FLUX.2 [dev] Flash fal vs GPT Image 1.5 OpenAI

FLUX.2 [dev] Flash

• + Perfect adherence to the lighting instruction with a clear window light source on the left.
• + Highly realistic glass textures, including subtle imperfections and reflections.
• + Excellent depth of field and consistent perspective.

• − The sphere is slightly smaller than what might be expected from the prompt 'small', making it look a bit lost in the cube.

GPT Image 1.5

• + Excellent color saturation and vibrant subject matter.
• + Clean, sharp rendering of the glass cube and its internal reflection.
• + Good composition with the plant framing the background.

• − The lighting is a bit more diffuse and less directional than the requested 'window light from the left'.
• − The glass cube has a mirrored base which wasn't requested, creating a double reflection of the sphere.

FLUX.2 [dev] Flash

• + Excellent preservation of the man's facial features and specific hairstyle.
• + Faithfully replicates the textures and patterns of the plaid coat and knit scarf.
• + The interior dashboard maintains a premium, classic aesthetic consistent with a high-end vehicle.

• − The steering wheel logo does not match the Rolls-Royce from the source image.

GPT Image 1.5

• + Successfully places the man in the car with a California coastline background.
• + Correctly incorporates the cream-colored interior from the source image.

• − Fails to preserve the man's specific facial structure, making him look like a different person.
• − The clothing details (scarf and plaid coat) are simplified or lost compared to the source.
• − Poor composition with the car appearing to drive on the wrong side of the road or off the edge.

FLUX.2 [dev] Flash

• + Excellent motion blur on background cars that creates a sense of movement.
• + Highly realistic skin texture and facial features of the elderly man.
• + Perfect adherence to 'imperfect framing' with a candid street photography feel.

• − The man's hands have structural issues, specifically the number and placement of fingers.
• − The bicycle kickstand and tools on the ground are somewhat messy and poorly defined.

GPT Image 1.5

• + Stronger emotional 'candid' feel with the man crouching and focused on his work.
• + Superior bicycle mechanics and tool kit detail.
• + Excellent depiction of rain droplets on the man's jacket and cap.

• − Failed to include 'motion blur from passing cars', as the car in the background is static.
• − The depth of field is slightly deeper than requested compared to the creamy bokeh in Model A.

FLUX.2 [dev] Flash

• + Excellent adherence to the 'hair braided with small beads' detail
• + Clean and intricate engraving on the armor
• + Well-defined torchlight sources that balance the composition

• − The facial skin texture and blood effects look slightly flatter and less realistic than the competitor
• − The 'battle-worn' appearance feels a bit clean overall

GPT Image 1.5

• + Exceptional skin texture with realistic dirt and sweat mapping
• + Highly effective use of warm torchlight reflections on the metal
• + Strong sense of material depth in the leather and cloth underlayers

• − The beads in the hair are less distinct than requested
• − A small artifact is visible on the earring/ear area

FLUX.2 [dev] Flash

• + Excellent use of vibrant, colorful accents consistent with the request.
• + Professional food photography with consistent lighting across the grid.
• + Good spatial balance between the heading and content.

• − Text rendering is poor with several nonsense words and spelling errors like 'CASSLAL5'.
• − The sections for Appetizers, Pizza, and Mains are poorly organized, with photos of pizza appearing under the Appetizers heading.
• − Visual artifacts present in the smaller subtext.

GPT Image 1.5

• + Perfect text legibility with accurate spelling and relevant menu items.
• + Logical layout where food photos correspond correctly to the adjacent text sections.
• + Extremely clean, professional minimalist design suitable for a real-world application.

• − The 'grid' format requested for photos is split/broken across the vertical layout rather than being a unified grid.
• − Color accents are more muted compared to the 'vibrant' request in the prompt.

FLUX.2 [dev] Flash

• + Extremely clean and legible typography
• + Realistic lighting and photographic depth of field
• + Sophisticated integration of the fiery starburst element

• − The composition is a bit static compared to the 'exploded' request
• − The sauce droplets look slightly artificial

GPT Image 1.5

• + Very high sense of motion and 'exploded' energy
• + Intense, dramatic lighting on the food items
• + Includes extra details like red onions that add to the visual complexity

• − The text 'MAGIC BURGER' is partially cut off at the top
• − The image feels a bit cluttered and oversaturated
• − The starburst effect looks more like a sticker than a glowing element

FLUX.2 [dev] Flash

• + Excellent chalk texture with realistic smudging and dusting on the board.
• + Stronger sense of depth and environmental context by showing the cafe background.
• + Perfectly captures the requested handwriting variations and elegant cursive title.

• − The spacing between lines is slightly uneven near the bottom.
• − The dash after 'Herbs' is unnecessary.

GPT Image 1.5

• + Perfect text alignment and uniform spacing across all menu items.
• + Extremely clear and legible handwriting while still maintaining a chalk feel.
• + Accurately completes the truncated prompt text with 'Cookies'.

• − Lacks the realistic cafe background environmental details of the other image.
• − The lighting feels a bit flat compared to the more atmospheric lighting in Model A.

FLUX.2 [dev] Flash

• + Successfully replicates the character's clothing and accessories
• + Maintains the environment and lighting of the source image

• − Serious anatomical failure, merging the hair of the original woman into the new character's torso
• − Failed to recreate the bent-over pose, opting for a generic standing-while-crouched position

GPT Image 1.5

• + Achieves a much closer approximation of the crossed-leg pose from the source image
• + High-fidelity recreation of the character's face, sunglasses, and scarf
• + Correctly places the character in the environment without ghostly artifacts

• − Failed to angle the head/torso downward to match the extreme 'dynamic pose' of the woman in Image 1
• − The hands and feet have minor clarity issues compared to the source

FLUX.2 [dev] Flash

• + Excellent anatomical details on the horse's coat and mane.
• + Clear and believable cinematic lighting.
• + High contrast between the subject and the celestial background.

• − Completely failed the negative constraint to have the horse on top.
• − Severe anatomical glitch with a third hind leg appearing behind the horse.

GPT Image 1.5

• + Dynamic composition with a sense of motion and dust.
• + Richly textured lunar surface and complex background elements.
• + High level of detail in the space suit and horse harness.

• − Failed the negative constraint to have the horse on top of the astronaut.
• − The scale of the rings on the gas giant in the background looks slightly disconnected from the perspective.

FLUX.2 [dev] Flash

• + Successfully applied the coat and scarf style from Image 2.
• + Maintains the overall composition and background of Image 1.

• − Horrific facial distortion with multiple eyes and noses appearing on the face.
• − Altered the person's face and skin patterns significantly.
• − Added excessive, unrequested jewelry that was not in Image 2.

GPT Image 1.5

• + Accurately transferred the clothing, scarf, and watch from Image 2.
• + Maintains realistic body proportions and clothing fit.
• + Preserved the background and lighting of Image 1 well.

• − Completely cropped out the head/face of the subject, failing the 'keep face and hair unchanged' instruction.
• − The skin visible on the hands does not match the vitiligo patterns from the source image.

FLUX.2 [dev] Flash

• + Excellent photorealism in the skin and hair textures
• + High-quality rendering of the businesswoman with clear details
• + Clean and professional composition with a sharp 'Taxi' sign on top

• − The businesswoman is sitting in the passenger seat rather than the back seat as requested
• − The capybara's 'paws' look a bit like primate hands or gloves

GPT Image 1.5

• + Correctly places the businesswoman in the back seat
• + Wonderful expression and authentic taxi driver hat design on the capybara
• + Great lighting and bokeh effect in the background streets

• − The capybara's claws/paws are slightly distorted and merge with the steering wheel
• − Slightly more motion blur or softness on the human face compared to Model A

FLUX.2 [dev] Flash

• + Excellent text readability and crisp rendering
• + Clean and polished graphical layout
• + Good adherence to the requested border composed of webs and thorns

• − Includes a line of gibberish text 'Hurk: 0369c' in the event details
• − The lighting feels a bit flat compared to the cinematic request

GPT Image 1.5

• + Atmospheric cinematic lighting with a strong vintage aesthetic
• + Accurate and elegant rendering of all requested text strings
• + Richly detailed background with graveyard elements and a moon

• − The thorns in the border are slightly less distinct than Model A
• − Text is a bit more integrated into the texture, which can slightly reduce legibility

FLUX.2 [dev] Flash

• + Excellent preservation of the source image facial features and clothing.
• + Realistic hair texture and natural integration with the sideburns.

• − The volume and style of the hair (afro-style) might be an unexpected interpretation of 'natural hair' for the subject's existing beard texture.

GPT Image 1.5

• + Perfectly matches the hair texture to the existing beard texture.
• + Exceptional preservation of the source image surroundings and identity.

• − The hairline on the forehead looks slightly sharp and lacks a few fine transitional baby hairs found in natural growth.

FLUX.2 [dev] Flash

• + Excellent adherence to the 'minimal' requirement with a clean, focused composition.
• + Perfect text layout and typography that matches the prompt instruction for 'JAPAN' and 'SUSHI'.
• + High-quality soft lighting and refined textures that give a premium 3D render feel.

• − The sushi roll construction is a bit nonsensical with fish draped over a roll that already contains a complex center.

GPT Image 1.5

• + Highly detailed environment with a complex diorama base featuring grass and multiple materials.
• + Includes a wide variety of sushi types that are very well rendered.
• + Strong sense of 'miniature' scale with realistic proportions for the teapot and soy sauce bottle.

• − Failed the 'minimal garnish and plate' instruction by adding many extra props.
• − The font for 'SUSHI' is smaller and less prominent compared to the requested bold style.
• − The lighting is slightly harsher and less 'gentle' than the other model.

FLUX.2 [dev] Flash

• + Excellent preservation of the subject's facial features in a caricature style.
• + Perfect blending of all themes, including dogs wearing hockey gear on a news set.
• + Very clean and professional illustration style with high resolution.

• − The 'TV SHOW' text is a bit generic.
• − The tiny body compared to the large head is a very traditional and perhaps less creative caricature style.

GPT Image 1.5

• + Very creative layout that feels like a real action-packed news broadcast.
• + Good use of text overlays to enhance the theme of the job.
• + High level of detail in the background, such as the camera and the hockey player on screen.

• − Subject's face is slightly less recognizable compared to the source image than Model A.
• − The dogs' interaction with the hockey sticks is a bit messy (e.g., the stick goes through the dog's mouth).

FLUX.2 [dev] Flash

• + Excellent variety of animals that match the specific prompt ingredients.
• + High clarity and realistic lighting with clear god rays.
• + Balanced composition that fills the frame well without feeling cluttered.

• − Includes an extra fifth animal (a second rabbit/hare) not requested in the prompt.
• − Butterflies feel a bit static and repetitious in their placement.

GPT Image 1.5

• + Perfect adherence to the animal count and types requested.
• + Great dynamic action with the kitten in a 'tumbling' pose.
• + Strong rendering of 'warm golden sunrise light' and dew sparkles on the flowers.

• − The fox's eyes and snout look slightly more 'plush toy' than hyper-photorealistic.
• − The puppy's front paw has slightly odd toe definition.

FLUX.2 [dev] Flash

• + Excellent preservation of the source image's composition and character poses.
• + Effective use of Ghibli-style character linework and watercolor textures.
• + Maintains the distinct plaid pattern of the shirt very accurately.

• − Replaces the urban street background with a generic flowery field, failing to preserve that part of the source image.
• − The lighting is a bit flat compared to the requested 'dreamy' mood.

GPT Image 1.5

• + Successfully captures the warm, nostalgic, and dreamy Ghibli lighting.
• + Preserves the street background setting better than the other model.
• + Applies a very soft, painterly texture that aligns with the prompt.

• − The faces look more like generic modern anime than the specific Ghibli aesthetic.
• − The woman in the foreground is excessively blurred, losing the 'illustration' feel.

FLUX.2 [dev] Flash

• + Successfully added blowing hair that flows naturally behind the subject.
• + Added a large number of falling leaves to create the requested dynamic atmosphere.
• + Preserved the background bridge and landscape elements well.

• − The leaf rendering is somewhat muddy and lacks clear motion blur.
• − The subject's face underwent slight changes in shape and lighting compared to the original.

GPT Image 1.5

• + Excellent hair animation that feels energetic and well-integrated.
• + Leaves have varied colors and realistic motion blur, enhancing the sense of movement.
• + Maintained high fidelity to the subject's facial features and the dog's appearance.

• − The leash loop in the character's hand was slightly altered and duplicated.

FLUX.2 [dev] Flash

• + Excellent typography with correct accents and alignment
• + Perfect adherence to the light background and subtle texture request
• + Clean vector emblem style with a professional balance

• − The 'Est. 1720' text is placed outside the main banner element

GPT Image 1.5

• + Strong vintage aesthetic with woodcut-style shading
• + Accurate placement of 'Est. 1720' within a banner
• + Sophisticated font choice for the main title

• − Failed to provide a light background, opting for black instead
• − The vector lines are slightly less clean and consistent than Model A

FLUX.2 [dev] Flash

• + Includes all requested steps and icons with clear labels.
• + Higher details in the Lunar Module icons.
• + Accurately renders the names of all three astronauts.

• − Composition is cluttered and disorganized.
• − Contains redundant labels and hallucinatory text (e.g., 'Sataurr' Iccòn').
• − Style leans towards 'illustrated' rather than the requested 'clean flat-vector'.

GPT Image 1.5

• + Excellent adherence to the 'flat-vector' and 'clean infographic' aesthetic.
• + Superior layout with logical flow and consistent iconography.
• + Stronger adherence to the specified NASA-inspired color palette.

• − The 'Apollo 11' title is partially cut off at the top.
• − The translunar icon is simplified compared to the complex trajectory requested.
• − Includes some minor alignment issues between labels and icons.