FLUX.1 Kontext [max] Black Forest Labs vs Seedream 4.5 ByteDance

FLUX.1 Kontext [max]

• + Excellent adherence to lighting instructions with dramatic soft shadows from the left.
• + Realistic textures on the red book and wooden table.
• + Accurate glass refraction and reflections including the blue sphere's reflection.

• − The blue sphere has a slightly textured/glittery appearance rather than a smooth finish.
• − The plant in the background is quite dark due to the high contrast lighting.

Seedream 4.5

• + Beautifully rendered smooth, glass-like blue sphere.
• + The plant is very clearly visible through the glass cube as requested.
• + Clean, minimalist composition with realistic table grain.

• − The lighting feels less directional and lacks the specific 'from the left' shadow depth seen in the other model.
• − The book and sphere appear slightly more synthetic/rendered compared to the more photographic look of Model A.

FLUX.1 Kontext [max]

• + Excellent handling of shallow depth of field and soft background bokeh
• + Realistic clothing texture and natural skin tones
• + Atmospheric rain streaks create a strong sense of mood

• − Failed to include motion blur from passing cars
• − The bicycle chain geometry is physically impossible and detached from the gear
• − The subject is missing a hand or has an anatomical merging at the wrist

Seedream 4.5

• + Successfully captured motion blur from passing cars as requested
• + Stronger adherence to the Japanese setting with legible (though slightly stylized) signage
• + Water droplets on the raincoat and bicycle frame are highly detailed and realistic

• − The man's hands are mangled with significant anatomical artifacts
• − The bicycle chain and wheel spokes are messy and lack structural consistency

FLUX.1 Kontext [max]

• + Excellent metal engraving detail
• + High contrast lighting consistent with torchlight

• − The skin texture appears overly waxy and oily
• − Missed the request for beads in the hair braids

Seedream 4.5

• + Perfect adherence to specific details like hair beads and scars
• + Superior skin texture and realistic eye details
• + Complex layering of leather, cloth, and plate armor

• − The flame in the lower left is slightly blown out

FLUX.1 Kontext [max]

• + Excellent professional layout that resembles a real physical menu.
• + Clean white background with food images that are well-integrated into the design.
• + Good implementation of a grid system for photography.

• − The text is largely illegible gibberish.
• − The food variety is low, consisting almost entirely of pizza despite the prompt for varied sections.

Seedream 4.5

• + Successfully includes the requested sections: Appetizers, Pizza, and Mains.
• + High clarity in the food photography and vibrant color accents.
• + Clean sans-serif typography that is highly legible.

• − The vertical stack isn't quite a 'grid' as usually defined in design layouts.
• − The menu items listed under the headers are repetitive or nonsensical (e.g., 'Restaurant' listed as a main dish).

FLUX.1 Kontext [max]

• + Excellent text legibility and alignment
• + Photorealistic food textures for the main burger
• + Good interpretation of glowing embers and debris

• − The burger is not truly 'exploded' as most components are still stacked
• − The starburst for the price is missing, replaced by a tiny sun-like icon
• − The floating bun halves on the sides look unnatural and detached

Seedream 4.5

• + Stronger sense of motion with motion blur on debris
• + Excellent 'fiery, glowing effect' on the text and price starburst
• + Dynamic composition with a tilted angle that feels more like an advertisement

• − The price text is slightly misaligned within the starburst
• − The burger itself is mostly intact rather than fully exploded into individual layers

FLUX.1 Kontext [max]

• + Perfect text accuracy for all requested menu items.
• + Excellent chalk texture on the board with realistic smudge marks.
• + Uniform yet varying handwriting style that looks authentic.

• − Failed the 'elegant cursive' requirement for the title, using standard print instead.
• − Lighting is a bit flat compared to the competitor.

Seedream 4.5

• + More artistic 'cursive' style for the header as specifically requested.
• + Higher level of realism in the café background lighting and depth of field.
• + Great chalk texture and dust effects on the surface.

• − Repetitive text error where 'Risotto - $24' is written twice.
• − Slightly less legible handwriting in the bottom sections.

FLUX.1 Kontext [max]

• + Excellent anatomical details on the horse's muscles and hair.
• + Superior cinematic lighting and crispness of the astronaut suit.
• + Clean composition with a beautiful lens flare effect.

• − The mane and tail physics look a bit stiff for a space environment.
• − The bridle design is slightly generic and overlaps awkwardly with the reins.

Seedream 4.5

• + Vibrant color palette with beautiful nebulae and lighting effects.
• + Dynamic pose with the astronaut gesturing, adding a sense of action.
• + Strong surreal atmosphere with sparkling particles trailing the horse.

• − The astronaut's left hand is poorly rendered and melting into the reins.
• − The horse's hind legs have anatomical issues and strange spatial positioning.
• − The composition is a bit more cluttered compared to the other model.

FLUX.1 Kontext [max]

• + Excellent photographic quality with a shallow depth of field.
• + Highly realistic fur texture and capybara facial features.
• + Cinematic lighting that matches a nighttime New York setting.

• − The passenger is on a call rather than looking at her phone as specified.
• − The capybara only has one paw visible on the steering wheel.
• − The composition is a side profile, making the cab interior less visible.

Seedream 4.5

• + Perfect adherence to the prompt, showing both paws on the wheel and the passenger looking at her phone.
• + Excellent composition that captures the full scene from the front view.
• + Clear, readable text on the taxi cap.

• − Slightly less realistic skin texture on the human passenger.
• − The capybara's paws look somewhat artificial/clunky on the steering wheel.

FLUX.1 Kontext [max]

• + Excellent typography style that matches the gothic aesthetic perfectly.
• + Consistent and intricate thorny border with integrated spiderwebs.
• + Detailed glowing jack-o-lantern with a menacing expression.

• − Redundant text in the event details section.
• − The layout is slightly cramped with the title overlapping the scroll icon pieces.

Seedream 4.5

• + Clean, readable layout with distinct hierarchy between elements.
• + High-quality cinematic lighting on the pumpkin and twisted trees.
• + Faithful execution of both the banner and the specific requested thorns.

• − The font is a bit too modern/soft for a 'vintage gothic' prompt.
• − The 'border' is composed of floating elements rather than a cohesive frame around the parchment.

FLUX.1 Kontext [max]

• + Excellent addition of thick, voluminous hair
• + Maintains original clothing and background details perfectly
• + The hair texture and lighting match the environmental scene

• − Slightly alters facial features around the eyes and nose compared to the original
• − The hairline/forehead connection is a bit harsh

Seedream 4.5

• + Perfect preservation of original facial features and expression
• + Achieves a very natural and realistic hairline integration
• + Seamless addition of hair that looks native to the original photo

• − The hair is lower volume and less 'full' than requested compared to Model A

FLUX.1 Kontext [max]

• + Excellent typography integrated into the 3D space.
• + High-quality soft lighting and clean materials.

• − Missed the request for a small flag icon.

Seedream 4.5

• + Accurately included the flag icon as requested.
• + Better variety of sushi types on the plate.

• − Texture on the diorama base is slightly grainy.
• − Text placement is less balanced with the overall composition.

FLUX.1 Kontext [max]

• + Successfully captures all three prompt elements: news anchor, dog, and hockey (stick visible in top right).
• + The 2D illustration style effectively conveys a 'humorous caricature' vibe.
• + Maintains the blue denim shirt from the source image.

• − The facial resemblance to the source image is low due to the heavy cartoon stylization.
• − Hand anatomy is slightly distorted, particularly the hand on the desk.

Seedream 4.5

• + Excellent preservation of the source subject's facial features despite the caricature proportions.
• + High-quality 3D render style with clear details on the hockey gear and microphone.
• + Strong composition that logically integrates the news desk, the dog, and the hockey equipment.

• − The hockey gloves feature nonsensical 'AI-style' text/branding.
• − The background remains the original living room, which slightly clashes with the professional news desk.

FLUX.1 Kontext [max]

• + Excellent fur textures on all animals
• + Clean, high-resolution details in the faces and eyes
• + Vibrant colors and a very soft, wholesome atmosphere

• − Static composition; the animals are sitting/posing rather than chasing butterflies
• − Heavy use of lens flare/blooms feels slightly artificial

Seedream 4.5

• + Dynamic composition that perfectly captures the 'playfully chasing' and 'tumbling' aspect of the prompt
• + Beautiful 'god rays' and dew sparkle effects that add to the sunrise vibe
• + Very cinematic lighting and depth of field

• − The fox kit has massive eyes that look slightly more cartoonish compared to the others
• − Small anatomical oddities in the paws during movement

FLUX.1 Kontext [max]

• + Excellent preservation of the specific poses and facial features from the original meme
• + Captures the textures of colored pencils and grain typically found in Ghibli concept art
• + Highly accurate rendering of the plaid pattern on the shirt

• − The character faces look more like modern generic anime than specific Studio Ghibli character designs
• − The lighting is slightly flat compared to the requested dreamy atmosphere

Seedream 4.5

• + Stronger adherence to the specific Studio Ghibli character aesthetic and line art style
• + Better application of soft watercolor textures and 'dreamy' background lighting
• + Maintains the composition and narrative of the source image perfectly

• − Small visual artifact on the left hand of the woman in red
• − The hair on the woman in the foreground is slightly less detailed than Model A

FLUX.1 Kontext [max]

• + Maintains the subject's face and original pose with very high accuracy.
• + Subtle yet natural-looking hair motion that integrates well with the original lighting.

• − The flying leaves are small, sparse, and look slightly like green flecks rather than distinct leaves.
• − The change in hand position on the right side creates a slightly awkward anatomical reaching gesture.

Seedream 4.5

• + Strong sense of motion with large, distinct flying leaves across the foreground and background.
• + Dynamic hair physics that clearly communicate the 'windy' instruction.

• − Significantly alters the subject's facial features and the dog's expression compared to the source.
• − The dog's leash attachment and the woman's left hand are less realistic than the source.

FLUX.1 Kontext [max]

• + Excellent typography with a period-appropriate serif font.
• + Perfect adherence to the vector emblem request with high-quality grit texture.
• + Great balance between the central icon and the text elements.

• − The accent mark on the letter 'E' is slightly stylized in a way that might look like a smudge to some.

Seedream 4.5

• + Clean, professional vector style with smooth gradients.
• + Highly legible text and clear iconography.
• + Good use of the warm brown and cream color palette.

• − The text capitalization in 'Florian' is inconsistent with the sentence case 'Caffè'.
• − The arched text creates a slightly less balanced composition compared to the centered stack.

FLUX.1 Kontext [max]

• + Excellent typography rendering for names and main title
• + High-quality silhouette illustrations of the crew members
• + Clean, modern aesthetic with a pleasing layout

• − Failed to include exactly 6 numbered steps as requested
• − Used a generic cartoon rocket instead of the requested Saturn V icon
• − The flow of information is confusing and does not logically follow the requested steps

Seedream 4.5

• + Followed the multi-step structure perfectly with 6 numbered points
• + Accurately depicted the Saturn V rocket and Lunar Module
• + Excellent adherence to the 'flat-vector' style and specific icons requested

• − Small text artifacting on astronaut names
• − Graphic for 'Descent' (step 5) looks more like a satellite than a descending lunar module