FLUX.2 [dev] Flash fal vs Seedream 4.5 ByteDance

FLUX.2 [dev] Flash

• + Perfect adherence to the spatial requirements of the prompt.
• + Highly realistic textures on the glass, book, and wooden table.
• + Very natural lighting and depth of field that follows the 'soft window light' instruction.

• − The plant in the background is a bit generic, though it fits the prompt.

Seedream 4.5

• + Vibrant colors and strong contrast with sunlight streaks.
• + Includes all requested elements: cube, sphere, book, and plant.

• − The blue sphere is clipping through the glass wall of the cube, a significant physical error.
• − The cube is rendered more like a solid glass block rather than a hollow container, making the sphere appear embedded.
• − The lighting is harsh and direct rather than the requested 'soft window light'.

FLUX.2 [dev] Flash

• + Excellent preservation of the subject's face, hair, and specific clothing patterns.
• + Cinematic lighting and high-quality background rendering of the California coast.
• + Seamlessly integrates the car and driver into a motion-blurred scene.

• − The interior of the car (dashboard) changed significantly from the source image.

Seedream 4.5

• + Excellent preservation of the full outfit, including the cargo pants and shoes.
• + Maintains the smiling expression from the source image accurately.
• + Accurately places the subjects into a coastal setting.

• − The car door is awkwardly open while the car appears to be in motion.
• − The car's door and seat geometry are somewhat distorted compared to the source.

FLUX.2 [dev] Flash

• + Excellent depiction of motion blur in the background cars.
• + Highly realistic skin texture and age details on the man's hands and face.
• + The wet pavement and reflections feel grounded and authentic.

• − The man's hands are mangled and anatomically incorrect around the brake cables.
• − The bicycle geometry is slightly warped, particularly the front wheel and fork area.

Seedream 4.5

• + Stronger narrative composition with the man looking at the camera.
• + More atmospheric raining effect with visible streaks and light trails.
• + Clearer depiction of 'repairing' with a visible wrench tool.

• − The wrench is disconnected from the hand and floating curiously.
• − The background cars and light trails look more like a digital painting than a 50mm lens photo.
• − The man's skin looks somewhat smoother and less natural compared to the other model.

FLUX.2 [dev] Flash

• + Excellent depiction of bead-adorned braids across the whole head.
• + Highly symmetrical and intricate engraving on the plate armor.
• + Clear and logical placement of leather straps and buckles.

• − The blood/scars look a bit like surface-level paint rather than deep skin texture.
• − The lighting feels somewhat flat despite the presence of torches.

Seedream 4.5

• + Superior skin texture with realistic scars, dirt, and lifelike iris detail.
• + Dynamic, warm lighting that realistically reflects off the gold-toned armor.
• + Beautifully rendered shallow depth of field and bokeh sparks.

• − The braid beads are a bit repetitive and less varied than in the first image.
• − The armor engraving is slightly softer in focus than the face.

FLUX.2 [dev] Flash

• + Stronger adherence to the 'grid' layout requested in the prompt.
• + Professional look that resembles a real printed menu sheet.
• + Good variety of vibrant color accents through the border highlights.

• − Text rendering is messy with several typos and glitched characters.
• − The pizza photos are very repetitive, with most images looking nearly identical.

Seedream 4.5

• + Extremely clean and readable text compared to the other model.
• + Food photography is diverse and high quality, showing different types of dishes.
• + Very strong minimalist aesthetic with excellent use of negative space.

• − Does not follow the 'grid' layout for photos, opting for a vertical stack instead.
• − The pricing shown is unrealistic for a casual dining menu ($79-99).

FLUX.2 [dev] Flash

• + Excellent typography with a cohesive glowing ember effect.
• + Perfect adherence to all text requirements including the starburst shape.
• + Very clean and photorealistic rendering of the individual burger layers.

• − The 'exploded' effect is a bit static compared to the motion blur in the competitor.

Seedream 4.5

• + Stronger sense of motion with effective motion blur on flying ingredients.
• + More dynamic and impactful 'fiery' typography for the main title.
• + Rich, warm lighting that complements the fire theme well.

• − The burger is less 'exploded' as some layers are still touching.
• − The starburst design for the price is slightly less integrated into the environment than in Model A.

FLUX.2 [dev] Flash

• + Excellent adherence to text accuracy and spelling.
• + Highly realistic chalk texture with authentic smudges and dust on the board.
• + Sophisticated elegant cursive for the title as requested.

• − The layout is slightly tight with the third item being added at the very bottom edge.

Seedream 4.5

• + Very clear and legible handwriting.
• + Aesthetically pleasing wood frame and background lighting.
• + Correct completion of the truncated prompt text.

• − Repetitive text error where 'Risotto - $24' is written twice in the first entry.
• − The handwriting style in the title is less 'elegant cursive' and more of a blocky script compared to Model A.

FLUX.2 [dev] Flash

• + Successfully replicates the clothing and face of the character reference.
• + Maintains the lighting and vibrant yellow background of the pose reference.

• − Fails to follow the pose, placing the character in a forward-facing crouch rather than the dynamic leaning pose.
• − Significant anatomical artifacts including a floating second head/hair behind the main character.

Seedream 4.5

• + Excellent adherence to the dynamic leaning pose from Image 1.
• + Accurately transplants the character's face, sunglasses, scarf, and clothing details onto the new pose.
• + Clean anatomy with realistic integration of the character into the environment.

• − Minor distortion in the proportions of the feet on the ottoman.

FLUX.2 [dev] Flash

• + High level of cinematic detail in the spacesuit and horse fur
• + Convincing depth of field with planetary elements
• + Sharp rendering of textures like the leather bridle

• − Failed to follow the logical reversal prompt (horse on top of astronaut)
• − The composition is a cliché interpretation of the prompt

Seedream 4.5

• + Vibrant color palette with nebula effects
• + Dynamic pose and lighting on the horse's musculature

• − Failed to follow the logical reversal prompt (horse on top of astronaut)
• − Anatomy issues with the astronaut's right arm appearing disconnected
• − Noticeable artifact under the horse's belly

FLUX.2 [dev] Flash

• + Successfully captured the coat and scarf textures.
• + Attempted to add more jewelry as requested.

• − Severely corrupted the subject's face with a nightmare-like double exposure.
• − Added a ghostly second head behind the main subject.
• − Poorly rendered jewelry that looks like flat clipart.

Seedream 4.5

• + Perfectly preserved the subject's identity, including skin patterns and facial features.
• + Accurately transferred the coat, scarf, watch, and ring from Image 2.
• + Maintained consistent lighting and background from the source image.

• − Bizarrely placed the subject's skin pattern on top of the black shirt instead of dressing the torso.
• − Did not include the jeans or shoes as requested.

FLUX.2 [dev] Flash

• + Excellent texture on the capybara's fur
• + Accurate depiction of a business professional's bored expression
• + Higher resolution and cleaner lighting

• − The passenger is seated in the front passenger seat instead of the back seat as requested
• − The capybara's paws look more like primate hands than rodent paws

Seedream 4.5

• + Perfectly follows the spatial instruction of having the passenger in the back seat
• + Better facial anatomy for the capybara
• + Includes 'TAXI' text clearly on the driver's hat

• − Slightly lower image clarity compared to Model A
• − The lighting on the capybara is a bit flat compared to the background

FLUX.2 [dev] Flash

• + Excellent text rendering for even the smaller banner and event details.
• + Comprehensive adherence to the border request, incorporating thorns, webs, and scroll elements effectively.
• + Atmospheric lighting that feels polished and fits the gothic theme perfectly.

• − Includes a line of gibberish text ('Hurk: 03696') not requested in the prompt.

Seedream 4.5

• + Dynamic composition with a glowing moon and a vibrant blue and orange color palette.
• + Good placement of the central pumpkin and twisted trees to create depth.
• + Successful execution of the parchment paper texture and gothic font style.

• − The border features barbed wire instead of the requested thorns.
• − The text 'Time: 7pm' is placed awkwardly over the ground texture, making it harder to read.
• − The banner is less integrated into the overall design compared to Image A.

FLUX.2 [dev] Flash

• + Excellent preservation of the original image's details and background
• + Adds a very high volume of hair as requested

• − The hair texture and style (afro-textured) do not match the subject's existing beard and sideburn texture
• − The transition between the forehead and the hair looks a bit unnatural and forced

Seedream 4.5

• + Natural-looking hairline and hair texture that matches the existing beard perfectly
• + Highly realistic integration of hair onto the scalp with believable density
• + Perfect preservation of facial features and lighting from the source image

• − The hair is shorter than Model A's interpretation of 'full and thick', though still accurate to the prompt

FLUX.2 [dev] Flash

• + Perfect text rendering of 'JAPAN' and 'SUSHI'.
• + Clean isometric perspective with a professional wooden diorama base.
• + High-quality textures on the fish and rice that suggest a miniature clay/PBR look.

• − The sushi roll construction is a bit nonsensical with fish draped over a roll.

Seedream 4.5

• + Accurate variety of sushi including nigiri and maki rolls.
• + Good 45-degree isometric composition.
• + Includes a flag icon on a small pole as a creative touch.

• − The text 'SUSHI' is slightly warped and not perfectly bold/clean.
• − The diorama base texture is a bit grainy and less 'refined' than requested.

FLUX.2 [dev] Flash

• + Expertly combines all elements (TV anchor, dogs, hockey) into a single cohesive scene.
• + Successfully adopts a classic digital illustration caricature style with exaggerated features.
• + Creatively incorporates the dogs as hockey players and co-anchors.

• − Completely replaces the source background and outfit, losing the 'edit' nature of the task.
• − The subject's facial structure feels slightly less like a direct transformation of the original person compared to Model B.

Seedream 4.5

• + Preserves the source image's clothing and background elements effectively while adding new content.
• + Maintains a strong facial resemblance to the source image within the caricature style.
• + High visual clarity and realistic lighting on the added 3D elements like the microphone and hockey gear.

• − The caricature effect is limited mostly to an enlarged head rather than a fully stylized artistic interpretation.
• − The placement of the dog and hockey stick feels a bit like static overlays rather than an integrated scene.

FLUX.2 [dev] Flash

• + Excellent texture work that feels like a hand-painted colored pencil and watercolor illustration.
• + Captures the iconic 'distracted boyfriend' facial expressions with high fidelity.
• + Creative background addition of a flowery meadow that enhances the Studio Ghibli 'dreamy' aesthetic.

• − The character designs lean slightly more towards modern Josei manga than the classic Ghibli character aesthetic.

Seedream 4.5

• + Perfectly captures the specific Studio Ghibli character art style (eyes, nose, and hair shapes).
• + Maintains the city street background of the original photo while applying a beautiful watercolor wash.
• + Excellent color balance that stays true to the source material's vibrancy while adding nostalgia.

• − The facial expressions are slightly more neutralized compared to the intense emotions in the original meme.

FLUX.2 [dev] Flash

• + Excellent preservation of the subject's face and body features
• + Highly detailed hair strands with realistic wind patterns
• + High fidelity and sharpness throughout the image

• − The flying leaves look like static stickers placed on top of the image
• − Hair motion looks a bit symmetrical and unnatural
• − The lighting on the added leaves doesn't always match the environment

Seedream 4.5

• + More natural integration of flying leaves at various depths
• + Adds a subtle motion blur to the background for an energetic feel
• + Successfully recreates the hair blowing to one side

• − Slightly alters the facial features of the woman compared to the source
• − The dog's left paw and the girl's left hand have slight anatomical distortions
• − The overall image clarity is softer than the source

FLUX.2 [dev] Flash

• + Excellent typography with a natural vintage feel
• + Superior integration of components into a cohesive emblem
• + Effective use of subtle texture for an authentic retro look

• − The 'Est. 1720' text is placed below the banner rather than inside it

Seedream 4.5

• + Clean vector-style execution
• + Correctly places the 'Est. 1720' text inside the banner
• + Bold, readable typography

• − The main text 'Caffè Florian' is floating independently rather than being part of the emblem
• − The layout feels slightly disjointed compared to a professional logo
• − Lacks the subtle texture requested in the prompt

FLUX.2 [dev] Flash

• + Captures all requested icons with more complex, detailed renderings.
• + Correctly identifies the astronaut names (Armstrong, Aldrin, Collins).
• + Uses a rich navy and white palette that feels highly thematic.

• − The layout is cluttered and lacks a clear logical flow between steps.
• − Text rendering contains several gibberish errors (e.g., 'Sataurr Iccon').
• − Includes duplicate labels for 'Descent' and 'Landing' in a confusing arrangement.

Seedream 4.5

• + Exceptional adherence to the 'flat-vector' and 'infographic' request with clean horizontal flow.
• + Perfectly legible text and numbering for all six requested steps.
• + Superior composition that feels like a professional, modern infographic.

• − The 'Descent' icon (step 5) is a generic satellite rather than a lunar module descending.
• − Missing the specific 'Apollo 11' title in favor of a general 'NASA' header.