Seedream 4.0 ByteDance vs Seedream 4.5 ByteDance

Seedream 4.0

• + Perfect adherence to the glass cube geometry.
• + Realistic rendering of reflections and refractions through the glass surfaces.
• + Excellent lighting that clearly comes from the left as requested.

Seedream 4.5

• + High resolution and realistic book texture.
• + Good lighting and shadows on the wooden table surface.

• − The 'cube' has broken geometry with a missing front corner/edge.
• − The blue sphere is merged with the glass wall rather than sitting inside it.
• − The glass object lacks a clear top surface for the book to rest on.

Seedream 4.0

• + Excellent preservation of the source car's model and color
• + Successfully places the man inside the vehicle while maintaining his identity and clothing
• + Dynamic and picturesque composition of the California coastline

• − The man appears slightly small in scale relative to the car interior

Seedream 4.5

• + High level of detail in the subject's clothing and accessories
• + Good preservation of the subject's face and hairstyle

• − The car door is inexplicably open while the car is in motion
• − The car model is significantly altered and no longer resembles the Rolls-Royce in the source image

Seedream 4.0

• + Excellent adherence to the 'imperfect framing' and 'candid' request with a natural-looking side-on perspective.
• + Highly realistic tools and bicycle mechanical details.
• + Subtle and believable motion blur on the passing vehicle.

• − The reflections on the pavement are slightly less pronounced than requested.
• − The man's face is looking down, losing some of the 'natural skin texture' detail.

Seedream 4.5

• + Superior rendering of rain streaks and wet pavement reflections.
• + Beautiful cinematic lighting and bokeh from the vehicle headlights.
• + Highly detailed facial texture and skin realism.

• − The bicycle chain and wrench interaction is physically impossible (wrench is floating/clipping through the chain).
• − The 'candid' feel is slightly lost as the subject appears to be posing for the camera.

Seedream 4.0

• + Excellent character expression with intense, lifelike eyes.
• + Very clear and intricate engraving on the plate armor.
• + Dynamic lighting with a strong sense of mood from the torchlight.

• − The beads in the hair are a bit thick and less refined in placement.
• − Leather straps appear slightly flatter compared to the armor.

Seedream 4.5

• + Superb skin texture including detailed pores, faint scars, and dirt.
• + Extremely high fidelity on the leather straps and braided cordage.
• + Elegant beadwork and hair detail that feels more naturally integrated.

• − The background sparks are slightly less varied in shape.
• − The face-to-armor scale makes the shoulder piece feel slightly oversized.

Seedream 4.0

• + Successfully renders large, bold headers with correct spelling.
• + High-quality, realistic food photography.
• + Follows the request for a grid-style layout for the photos.

• − Missing the actual menu items and prices, appearing more like a mood board than a menu design.
• − Layout is a bit disjointed with large white gaps and overlapping text elements.

Seedream 4.5

• + Excellent structure that actually resembles a functional restaurant menu.
• + Includes price points and menu items alongside the category headers.
• + Uses vibrant colored borders to distinguish sections as requested.

• − Smaller secondary text contains several typos (e.g., 'Appetizters', 'Festaurant').
• − Layout is linear/stacked rather than a true 'grid' as requested.

Seedream 4.0

• + Successfully captures a strong sense of motion with spiral energy trails.
• + Clean rendering of the 'MAGIC BURGER' text with a nice fire effect.
• + Good use of embers and ground-level fire for atmosphere.

• − Failed the price requirement by displaying €5.99 instead of €6.99.
• − The 'exploded' effect is slightly confused, showing two partial burgers rather than one deconstructed burger.
• − One piece of cheese appears to be floating unnaturally between the two patties.

Seedream 4.5

• + Perfect adherence to all text requirements, including the correct €6.99 price.
• + Higher level of photorealistic detail on the textures of the bun and patty.
• + Excellent composition that centers the burger while maintaining the 'exploded' motion with scattered ingredients like cucumber and tomato.

• − The 'MAGIC' text has a slight overlap with the top bun.
• − The motion blur on the flying tomato slice is a bit inconsistent with the rest of the object sharpness.

Seedream 4.0

• + Excellent chalk texture throughout the board with realistic smudging.
• + Superior cursive handwriting style that looks truly hand-made.
• + Perfect spelling and completion of the complex third menu item.

• − The perspective is slightly angled rather than a direct front view.

Seedream 4.5

• + Clean, well-centered composition with a straight-on perspective.
• + Highly legible text with consistent spacing.
• + Good adherence to the specific date and menu items requested.

• − The first menu item repeats the name and price in an awkward double-line arrangement.
• − The cursive title looks less 'elegant' and more like a standard print-script hybrid compared to Model A.

Seedream 4.0

• + Successfully integrated clothing elements from Image 2 while attempting the pose.
• + Retained the yellow background environment well.

• − Failed to preserve the face and character identity from Image 2.
• − Pose is a significant departure from the source Image 1 with distorted anatomy.
• − Faces and hands exhibit severe artifacts and poor resolution.

Seedream 4.5

• + Excellent character preservation, maintaining the face, sunglasses, hair, and expression from Image 2.
• + Highly accurate recreation of the dynamic pose from Image 1.
• + Superior visual quality with clean lines and natural lighting integration.

• − None notable; the model executed a complex character-swap and pose-transfer task flawlessly.

Seedream 4.0

• + Excellent high-frequency detail in the horse's mane and skin texture
• + Cinematic lighting with a beautiful reflection of a nebula in the astronaut's visor
• + Strong composition with a sense of scale and motion

• − Failed the negative constraint; the astronaut is riding the horse, not vice versa
• − The horse's front legs and hoof anatomy are slightly distorted

Seedream 4.5

• + Very atmospheric lighting with galaxy and nebula colors
• + Good central composition and dynamic floating pose
• + High visual quality with clean rendering of the space suit

• − Failed the negative constraint; the astronaut is riding the horse
• − The astronaut has an extra leg appearing below the horse's belly

Seedream 4.0

• + Successfully replicates the entire pose, including legs and shoes, found in Image 2.
• + Captures the intricate pattern of the scarf well.

• − Failed the primary instruction to keep the face unchanged, blending it with the person from Image 2.
• − Completely altered the original person's height and body proportions.
• − The face details are messy with overlapping textures.

Seedream 4.5

• + Perfectly preserves the identity, face, and hair of the person in Image 1.
• + Accurately adapts the clothing to the torso and arms while maintaining the original background.
• + Correctly includes the requested accessories like the watch and ring.

• − Does not show the legs and shoes requested in the prompt.
• − The fabric logic is slightly flawed where the skin shows through the open shirt area.

Seedream 4.0

• + Excellent texture on the capybara's fur and clothing.
• + Perspective feels very cinematic and realistic for a car interior shot.
• + The passenger's expression perfectly captures the 'boredom' requested in the prompt.

• − The text on the cap is slightly distorted, reading 'TAT' instead of 'TAXI'.
• − The capybara's hands look somewhat like human hands covered in fur rather than paws.

Seedream 4.5

• + Perfectly legible text on the taxi cap.
• + Strong color balance and lighting that feels authentic to NYC at night.
• + Good composition with the capybara directly facing the viewer through the windshield.

• − The capybara's paws are rendered a bit strangely, looking like multiple finger-like protrusions.
• − The passenger's hair and neck area have some minor blurring artifacts.

Seedream 4.0

• + Atmospheric cinematic lighting with a strong glow from the pumpkin.
• + Includes a complex and visually interesting thorn and cobweb border.
• + The textured, weathered appearance of the parchment background feels very authentic to the vintage theme.

• − Text on the small scroll banner is poorly rendered and difficult to read.
• − Composition is a bit cluttered, especially in the bottom text area.

Seedream 4.5

• + Excellent typography with clean, legible text on both the title and the scroll banner.
• + Clear and organized layout for the event details at the bottom.
• + Good contrast between the dark blue sky and the warm pumpkin glow.

• − The 'thorns' in the border look more like modern barbed wire than natural gothic thorns.
• − Slightly less 'cinematic' and gritty than Model A, appearing more like a clean digital graphic.

Seedream 4.0

• + Successfully added a very full and thick head of hair
• + Maintains the exact background and clothing from the source image
• + Matches the dark hair color to the beard

• − The hairline and volume look somewhat unnatural and 'wig-like'
• − The hair texture is slightly fuzzy/blurry compared to the sharp beard texture

Seedream 4.5

• + Creates a much more realistic and believable hairline
• + Texture of the hair perfectly matches the coarse, realistic texture of the beard
• + Preserves facial features and lighting with high fidelity

• − The hair is slightly less 'full' than Model A, though more realistic

Seedream 4.0

• + Clean, crisp text rendering for both 'JAPAN' and 'SUSHI'.
• + Excellent miniature aesthetic with vibrant, appealing colors.
• + Very high detail on the sushi textures, particularly the grain of the fish and the rice.

• − The raised diorama base is very thin, almost looking like just a tray.
• − The flag icon is slightly simple compared to the other graphics.

Seedream 4.5

• + Accurately interprets the 'raised diorama base' as a thick, blocky platform.
• + Good use of depth of field and realistic lighting on the 3D objects.
• + Includes a literal flag icon with a flagpole, adding to the miniature feel.

• − The 'JAPAN' text has a slight artifact/glitch on the letter 'N'.
• − Overall composition feels a bit less polished than Model A.
• − The diorama base texture is somewhat grainy and less 'refined' than requested.

Seedream 4.0

• + Successfully incorporates all elements: news desk, microphone, dog, hockey stick, and jersey.
• + Captures the 'caricature' style well with an exaggerated wide-mouth expression and bobblehead proportions.
• + Maintains a strong resemblance to the source subject's facial features despite the exaggeration.

• − Small anatomical errors such as the hand holding the phone having an extra/distorted finger.
• − The background becomes slightly more cluttered compared to the clean original.

Seedream 4.5

• + High visual clarity and very clean rendering of the anchor desk and hockey equipment.
• + Professional lighting and composition that feels like a polished 3D animation style.
• + Excellent preservation of the subject's face while applying the caricature proportions.

• − Less 'humorous' and 'exaggerated' in its expression compared to Model A, opting for a standard smile.
• − The placement of the dog on the desk feels a bit static and less integrated into the scene's story.

Seedream 4.0

• + Successfully added blowing hair and falling leaves.
• + Excellent source preservation, maintaining the exact pose and features of the subject.

• − The falling leaves appear a bit flat and lack motion blur.
• − The overall 'energetic feel' is subtler compared to Model B.

Seedream 4.5

• + Superior dynamic feel with motion blur on leaves and a wider, more active stance.
• + Hair motion is very well-executed and feels natural to the wind direction.
• + Maintains very high visual quality and likeness to the original subject.

• − Slightly altered the subject's pose (arms are wider) compared to the source image.
• − Small artifacting where the leash meets the dog's collar.

Seedream 4.0

• + Perfect text rendering for both the name and the date banner.
• + Excellent use of texture on the background and within the logo elements.
• + Warm, cohesive color palette that matches the 'vintage restaurant' prompt.

• − The steam lines are slightly asymmetrical.
• − A bit more 'illustrated' than 'vector minimalist' but still very close.

Seedream 4.5

• + Closer to a clean 'vector' style with sharper lines.
• + Accurate text rendering and layout.
• + Well-defined highlights on the cloche dome.

• − The accent mark on 'Caffè' is oriented incorrectly (grave vs acute).
• − The 'Est. 1720' text is slightly off-center within the banner.
• − The background texture is much more subtle, making it feel slightly flatter.

Seedream 4.0

• + Successfully renders all 6 requested steps with numbers.
• + Legible main titles and astronaut names.
• + Good inclusion of 'Tranquility' as the landing site.

• − Icons for steps 5 and 6 are fused into one large illustration, ruining the step-by-step layout.
• − Inconsistent vector style with some messy lines and overlapping numbers.
• − Text alignment and spacing is cluttered.

Seedream 4.5

• + Excellent clean, modern vector aesthetic that perfectly matches the 'flat-vector' request.
• + Logical layout with clear vertical guide lines for all 6 steps.
• + Superior color palette application and professional font choice.

• − Step 5 uses a generic satellite icon instead of a descending lunar module.
• − Spelling error in 'Tranquility' (missing an 'l').