FLUX.2 [pro] Black Forest Labs vs Seedream 4.5 ByteDance

FLUX.2 [pro]

• + Excellent photorealism and soft lighting
• + Accurate depiction of a thick plexiglass or glass cube
• + Aesthetic composition with professional depth of field

• − The sphere appears more matte/plastic than glass-like
• − The plant is very blurry and mostly behind the book rather than visible through the glass cube

Seedream 4.5

• + Perfect adherence to the requirement of seeing the plant through the glass
• + Complex light caustic and reflection on the table
• + High technical accuracy for the transparency of the sphere

• − The book texture appears slightly simplified
• − The lighting on the front face of the cube is somewhat flat

FLUX.2 [pro]

• + Excellent preservation of the specific Rolls-Royce Phantom Drophead Coupé model from the source.
• + Natural integration of the man into the driver's seat with motion blur on the wheels.
• + Accurately depicts the requested California coastline background.

Seedream 4.5

• + Incredible preservation of the man's full outfit, including the specific coat, scarf, cargo pants, and boots.
• + Cleverly shows the man inside the car while keeping the door open to display the full ensemble.
• + High visual quality and realistic lighting on the subject.

• − The car's proportions and interior details are heavily distorted compared to the source image.
• − The perspective of the open door while the car is supposedly 'driving' is physically illogical.

FLUX.2 [pro]

• + Excellent adherence to the 'imperfect framing' prompt with the bike's front wheel cut off.
• + Highly realistic skin textures and fine details on the hands and face.
• + Mechanically accurate bicycle components including the derailleur and chain stay.

• − Relative lack of motion blur from passing cars compared to Model B.
• − The rain effect is very subtle, almost difficult to see on the subject.

Seedream 4.5

• + Strong interpretation of motion blur with the streaking lights and car silhouette.
• + Excellent rain atmosphere with visible droplets and high-contrast wet pavement reflections.
• + Good candid feel with the subject looking directly at the camera.

• − The bicycle mechanics are nonsensical; the chain is hanging loose and not connected to a crankset.
• − The wrench tool the man is holding merges awkwardly into his hand and the wheel hub.
• − Visible AI artifacts/smudging on the man's jacket and the rear tire.

FLUX.2 [pro]

• + Excellent adherence to the 'grid' requirement for food photos.
• + Very clean, professional layout that closely resembles a real-world print menu.
• + Higher text legibility and better preservation of sans-serif font styles.

• − Logical errors in text content, such as listing 'Pizza' twice and misspelling 'Mains' as 'MINS'.
• − Some food photos don't match their labels (e.g., steak under the first Pizza heading).

Seedream 4.5

• + Clean, modern minimalist aesthetic with effective colored borders.
• + High-quality, vibrant food photography that fills the frame well.
• + Correct spelling of menu section headers like 'Mains'.

• − Failed the 'grid' requirement, opting for single large images per section instead.
• − Text alignment is slightly inconsistent, and repeated words like 'Restaurant' in the list feel like filler.

FLUX.2 [pro]

• + Excellent side-profile lighting and cinematic depth of field.
• + Very realistic capybara fur texture and skin details on the hands.
• + Better integration of the background city lights with the car's interior reflections.

• − The paws on the wheel look a bit too human-like and uncanny.
• − The businesswoman's face looks slightly blurred and less detailed.

Seedream 4.5

• + Perfectly captures the 'bored' expression requested for the businesswoman.
• + The capybara's paws look more like natural animal paws while still gripping the wheel.
• + Includes 'TAXI' text on the hat as implied by the professional driver context.

• − The composition is a bit flat with a more centered, symmetrical framing.
• − The fur texture on the capybara's face is slightly less sharp than in Model A.

FLUX.2 [pro]

• + Excellent realism in hair texture and flow
• + Natural integration of the hairline with the forehead
• + Color matches the existing beard well with realistic salt-and-pepper highlights

• − Significantly altered the beard shape and fullness
• − Subtly changed facial features, making the person look like a different individual

Seedream 4.5

• + Excellent preservation of the original facial features and beard
• + Perfectly maintains the background and lighting of the source image
• + Follows the edit instructions while keeping the subject recognizable

• − The hairline is slightly too uniform and dark
• − The hair texture on top is a bit dense/flat compared to the sides

FLUX.2 [pro]

• + Perfectly captures the 'caricature' style with an expressive 2D illustration.
• + Excellently integrates all elements: dogs in hockey gear, rink-themed desk, and anchor studio.
• + High creative effort in transforming the environment into a cohesive scene.

• − The facial resemblance to the source image is significantly reduced in the cartoon style.
• − Moves away from the source image's realism entirely.

Seedream 4.5

• + Maintains a much stronger facial resemblance to the subject in the source image.
• + Effectively uses a 'big head' caricature style while keeping high-quality textures.
• + Preserves the original background elements (wall, frames, couch) while adding the desk.

• − The hands are poorly rendered and look like small plastic nubs.
• − The integration of the hockey stick and gloves feels a bit like a clipart overlay compared to the rest of the scene.

FLUX.2 [pro]

• + Perfectly preserves the identity and facial features of the woman and the dog.
• + Adds dynamic blowing hair that looks very natural and follows the wind direction.
• + Maintains the exact clothing and background details from the original image.

• − The flying leaves are quite large and some appear slightly blurry in the foreground without much motion blur.

Seedream 4.5

• + Adds a strong sense of energy by changing the woman's pose to a light jog.
• + The leaves are smaller and more numerous, creating a chaotic, windy atmosphere.
• + Successfully adds motion blur to the edges of the frame to increase the 'energetic' feel.

• − Changes the facial features of the woman significantly, losing the identity from the source image.
• − Modifies the woman's clothing (shorter jacket) and the dog's leash/harness position.
• − Lowers the overall sharpness and resolution compared to the source.

FLUX.2 [pro]

• + Excellent adherence to the 'minimalist' and 'vector emblem style' descriptors.
• + Precise typography and accurate rendering of the 'Est. 1720' banner.
• + Very clean layout with professional-looking line work and shading.

• − The 'cloche' looks slightly more like a bowl or lid than a traditional high-domed cloche.

Seedream 4.5

• + Bold, clear design that emphasizes the cloche dome well.
• + Good use of the requested warm brown and cream color palette.
• + The text is legible and follows the curve of the emblem naturally.

• − The 'Est. 1720' banner is cut off at the edges of the image frame.
• − The 'cloche' shape is slightly flattened and the steam is very small compared to the text.
• − A bit less 'minimalist' than requested due to the high-contrast solid brown circle.

FLUX.2 [pro]

• + Excellent typography and readability for main headings.
• + Stronger illustrative vector style with more detail in the spacecraft icons.
• + More cohesive vertical layout that tells a story from top to bottom.

• − Missed several steps of the requested 6-step sequence, only visualizing four main sections.
• − Body text under headings is illegible gibberish.

Seedream 4.5

• + Perfect adherence to the 6-step prompt requirements, including all numbered stages from Launch to Landing.
• + Extremely clean and professional vector iconography that looks like a real infographic.
• + Accurate text rendering for all labels and the NASA-inspired header.

• − Icon for 'Descent' (step 5) incorrectly shows a satellite rather than a lunar module.
• − The Saturn V rocket in step 1 is a bit vertically compressed.