Nano Banana 2 Google vs Seedream 4.5 ByteDance

Nano Banana 2

• + Perfect adherence to the spatial constraints of the prompt, including the sphere clearly inside and the plant behind the glass.
• + Exceptional photographic realism with natural textures on the wood, book, and plant.
• + Highly legible and relevant text on the book spine.

• − The glass cube lacks a top lid, resembling more of an open display case, though it functions well for the composition.

Seedream 4.5

• + Strong lighting and shadow work that matches the 'window light' request.
• + Solid rendering of the glass material with realistic thickness and refractions.

• − The blue sphere is clipping through the glass wall of the cube rather than being inside it.
• − The plant in the background is very blurry and lacks definition compared to Model A.
• − The cube geometry is slightly distorted where the corners meet the table.

Nano Banana 2

• + Expertly preserves the entire exterior design of the Rolls-Royce from the source image.
• + Successfully integrates the man's likeness (face and hair) into the driver's seat.
• + Excellent cinematic composition with the California coastline and motion blur on the wheels.

• − The man is positioned as a passenger in a right-hand drive car, but his hands are reaching toward a non-existent steering wheel on that side.
• − The man's outfit from the source image is only partially represented.

Seedream 4.5

• + Superior preservation of the man's entire outfit, including the specific plaid coat, scarf, cargo pants, and boots.
• + Correctly positions the man in the driver's seat for a left-hand drive vehicle.
• + Seamlessly blends the character into the interior of the car.

• − Significantly alters the car's geometry, with a door that opens incorrectly and a warped windshield frame.
• − Lacks the grand scale of the 'California coastline' requested, showing only a tight interior/roadside crop.

Nano Banana 2

• + Excellent environmental storytelling with authentic Japanese signage and street context.
• + Very high level of detail in the tools, bicycle chain, and clothing textures.
• + Hyper-realistic rendering of wet pavement and reflections that feels like a genuine photograph.

• − The cars in the background lack the specific 'motion blur' requested, appearing relatively static.
• − The framing is quite central and balanced, missing the 'imperfect framing' request.

Seedream 4.5

• + Successfully captured the long-exposure motion blur of passing cars as requested.
• + Strong adherence to the 'shallow depth of field' and 'candid' feel with the subject looking toward the camera.
• + Good skin texture and expressive facial features.

• − The bicycle mechanics are nonsensical, with the wrench floating near a chain that isn't connected to a sprocket.
• − Visible AI artifacts around the hands and rain streaks.
• − The background is very generic and lacks the cultural specificity found in Model A.

Nano Banana 2

• + Excellent portrait composition showing full armor set details.
• + Strong adherence to the 'battle-worn' descriptor with heavy dirt and grime.
• + Intricate engraving and rune-like details on the metalwork.

• − The hand holding the sword has anatomical issues with finger placement and shape.
• − The lighting feels a bit flatter and more artificial compared to the cinematic depth of the competitor.

Seedream 4.5

• + Extreme level of detail in skin texture and fine hair strands.
• + Beautifully soft bokeh and cinematic lighting transitions.
• + Very clean and deliberate 'braids with beads' implementation.

• − The 'battle-worn' aspect feels slightly secondary to the aesthetic lighting.
• − The armor is less 'engraved' and more 'embossed', losing some of the ruggedness.

Nano Banana 2

• + Excellent text legibility and logical menu structure with relevant item names and descriptions.
• + Comprehensive grid layout for food photos that aligns perfectly with the prompt's request.
• + High level of detail in the food photography and professional use of branding and secondary text.

• − Minor typos in the fine print descriptions, such as 'somon' and 'metrons'.
• − Pricing symbols are slightly crowded against the right margin in the top sections.

Seedream 4.5

• + Clean, minimalist aesthetic with bold section headers.
• + Food photography is high quality and vibrantly colored as requested.
• + Good use of colorful border accents to differentiate sections.

• − Extremely repetitive and nonsensical text for menu items (e.g., 'Appetizters', 'Festaurant').
• − Missing the 12-photo 'grid' requested in the prompt, opting for only three large images.
• − The layout feels unbalanced with a lot of empty white space on the right of the text.

Nano Banana 2

• + Excellent text rendering with clean fiery outlines
• + Rich details in food textures like the seared patty and fresh lettuce
• + Great adherence to the 'exploded' concept with vertical separation of all layers

• − The starburst for the price is a simple star shape rather than a traditional jagged starburst

Seedream 4.5

• + Dynamic sense of motion with visible speed trails
• + True jagged starburst shape for the price tag
• + Impressive fire-textured lettering for 'MAGIC BURGER'

• − The burger feels less 'exploded' as several ingredients are still clumped together
• − The composition feels a bit crowded at the bottom right

Nano Banana 2

• + Excellent adherence to the handwritten prompt with multiple cursive and print styles that feel human.
• + Includes realistic chalk dust, smudges, and physical chalk pieces on the easel ledge.
• + Perfect spelling and complete rendering of the final menu item.

• − The '2026' in the date is slightly less cursive than the rest of the header.

Seedream 4.5

• + Clean, highly legible handwriting and text texture.
• + Good composition with a clear focus on the chalkboard.

• − Repeats the word 'Risotto - $24' twice on separate lines.
• − The background is less detailed and slightly more blurry than Model A.
• − Fails to capture the 'elegant cursive' request for the title, using a standard print-cursive hybrid.

Nano Banana 2

• + Successfully replicates the lighting and yellow backdrop from the source image.
• + Captures the facial identity and specific accessory (scarf) from the character reference well.

• − Significant anatomical failure with a foot seemingly growing out of the character's chest/stomach area.
• − The lower hand is resting on the box instead of being suspended in the air as seen in the pose reference.

Seedream 4.5

• + Matches the complex body position and stance from Image 1 more accurately than the competitor.
• + Maintains high consistency with the character's clothing and facial features.
• + Accurately recreates the lighting and environment of the pose reference.

• − The fingers on the raised hand are somewhat distorted.
• − Includes red nail polish on the lower hand, which was present in Image 1 but not appropriate for the character in Image 2.

Nano Banana 2

• + Excellent adherence to the 'horse on top' spatial instruction.
• + High level of detail in the astronaut suit and horse's muscle definition.
• + Vibrant and cinematic background with a clear depiction of Earth and nebulae.

• − The leash/reins connecting the horse to the astronaut appear slightly tangled and nonsensical.

Seedream 4.5

• + Dynamic and surreal pose for both the horse and the astronaut.
• + Good use of color and light in the nebula background.

• − Failed the core spatial instruction; the astronaut is sitting on the horse like a normal rider.
• − Anatomical issues with the horse's front legs.

Nano Banana 2

• + Perfectly preserves the source person's face, hair, and specific skin patterns.
• + Accurately recreates all clothing layers, accessories, and jewelry from Image 2.
• + Maintains the original background and lighting conditions seamlessly.

• − The transition area where the sunglasses meet the face has slight blurring.

Seedream 4.5

• + Good replication of the specific clothing items and accessories.
• + Effective placement of the watch and ring.

• − Failed to preserve the source person's face, merging features with the person from Image 2.
• − The person's hair was changed to match Image 2, violating the strict 'keep hair unchanged' instruction.
• − The torso skin pattern appears unnaturally flat and stretched like a texture map rather than realistic skin.

Nano Banana 2

• + Excellent interior details like the taximeter, GPS, and Radio City background.
• + High realism in the texture of the capybara's fur and the leather steering wheel.
• + The capybara's pose and expression perfectly match the 'professional' driver prompt.

• − Completely failed to include the businesswoman in the back seat.
• − The framing is tight on the front seat, losing the 'yellow taxi' exterior context.

Seedream 4.5

• + Successfully included all prompt elements, including the bored businesswoman on her phone.
• + Great frontal composition that clearly shows both the driver and the passenger.
• + The yellow exterior of the taxi is visible, reinforcing the New York theme.

• − The transition between the capybara's paws and the steering wheel is a bit messy/clumpy.
• − General image sharpness is slightly lower than Model A.

Nano Banana 2

• + Excellent layout with a beautifully integrated thorns and webs border.
• + Perfect text rendering for all requested details and the scroll banner.
• + Highly detailed illustrative style that feels like a vintage gothic poster.

• − The parchment texture is a bit dark in the corners, making some fine border details hard to see.

Seedream 4.5

• + Strong cinematic lighting with a vibrant glow on the jack-o-lantern.
• + Clean typography that is very legible against the background.
• + Good use of barbed wire and webs for the border elements.

• − The alignment of the bottom event details is unbalanced and messy.
• − The transition between the parchment border and the central image is a bit harsh.

Nano Banana 2

• + Excellent realism in hair texture and flow
• + Perfectly preserved all original facial features, lighting, and background
• + Seamless blending between the new hair and the existing beard and sideburns

Seedream 4.5

• + Preserves the overall composition and lighting well

• − Noticeably altered facial proportions, making the person's face appear wider and taller
• − The hairline looks slightly artificial and disconnected from the original sideburns
• − Loss of fine skin detail and texture compared to the original

Nano Banana 2

• + Excellent text rendering with 'JAPAN' and 'SUSHI' cleanly formatted.
• + Highly detailed materials for the sushi, wood grain, and diorama base.
• + Extremely sharp image quality with professional lighting.

• − The sushi looks more realistic than the '3D cartoon' style requested.
• − The diorama base is quite busy relative to the 'minimal' request.

Seedream 4.5

• + Perfectly captures the 'miniature 3D cartoon' aesthetic and isometric angle.
• + Follows the 'diorama base' and 'minimal garnish' instructions very accurately.
• + Clean, soft textures that match the prompt's stylistic direction.

• − The text is slightly less polished than Model A.
• − The background has a slight gradient rather than being a strictly solid color.

Nano Banana 2

• + Excellent adherence to the 'humorous and exaggerated' caricature style.
• + Perfectly integrates all requested elements: news anchor setting, multiple dogs, and hockey gear.
• + Text rendering on the screen and microphone is clean and clever ('W-K9 NEWS').

• − Does not preserve the background or realism of the source image, opting for a complete drawing style.

Seedream 4.5

• + Great job preserving the facial features of the woman from the source image in a 'big head' caricature style.
• + High visual quality and resolution with realistic textures.
• + Successfully includes a dog, hockey equipment, and a news desk.

• − The 'humorous' and 'exaggerated' aspects are very mild compared to a traditional caricature.
• − The hockey stick brand name 'SIDE' is slightly garbled/nonsensical.

Nano Banana 2

• + Excellent preservation of the original subjects' faces and clothing
• + Dynamic wind effect on the hair and the dog's tail
• + High-quality rendering of individual flying leaves

• − Expression change on the woman's face is slightly exaggerated compared to the source

Seedream 4.5

• + Successfully adds wind effect to hair
• + Good placement of autumnal leaves to create a sense of depth

• − Significantly altered the woman's facial features and bone structure
• − Noticeable anatomical error on the woman's left hand
• − Lost the texture and original look of the dog's fur

Nano Banana 2

• + Perfect text rendering for all lines including 'Caffè Florian' and 'Est. 1720'.
• + Excellent vector emblem composition with professional decorative borders and flourishes.
• + Accurately represents the historic context with the added location text.

• − The steam lines are slightly numerous, making it busy for a 'minimalist' request.

Seedream 4.5

• + Strong minimalist aesthetic with clean shapes and simple vector style.
• + Accurate typography and color palette according to prompt.
• + Good placement of the 'Est. 1720' banner.

• − Composition feels a bit empty compared to Model A.
• − Minor artifact on the steam lines where they don't quite align with the cloche handle.

Nano Banana 2

• + Excellent adherence to the clean, modern vector style with consistent stroke weights.
• + Flawless text rendering for all steps and labels.
• + Very high quality icons that perfectly match the requested descriptions for each step.

• − Includes a fourth unnamed astronaut silhouette which is historically inaccurate.
• − The 'Tranquility' marker is placed on a map and then weirdly repeated inside a map pin.

Seedream 4.5

• + Great use of a timeline layout which works well for the 'Steps' requirement.
• + Accurately depicts the three named astronauts without extras.
• + Captures the requested NASA color palette effectively.

• − The icon for 'Descent' is a satellite with solar panels rather than a lunar module.
• − The composition feels a bit cramped at the top and bottom with a lot of empty space in the middle.
• − Iconography is slightly inconsistent in style compared to Model A.