Nano Banana 2 Google vs Seedream 4.0 ByteDance

Nano Banana 2

• + Excellent photorealistic texture on the wooden table and red book.
• + Highly legible and relevant text on the book spine.
• + Perfect adherence to the spatial arrangement including the window light direction.

• − The glass cube looks more like a five-sided tank or open-faced box as the top edge is slightly ambiguous.

Seedream 4.0

• + Strong geometric representation of the glass cube with clear edges.
• + Beautiful caustic light effects on the table surface.
• + Captures the soft window light and depth of field effectively.

• − The perspective of the book on top of the cube feels slightly misaligned.
• − The blue sphere appears somewhat flat compared to the realism of Model A.

Nano Banana 2

• + Excellent preservation of the car's model and lighting details.
• + High-quality background generation featuring a classic Big Sur style coastline.
• + The man's likeness, hair, and clothing are remarkably consistent with the source image.

• − The driver appears to be sitting slightly too far back relative to the steering wheel.
• − The man is looking at the camera rather than the road while driving.

Seedream 4.0

• + Excellent driving posture with hands correctly positioned on the steering wheel.
• + Very accurate translation of the man's wardrobe (coat and scarf) into the seated position.
• + Preserves the car's specific design elements from the source image.

• − The man's facial features are less distinct and lower quality compared to the source image.
• − The background rendering is slightly more Painterly and less photo-realistic than Model A.

Nano Banana 2

• + Excellent atmospheric lighting with realistic reflections on wet pavement.
• + High level of detail in the bicycle mechanics and tools.
• + Authentic urban Japanese setting with readable signage and a cinematic feel.

• − The bicycle chain is physically detached and floats oddly near the man's hands.
• − Small anatomical glitch with the number of fingers on the right hand holding the wrench.

Seedream 4.0

• + Strong adherence to the 'motion blur from passing cars' requirement.
• + Natural skin texture and realistic, aged appearance of the subject.
• + Good composition with clear reflections in the puddles.

• − The bike anatomy is messy, particularly the pedals and the way the frame connects.
• − Visual quality is slightly lower with softer details compared to the first image.

Nano Banana 2

• + Extremely high detail on the engraved armor and chainmail texture
• + Realistic skin quality with convincing dirt and facial scarring
• + Excellent adherence to all prompt elements, including leather straps and braided hair with beads

• − The sword hilt hand has slightly confused finger geometry

Seedream 4.0

• + Strong cinematic lighting with vibrant warm highlights from the torch
• + Good implementation of bokeh sparks and shallow depth of field
• + Life-like eyes with realistic reflections

• − The armor engravings are less intricate compared to Model A
• − The leather straps lack the distinct weathered texture requested in the prompt
• − Slightly softer facial details

Nano Banana 2

• + Excellent adherence to the full prompt including specific sections and prices.
• + Highly professional layout with clean typography and organization.
• + Remarkable text clarity and logical structure for a restaurant menu.

• − Small typos in some of the smaller menu descriptions.
• − The placement of the 'Mains' label is slightly off-center relative to the grid.

Seedream 4.0

• + Good use of white space and bold sans-serif fonts.
• + Food photos are high quality and appetizing.

• − Fails to generate an actual menu layout, providing only headers and photos.
• − Missing menu items, descriptions, and pricing as implied by the prompt.
• − The grid composition is unbalanced and lacks a professional structure.

Nano Banana 2

• + Excellent text rendering with accurate spelling of all required phrases.
• + Superior photographic detail on food textures like the seared patty and fresh lettuce.
• + Dynamic and centered composition with a perfectly executed starburst element.

• − The 'exploded' effect is slightly less dramatic than Model B, keeping components closer together.

Seedream 4.0

• + Strong sense of motion with swirling light trails around the burger components.
• + Great use of depth of field and environmental lighting from the fiery ground.

• − Incorrect price value displayed as 5.99 instead of the requested 6.99.
• − The 'exploded' burger is actually two separate burger clusters rather than one deconstructed unit.
• − The starburst element is less polished and overlaps the background fire awkwardly.

Nano Banana 2

• + Excellent text legibility and adherence to the specific requested date.
• + Strong composition with a centered, frontal view that showcases the entire board.
• + Highly realistic chalk textures with convincing smudges and varied letter weights.

• − The cursive for the title is quite basic and less 'elegant' than requested.
• − Some of the lower text feels slightly too perfect and uniform for authentic handwriting.

Seedream 4.0

• + Superior handwriting style that feels more organic and artistic with better slant.
• + Excellent chalk texture and dust accumulation at the bottom of the frame.
• + The title font is more stylistically aligned with 'elegant cursive'.

• − The angled perspective makes the board feel slightly less prominent in the frame.
• − Small artifacts present in the background bokeh lighting.

Nano Banana 2

• + Excellent character preservation, maintaining the face, sunglasses, hair, and clothing of Image 2.
• + Captures the yellow background, red stool, and lighting of Image 1 effectively.
• + Maintains high resolution and realistic skin textures.

• − The pose is similar but not an exact recreation of the complex leg/torso angle in Image 1.
• − The arm extending downward looks slightly disconnected from the shoulder anatomy.

Seedream 4.0

• + Successfully replicates the specific scarf and black clothing from Image 2.
• + Captures the general energy of the pose and the yellow studio setting.

• − Fails to preserve the character's face, substituting it with a distorted face and the hair from Image 1.
• − Major anatomical errors, including a missing foot, distorted eyes, and incorrect hand shapes.
• − The character is floating above the stool rather than standing on it.

Nano Banana 2

• + Perfectly follows the specific role-reversal instruction with the horse riding the astronaut.
• + Exhibits a beautifully detailed and cinematic space background with clear planet curvature.
• + Deeply surreal and creative interpretation of the prompt.

• − The horse's anatomy becomes slightly confusing where its legs meet the astronaut.
• − The harness/saddle logic is a bit muddled in the zero-gravity environment.

Seedream 4.0

• + High visual clarity on the horse and astronaut textures.
• + Good use of reflections in the astronaut's visor.

• − Completely fails the primary instruction: the astronaut is riding the horse, which the prompt explicitly forbade.
• − Lacks the 'surreal' quality requested by sticking to a standard orientation.

Nano Banana 2

• + Successfully keeps the subject from Image 1 shirtless under the coat, showing his unique skin pattern.
• + Correctly preserves the face and hair of the original subject.
• + Includes the watch and ring accessories from the reference outfit.

• − Hallucinates a second person into the background that was not present in Image 1.
• − The placement of the hand has anatomical errors and look detached.
• − Fails to fully close the coat as seen in the reference person's stance.

Seedream 4.0

• + Successfully transfers the entire outfit including sunglasses and shoes.
• + Matches the lean and pose of the subject more naturally than Model A.
• + Preserves the background and beach setting accurately without adding extra figures.

• − Fails to keep the face of the person in Image 1, instead merging it with the person in Image 2.
• − Does not show the shirtless torso/skin pattern which was a defining feature of the base person.
• − Distorts the hand and fingers in the pocket.

Nano Banana 2

• + Excellent attention to detail with the inclusion of a taxi meter and a humorous hack license
• + High-quality textures on the capybara's fur and the leather interior
• + Superior composition showing more of the car's interior environmental details

• − The capybara's paws look slightly like human fingers on the steering wheel
• − The taxi cap is black instead of the requested yellow

Seedream 4.0

• + Correctly followed the color instruction for the yellow driver cap
• + Good portrayal of the bored expression on the businesswoman

• − The perspective makes the capybara look disproportionately large relative to the car cabin
• − Low detail on the background and interior equipment compared to the other model

Nano Banana 2

• + Perfect text rendering for all lines including title, banner, and details
• + Highly coherent and symmetrical gothic border design
• + Clean, professional illustrative style that feels like a finished product

• − The border is more architectural/ornate than the 'webs and thorns' requested, though webs are present

Seedream 4.0

• + Stronger adherence to the 'webs and thorns' border description
• + Atmospheric 3D lighting on the pumpkin
• + Good parchment paper texture effects

• − The secondary banner text is distorted and barely legible
• − The border framing feels cluttered and encroaches on the central subject
• − Typography is inconsistent compared to the first image

Nano Banana 2

• + Integrated the hair seamlessly with the existing facial structure and forehead.
• + Maintained high local detail and realistic hair strands.
• + Perfectly preserved the background and the subject's clothing/lighting.

• − The hairline is slightly low on the forehead.

Seedream 4.0

• + Followed the 'full, thick head of hair' instruction literally with high volume.

• − The hair looks like a poorly blended wig, with a distinctive 'cut-out' look around the hairline.
• − Altered the shape of the skull and forehead significantly, losing the original likeness.
• − The hair texture is somewhat blurry and lacks the fine strand detail found in Model A.

Nano Banana 2

• + Excellent text rendering with clean, professional-looking typography.
• + Highly detailed and realistic textures on the sushi fish and rice.
• + Sophisticated diorama base with moss and additional props like chopsticks and soy sauce.

• − Leans more toward photorealism than the requested 'cartoon' style.
• − The composition is slightly busy compared to the 'minimal' request.

Seedream 4.0

• + Perfectly captures the 'cartoon' and 'miniature' 3D aesthetic requested.
• + Simple, clean isometric composition that feels like a game asset.
• + Followed the requests for a minimal garnish and a small raised diorama board.

• − Text rendering is slightly less refined with a slight artifact on the 'N' in JAPAN.
• − Lower level of detail in the food textures compared to the competitor.

Nano Banana 2

• + Captures all requested elements including hockey, dogs, and the news anchor profession with clever integration like 'W-K9 NEWS'.
• + Exquisite caricatured version of the subject's face while maintaining recognizable features and expression.
• + Excellent text rendering with humorous puns that fit the theme.

• − Moves away from the original photograph's 'reality' to a hand-drawn illustration style, which may not be the desired format for an edit.
• − The composition is a completely new scene rather than an edit of the provided background.

Seedream 4.0

• + Maintains a high level of source preservation by keeping the background elements (sofa, pictures, plant) from the original photo.
• + Correctly applies the caricature proportions (large head/mouth) while maintaining a photographic texture.
• + Effectively merges the anchor desk and hockey themes into the physical setting of the original room.

• − Hand and phone rendering is slightly warped and lacks the polish of the face caricature.
• − The hockey and dog elements are a bit more static and less integrated into the 'story' of the image compared to the other model.

Nano Banana 2

• + Perfect adherence to the animal count and species list.
• + Excellent anatomical realism for each animal.
• + Very clean and sharp rendering of individual blades of grass and wildflowers.

• − The composition feels a bit like a lineup rather than an integrated interaction.
• − The lighting is slightly flat compared to the dramatic 'god rays' requested.

Seedream 4.0

• + Extremely dynamic and playful composition with animals 'tumbling' as requested.
• + Beautiful lighting with strong god rays and sparkling dew effects.
• + High emotional impact and whimsical atmosphere.

• − The tabby kitten's face is slightly distorted and lacks the realism of Model A.
• − The 'fox kit' has a very unusual white chest and red coloring that looks a bit more illustrative than photorealistic.

Nano Banana 2

• + Excellent preservation of the original pose, expressions, and clothing details
• + Strong Studio Ghibli aesthetic with clean line work and watercolor textures
• + Richly detailed background that adds to the European Ghibli atmosphere

• − The red dress is slightly desaturated compared to the source
• − The background is significantly more complex than the original, though it fits the theme

Seedream 4.0

• + Captured the watercolor Ghibli style very effectively
• + Good use of soft, dreamy lighting and pastel tones

• − Faces are overly simplified and lost the specific nuance of the original meme expressions
• − Background is mostly lost to abstract watercolor washes
• − Character likeness is weak compared to the original photo

Nano Banana 2

• + Excellent adherence to the hair motion request with dynamic, wind-swept strands.
• + Successfully added a large number of clearly defined flying leaves throughout the scene.
• + The change in facial expression to a laugh enhances the 'energetic and lively' feel requested.

• − Lower source preservation as the woman's face was significantly altered compared to the original.
• − Some leaves have slightly harsh edges that look less naturally integrated into the lighting.

Seedream 4.0

• + Better preservation of the woman's original facial features and identity.
• + Subtle but effective hair movement that remains consistent with the character's appearance.

• − The leaves look somewhat blurry or like 'bokeh' filters rather than distinct flying objects.
• − Overall energy level is lower than the other model, missing the 'energetic and lively' instruction.
• − Introduction of a lens flare in the top right which was not requested and looks artificial.

Nano Banana 2

• + Excellent adherence to the 'vector emblem style' with a cohesive circular frame.
• + Precise typography and accurate rendering of the requested 'Caffè Florian' and 'Est. 1720' text.
• + Sophisticated retro detailing on the cloche and banner that fits the vintage theme well.

• − The illustrative lines on the cloche are slightly busier than a strictly 'minimalist' prompt might require.

Seedream 4.0

• + Clean, minimalist layout that feels open and modern-vintage.
• + Correct text rendering and warm color palette as requested.
• + Good use of subtle texture on the background and within the cloche shading.

• − The 'Est. 1720' banner feels a bit flat and less integrated compared to Model A.
• − Lacks the 'emblem' feel requested by the prompt, appearing more as a floating graphic.

Nano Banana 2

• + Excellent typography with clean, professional font rendering.
• + Strict adherence to the requested flat-vector style and NASA color palette.
• + Superior composition with a balanced, grid-based infographic layout.

• − Included a fourth generic astronaut icon alongside the three named crew members.
• − The Saturn V rocket illustration is a bit stylistically elongated.

Seedream 4.0

• + Accurately followed the numbered step sequence 1 through 6.
• + Correctly identified and named only the three mission astronauts.
• + Good use of the requested color palette.

• − Visual quality is lower with some jagged lines and 'AI-style' artifacts on icons.
• − The composition feels more cluttered and less like a professional vector poster.
• − The lunar module icon is missing for the Landing step, opting for a generic arrow.