dignified

• − The passenger is sitting in the front passenger seat instead of the back seat
• − Only one paw is visible on the steering wheel instead of both front paws

FLUX.2 [flex]

• + Follows the positional layout perfectly with the passenger in the back seat
• + Shows both front paws on the steering wheel as requested
• + Strong sense of environmental storytelling with the blurred Manhattan streetscape

• − The capybara's hands look slightly more human/primate-like than natural capybara paws
• − The lighting is a bit more 'digital' and saturated compared to the more natural tone of Model A

FLUX.1 Kontext [max]

• + Excellent typography style that matches the gothic aesthetic perfectly.
• + Moody, cinematic lighting with a deep, dark color palette.
• + Includes all requested text elements accurately.

• − Repetitive text at the bottom ('The Arches, NYC' appears twice).
• − Uses commas instead of periods in the date format.

FLUX.2 [flex]

• + Cleaner edge treatment for the 'dark parchment' effect.
• + Followed the date formatting and location details exactly without repetition.
• + Stronger 'vintage' feel with a lighter, sepia-toned parchment base.

• − The 'scroll banner' text looks like a standard digital font rather than integrated calligraphy.
• − The jack-o-lantern and bats are slightly less detailed compared to Model A.

FLUX.1 Kontext [max]

• + Successfully added a thick, full head of hair that matches the beard color.
• + Greatly improved the hair texture and volume as requested.

• − Significantly altered the facial features, making the person look like a different individual.
• − The hairline looks somewhat artificial where it meets the forehead.

FLUX.2 [flex]

• + Excellent source preservation, keeping the original facial features and glasses identical to the source.
• + High realism in the hair texture and integration with the original skin.

• − The hair is quite short (crew cut style), which might not fully satisfy the 'full, thick head' part of the prompt compared to a longer style.
• − Minor loss of the original background details on the far left.

FLUX.1 Kontext [max]

• + Excellent typography with a friendly, stylized 3D look
• + Superior texture work on the salmon and rice
• + Clean isometric perspective with a well-defined diorama base

• − Missing the requested flag icon
• − Lighting is slightly flat on the background

FLUX.2 [flex]

• + Includes all requested elements including the flag icon
• + Accurate 45-degree top-down isometric angle
• + Soft, clay-like aesthetic fits the 'cartoon scene' description well

• − The text is plain black 2D, lacking the depth of the 3D scene below
• − The diorama base is very thin and blends into the background shadow

FLUX.1 Kontext [max]

• + Features a clear hockey stick and news desk backdrop
• + Maintains the subject's distinct eyewear from the caricature style
• + Directly incorporates the subject's denim shirt from the source image

• − The dog is somewhat generic and small in composition
• − Hand anatomy on the microphone is slightly warped

FLUX.2 [flex]

• + Strongly emphasizes both dogs and hockey by putting the dogs in hockey jerseys
• + Excellent interpretation of the 'tv show anchor' setting with a full studio desk and screens
• + Maintains high facial resemblance to the source image while exaggerating features

• − Source preservation is slightly lower as it removes the subject's distinct glasses
• − Text on the desk and background screens is nonsensical

FLUX.1 Kontext [max]

• + Successfully includes all four requested animals in a clear family-portrait style.
• + Beautiful lighting with shimmering bokeh and warm golden tones.
• + The fur texture appears soft and high-quality.

• − The animals are sitting still rather than 'playfully chasing' and 'tumbling' as requested.
• − The rabbit has slightly unnatural, human-like eyes.

FLUX.2 [flex]

• + Excellent adherence to the 'playfully chasing' and 'tumbling' action in the prompt.
• + Superior lighting effects with clear 'god rays' and visible dew sparkles on the grass.
• + More realistic animal anatomy and expressive movement.

• − The butterfly textures are a bit repetitive and less integrated into the lighting.

FLUX.1 Kontext [max]

• + Excellent preservation of the original expressions, especially the man's gaze and the girlfriend's scowl.
• + Captures the vibrant yet hand-painted texture of a classic Ghibli production.
• + Strong compositional accuracy, maintaining the depth and positioning of all three main subjects.

• − The woman in the foreground has blue eyes, which deviates from the source image.

FLUX.2 [flex]

• + Successfully applies a soft, pastel color palette that feels very nostalgic.
• + The background architectural details and watercolor textures are very 'Ghibli-esque'.

• − Fails to preserve the critical 'jealous' expression of the girlfriend, giving her a pleasant smile instead.
• − The man's facial features and stubble look less like an anime stylization and more like a filtered photo.

FLUX.1 Kontext [max]

• + Excellent adherence to the 'windy' hair request across the whole mane.
• + Successfully includes flying leaves scattered naturally throughout the scene.
• + Preserves the facial features and original lighting well.

• − Introduces a slight 'walking' pose change that alters the arm symmetry compared to the original.
• − The left hand is slightly less defined compared to the source.

FLUX.2 [flex]

• + Strong execution of the wind-blown hair effect with good detail.
• + Preserves the original posture and leash position more accurately than the other model.
• + Leaves are clearly visible and indicate a sense of motion.

• − The flying leaves appear somewhat flat and repetitively placed in the foreground.
• − The hand touching the dog's head is slightly warped compared to the source.

FLUX.1 Kontext [max]

• + Excellent typography with a charming woodblock/letterpress texture.
• + Strong vintage aesthetic with woodcut-style hatching on the cloche.
• + Perfect color palette with a textured paper background.

• − The accent on the 'Ê' in Caffè is slightly off-center.
• − The banner layout is a bit bulky compared to the text width.

FLUX.2 [flex]

• + Clean vector-style execution that looks very professional.
• + Accurate text rendering and placement of the accent mark.
• + Elegant arching of the main title.

• − The steam effect is very faint and lacks the requested vintage character.
• − The texture is extremely subtle, leaning more toward modern-minimalist than vintage-minimalist.

FLUX.1 Kontext [max]

• + Excellent typography rendering for the title and crew names.
• + Creative inclusion of the crew silhouettes with accurate names.
• + Uses the specified NASA-inspired color palette effectively.

• − Logical flow of the infographic is confusing and non-linear.
• − The Saturn V icon looks more like a generic toy rocket.
• − Text gibberish appears in the center of the diagram.

FLUX.2 [flex]

• + Follows the logical sequence of the mission steps much more accurately.
• + Iconography for the Saturn V and Lunar Module is more technically representative.
• + Clean, professional layout that strictly adheres to the 'modern vector infographic' style.

• − Misses the final 'Landing' step requested in the prompt.
• − Typography is slightly less 'bold' compared to the primary header in Model A.