FLUX1.1 [pro] Ultra Black Forest Labs vs GPT Image 1.5 OpenAI

FLUX1.1 [pro] Ultra

• + Exquisite glass rendering with realistic refraction and edge highlights.
• + Professional-grade photographic quality with sharp focus on the book texture.
• + Accurate interpretation of the soft window light from the left.

• − The sphere is levitating rather than sitting on the bottom of the cube, which feels slightly unnatural.

GPT Image 1.5

• + Natural grounding of the sphere on the base of the cube.
• + Good composition that centers the subject effectively.
• + Clear adherence to all spatial requirements of the prompt.

• − The glass cube looks more like a frame with thick plastic edges rather than a solid glass object.
• − Lower textural detail on the book and plant compared to the competitor.

FLUX1.1 [pro] Ultra

• + Excellent execution of long-exposure motion blur on passing vehicles.
• + Captures a very cinematic, high-contrast urban mood.
• + Strict adherence to the 50mm lens and reflections requirement.

• − The subject appears to be just standing with the bike rather than actively 'repairing' it.
• − The bicycle geometry is slightly simplified and unrealistic near the handlebars.

GPT Image 1.5

• + Strong narrative adherence with the subject actively repairing the bike with tools.
• + Excellent skin textures and clothing details that feel authentic and non-stylized.
• + Composition feels like a genuine candid street photo.

• − Failed to incorporate the requested motion blur from passing cars.
• − Includes a strange second bicycle frame overlapping the main red bike.

FLUX1.1 [pro] Ultra

• − The image failed to load or is a solid black square.
• − Zero prompt adherence as no visual content is present.

GPT Image 1.5

• + Excellent adherence to all prompt details, including the braided hair with beads, scars, and ornate armor.
• + Stunning textural quality on the leather straps, fabric, and weathered metal.
• + Masterful use of warm torchlight and bokeh sparks to create atmosphere.

• − Small anatomical inconsistency where a braid appears to merge into the metal of the pauldron.

FLUX1.1 [pro] Ultra

• + Elegant graphic design layout with a professional mockup perspective.
• + High-quality, creative food photography integrated into the design.
• + Good use of bold sans-serif headers as requested.

• − Nonsense text and significant spelling errors (e.g., 'Pizzzans').
• − The grid layout of images is a bit cluttered and overlapping.

GPT Image 1.5

• + Excellent text rendering with clear, readable, and logical menu items.
• + Perfect adherence to the grid layout and section requirements.
• + Very clean, minimalist aesthetic that looks ready for use.

• − The layout is a bit basic and lacks the modern flair seen in Model A.
• − Some food items look slightly generic.

FLUX1.1 [pro] Ultra

• + Excellent typography rendering with a clean, modern aesthetic.
• + High resolution and very clean texture on the burger ingredients.
• + Includes a realistic charred rock and fire base that adds depth.

• − Missed the 'starburst' requirement for the price tag.
• − The burger stack looks somewhat static and repetitive rather than a single 'exploded' unit.
• − Includes hallucinated watermark-like text at the bottom.

GPT Image 1.5

• + Perfectly follows all prompt instructions including the starburst shape and glowing text effects.
• + Great sense of motion with flying ingredients and dynamic debris.
• + Strong adherence to the 'exploded' request, showing interior textures like the toasted bun.

• − Slightly lower clarity and more 'painterly' artifacts compared to Model A.
• − The 'MAGIC BURGER' title is slightly cropped at the top edges.

FLUX1.1 [pro] Ultra

• + Excellent chalk texture and board realism.
• + Natural, believable handwriting style.

• − Significant text hallucinations and spelling errors like 'mushroomm' and 'frristratnisnios'.
• − Repetitive text at the bottom and fails to complete the prompt's specific menu items correctly.

GPT Image 1.5

• + Perfect adherence to specific text requirements and spelling.
• + Accurately rendered elegant cursive for the title as requested.
• + Clean composition with consistent handwriting style.

• − The chalk texture on the board looks a bit like a digital overlay rather than physical smudges.
• − The lighting is somewhat flat compared to the atmospheric lighting in Model A.

FLUX1.1 [pro] Ultra

• + Excellent high-resolution clarity and cinematic lighting across the atmosphere.
• + Good execution of the horse and astronaut details.
• + Dynamic composition with a sense of movement in zero-G.

• − Completely failed the negative constraint/spatial instruction 'horse on top'.
• − The inclusion of multiple small Earth-like planets is a bit repetitive.

GPT Image 1.5

• + High level of intricate detail on the astronaut suit and horse harness.
• + Strong cinematic atmosphere with realistic lighting and nebulae.
• + Impressive ground textures and particle effects.

• − Failed the specific spatial instruction 'horse on top'.
• − The anatomy of the horse's front legs and hooves is slightly distorted.
• − Standard interpretation of the prompt rather than a surreal one.

FLUX1.1 [pro] Ultra

• + High resolution and very clean visual quality
• + Accurate rendering of the business coat and phone use
• + Excellent background bokeh and city lighting

• − Composition error: the woman is placed in the front passenger seat instead of the back seat
• − The capybara's paws are not visible on the steering wheel as requested
• − The woman is looking at the capybara's steering wheel rather than her phone

GPT Image 1.5

• + Perfect adherence to composition instructions with the passenger in the back seat
• + Captures the capybara with both front paws on the steering wheel
• + Very realistic 'cinematic' lighting and texture that feels like a real film still

• − Slightly lower resolution compared to Model A
• − Text on the taxi meter in the foreground is blurry

FLUX1.1 [pro] Ultra

• + Excellent clarity and high resolution.
• + All requested text details are present and legible.
• + Clean graphic design style with professional layout.

• − Includes redundant and misspelled text under the banner ('noickt').
• − Omits the word 'Party' from the main title 'Halloween Invitation'.
• − The aesthetic is somewhat generic and lacks the requested vintage 'dark parchment' texture.

GPT Image 1.5

• + Perfect adherence to the 'dark parchment' and vintage gothic aesthetic.
• + Flawless text rendering for all requested fields including 'Halloween Party Invitation'.
• + Superior composition with a more atmospheric and cinematic night sky.

• − The thorns in the border are slightly repetitive in pattern.
• − Less 'clean' look if the user required a vector-style graphic rather than a painted illustration.

FLUX1.1 [pro] Ultra

• + Excellent soft 3D cartoon aesthetic that matches the 'miniature' request.
• + Clean, professional typography integrated into the background.
• + Soft, diffused lighting and refined PBR textures.

• − Includes some strange artifacts like the red bug-like object and floating steam.
• − The garnish looks like a potted plant rather than culinary decoration.

GPT Image 1.5

• + Stronger adherence to the 'realistic PBR' instruction with believable wood and ceramic textures.
• + Excellent diorama base design with grass and layered textures.
• + Very clear and bold text placement that follows the hierarchy requested.

• − The lighting is a bit harsh compared to the 'gentle' request.
• − Less of a 'cartoon' feel than Model A.

FLUX1.1 [pro] Ultra

• + Excellent adherence to the '8K masterpiece' aesthetic with clean, polished rendering.
• + Captures the 'golden sunrise' and 'god rays' with high artistic flair.
• + Consistent character design with very expressive, large eyes across all four animals.

• − Looks more like a 3D digital illustration than 'hyper-photorealistic'.
• − The animals are mostly sitting still rather than 'tumbling together' as requested.

GPT Image 1.5

• + Successfully captures a more realistic photographic style with natural lighting.
• + Better adherence to the 'tumbling together' action, showing the kitten on its back and playful poses.
• + Includes visible 'dew sparkles' on the grass as requested in the prompt.

• − The fox kit has a slightly distorted mouth/teeth area.
• − The butterfly's placement looks a bit pasted on/artificial compared to the rest of the scene.

FLUX1.1 [pro] Ultra

• + Excellent vector emblem layout with clean circular framing
• + High-quality typography with period-accurate styling
• + Good use of warm brown and cream tones against a light background

• − Misspelled the primary brand name as 'Caffé Framilian'
• − The 'Est. 1720' is not on the banner as requested
• − The cloche is somewhat flattened in perspective

GPT Image 1.5

• + Perfect text rendering for 'Caffè Florian'
• + Correctly placed 'Est. 1720' on a vintage banner
• + Excellent shading and texture on the cloche dome

• − Ignored the 'light background' requirement by using a black background
• − The steam effect is slightly chunky compared to the fine lines of the text
• − Less of a cohesive 'emblem' style compared to Model A

FLUX1.1 [pro] Ultra

• + Elegant vector art style with a modern professional feel
• + Excellent use of vertical space and a cohesive lunar landscape
• + Adheres strictly to the requested NASA-inspired color palette

• − Text is largely nonsensical gibberish
• − The infographic flow is confusing and logically inconsistent
• − Fails to clearly represent the specific 6-step sequence requested

GPT Image 1.5

• + Matches the 6-step sequence exactly as requested
• + All labels are perfectly legible and correctly spelled
• + Iconography is very consistent and clear for each stage

• − The 'Descent' and 'Landing' panels use the same background causing visual repetition
• − Slightly less 'modern' and 'clean' in its vector execution compared to the competitor
• − The red used is quite bright rather than the requested 'muted red'