FLUX1.1 [pro] Ultra Black Forest Labs vs Seedream 4.0 ByteDance

FLUX1.1 [pro] Ultra

• + Excellent photorealistic rendering of glass and lighting.
• + High resolution with fine texture details on the book cover and the sphere.
• + Strong adherence to the spatial requirements, including the plant being clearly partially visible through the glass.

• − The blue sphere is levitating unrealistically in the center of the cube.
• − The perspective of the cube top seems slightly distorted relative to the book.

Seedream 4.0

• + Natural composition with the sphere correctly resting on the bottom of the cube.
• + Effective use of window light and shadows to create a warm atmosphere.
• + Accurate adherence to all objects and their placements in the prompt.

• − Lower resolution and more painterly texture compared to Model A.
• − The glass cube looks a bit more like an open aquarium than a solid cube.

FLUX1.1 [pro] Ultra

• + Excellent execution of long-exposure motion blur on passing vehicles.
• + High-quality reflections on the wet asphalt and realistic lighting.
• + Clean composition that balances the subject with the urban environment.

• − The subject is standing and leaning on the bike rather than actively 'repairing' it as requested.
• − The clothing and bicycle look slightly too modern and polished for a 'candid street photo' feel.

Seedream 4.0

• + Successfully captures the action of 'repairing' with the subject crouching and tools on the ground.
• + Achieves a more authentic 'candid' street photography aesthetic with imperfect framing.
• + Accurately represents the 50mm lens look with natural shallow depth of field.

• − Significant anatomical and object errors, specifically the man's hands merging into the bike frame.
• − The bicycle's structure is nonsensical with spokes crossing haphazardly and broken geometry.

FLUX1.1 [pro] Ultra

• − The image is completely black and contains no visible content.

Seedream 4.0

• + Excellent adherence to the prompt, including the braided hair with beads and ornate armor.
• + High-quality textures on the leather straps and metal engravings.
• + Captures the atmosphere perfectly with bokeh sparks and warm torchlight.

• − The torch in the background is slightly overexposed, though it fits the requested aesthetic.

FLUX1.1 [pro] Ultra

• + Excellent professional flyer/mockup composition with realistic lighting and shadows.
• + Clearly defined sections for Appetizers, Pizza, and Mains as requested.
• + Highly readable text and clean minimalist aesthetic suitable for a real restaurant.

• − Some of the smaller body text contains nonsensical words and gibberish.
• − The header 'For Pizzzans' has a typo.

Seedream 4.0

• + Features a bold sans-serif font that is very legible.
• + High-quality, vibrant food photography that fills the frame well.
• + Accurately represents the requested food categories.

• − Lacks an actual menu layout, appearing more like a collage than a professional design.
• − Missing the pricing and description details implied by a 'restaurant menu design'.
• − The composition feels unbalanced with large white gaps and inconsistent tile sizing.

FLUX1.1 [pro] Ultra

• + Perfect text rendering for all requested strings including the currency.
• + High-resolution textures on the meat and fresh vegetables.
• + Strong adherence to the fiery background and glowing embers theme.

• − Missed the starburst element for the price.
• − The burger stack layout is somewhat static rather than 'exploded' or showing radial motion.
• − Includes unnecessary hallucinated small text at the bottom.

Seedream 4.0

• + Excellent sense of motion with dynamic swoosh effects and tilted components.
• + Correctly followed the starburst requirement for the price.
• + The fiery font for the title is highly creative and fits the prompt perfectly.

• − Incorrect price text (€5.99 instead of €6.99).
• − The burger components are slightly less sharp in detail compared to the first model.
• − The bun and cheese look a bit more artificial/plastic.

FLUX1.1 [pro] Ultra

• + Natural wood frame and realistic café lighting.
• + High resolution with sharp text rendering.

• − Significant text repetition and spelling hallucinations like 'mushroommm ris' and 'friistratnisnios'.
• − Failed to follow the 'elegant cursive' instruction for the title.
• − The text layout becomes messy and cluttered towards the bottom.

Seedream 4.0

• + Excellent adherence to the 'elegant cursive' title style.
• + Superior chalk texture with realistic smudges and dusty residue.
• + High accuracy in rendering the specific requested menu items without spelling errors.

• − Slightly softer focus in the background compared to Model A.
• − Minor artifact on the word 'Aprill' with an extra 'l' barely visible.

FLUX1.1 [pro] Ultra

• + Excellent visual clarity and high resolution
• + Cinematic composition with a grand scale
• + High level of detail in the horse's anatomy and the space background

• − Failed the negative constraint to have the horse on top of the astronaut
• − Ordinary interpretation of the prompt aside from the setting

Seedream 4.0

• + Dynamic lighting and color palette in the nebula
• + Good rendering of textures on the spacesuit and horse

• − Failed the negative constraint to have the horse on top of the astronaut
• − Anatomy issues with the horse's front legs appearing distorted
• − Lower resolution compared to the competitor

FLUX1.1 [pro] Ultra

• + High resolution with very sharp textures on the capybara's fur.
• + Excellent lighting integration between the interior and the city bokeh.

• − Failed the spatial instructions by placing the passenger in the front seat holding a steering wheel.
• − The capybara's anatomy and size are inconsistent with the seated position.

Seedream 4.0

• + Excellent adherence to spatial reasoning, placing the passenger in the back and the capybara in the driver's seat.
• + Accurately depicts the capybara with both paws on the steering wheel as requested.
• + Captures the bored expression of the woman perfectly.

• − Lower resolution and slightly more painterly texture compared to Model A.
• − Text on the cap is garbled ('TAT' instead of 'TAXI').

FLUX1.1 [pro] Ultra

• + Excellent typography rendering for the primary details.
• + Clean and symmetrical layout that works well as a formal invitation.
• + Vibrant and cinematic glow on the central jack-o-lantern.

• − Redundant text generation below the banner with spelling errors ('noickt').
• − The border feels a bit more like generic clip-art than the requested gothic parchment style.

Seedream 4.0

• + Higher atmospheric quality with cinematic moody lighting and textured background.
• + Better interpretation of the 'parchment' and 'thorns' border requested in the prompt.
• + Superior integration of elements into a cohesive, artistic scene.

• − Text on the small banner is slightly distorted and difficult to read.
• − Missing the word 'Party' in the prompt-specified primary title (only shows 'Invitation').

FLUX1.1 [pro] Ultra

• + Excellent soft refined textures and miniature aesthetic.
• + Pleasing decorative elements that follow the diorama theme.
• + Subtle, high-quality lighting that creates a realistic 3D render feel.

• − Text is slightly stylized/warped rather than strictly 'bold' and centered.
• − Includes stray elements like a small bug icon which was not requested.

Seedream 4.0

• + Perfect adherence to text hierarchy and centering.
• + Clean isometric composition that focuses strictly on the sushi.
• + Higher color contrast makes the food look more vibrant.

• − Lighting is a bit harsh, creating strong dark shadows that distract from the soft theme.
• − The 'miniature' diorama base is less creative than Model A.

FLUX1.1 [pro] Ultra

• + Excellent soft lighting and bokeh effect.
• + Consistent artistic style across all four animals.
• + High level of detail in the fur texture.

• − The style leans more toward 3D animation/illustration than photorealistic.
• − The animals are mostly sitting still rather than 'tumbling and chasing' as requested.
• − The kitten and fox look very similar in facial structure.

Seedream 4.0

• + Successfully captures the active 'tumbling' and 'chasing' motion requested.
• + The environment feels more hyper-photorealistic with natural lighting and dew sparkles.
• + Clearer distinction between the breeds and species of the animals.

• − The fox's red color is slightly oversaturated.
• − The butterfly anatomy is a bit simplistic.
• − Minor lighting inconsistencies on the kitten's face.

FLUX1.1 [pro] Ultra

• + Strong vector emblem style with balanced geometric elements.
• + Excellent implementation of vintage color palette and clean lines.
• + High-quality graphic design aesthetic suitable for a professional logo.

• − Spelled the main name incorrectly as 'Caffé Framilian' instead of 'Caffé Florian'.

Seedream 4.0

• + Perfect text rendering of the requested name and date.
• + Good adherence to the minimalist prompt with a clear cloche dome and steam.
• + Displays a nice subtle paper texture as requested.

• − The 'Est. 1720' text is slightly off-center within the banner ribbons.
• − The composition is less cohesive than an integrated emblem, feeling more like separate clip-art pieces.

FLUX1.1 [pro] Ultra

• + Excellent vector aesthetic with a professional flat-design layout.
• + High-resolution rendering with crisp lines and smooth vector-style gradients.
• + Sophisticated composition that uses the lunar surface as a stylistic base.

• − Text is mostly gibberish despite the large amount of it.
• − Failed to logically sequence the 6 steps, repeating 'Landing' and scrambling indices.

Seedream 4.0

• + Follows the logical flow of the requested steps much more clearly.
• + Text is legible and correctly identifies the crew members.
• + Strong adherence to the NASA-inspired color palette.

• − Lower visual quality with noticeable artifacts and jagged lines around icons.
• − Art style is inconsistent, mixing flat vector icons with a more complex 3D-shaded lunar module.