HiDream I1 Fast HiDream AI vs Seedream 4.0 ByteDance

HiDream I1 Fast

• + Excellent photorealism and texture on the red book cover
• + Clean, sharp glass edges and realistic reflections on the sphere
• + Strong adherence to the 'soft window light' lighting instruction

• − The sphere is quite large, ignoring the 'small' descriptor in the prompt
• − The blue sphere appears to be floating unnaturally rather than resting on the bottom

Seedream 4.0

• + Accurately depicts the sphere as 'small' as requested
• + Better spatial positioning of the plant clearly 'behind' the cube
• + Realistic interaction with the table surface, including reflections and shadows

• − The book's rendering is slightly less detailed compared to Model A
• − The glass cube has some minor perspective inconsistencies

HiDream I1 Fast

• + Excellent cinematic lighting and reflection depth
• + High visual clarity on the subject's face
• + Good color harmony with the red bicycle

• − Failed the motion blur request for passing cars
• − Anatomy issues with multiple feet and floating bicycle pedals
• − The man is sitting on the bike rather than actively repairing it

Seedream 4.0

• + Successfully captured the requested motion blur on the passing car
• + Stronger adherence to the repairing action with visible tools and hand placement
• + Better representation of 'natural skin texture' and 'imperfect framing'

• − The proportions of the bicycle frame are warped and inconsistent
• − Rain effect looks slightly more like static noise in some areas
• − The front fork and wheel alignment are physically impossible

HiDream I1 Fast

• + Ornate engraving on the armor is extremely detailed and sharp
• + Vibrant colors and high contrast create a striking visual
• + Accurately represents the braided hair and beads requested

• − The 'scars' look more like face paint or fresh wounds rather than realistic weathered skin
• − Skin texture appears slightly plastic or overly smoothed in some areas

Seedream 4.0

• + Excellent realistic portrayal of 'dirt' and 'battle-worn' texture on the skin
• + Superior leather and fabric textures on the straps and neckpiece
• + Dynamic lighting with realistic bokeh sparks interacting with the atmosphere

• − The armor engravings are slightly softer and less intricate than the other model
• − A strand of hair on the left side blends oddly into the background

HiDream I1 Fast

• + Attempts a realistic menu information structure with prices and columns.
• + Includes a clear header section for the brand name.
• + Provides a consistent grid for food photography.

• − Text consists of garbled nonsense characters and typos.
• − The food variety is very poor, repeating almost identical pizza images in six of the seven slots.

Seedream 4.0

• + Clean, readable bold sans-serif fonts for section titles.
• + High-quality, vibrant food photography that shows variety (pasta, salad, pizza).
• + Excellent modern and minimalist composition.

• − Lacks actual menu items or prices, focusing only on section headers.
• − The alignment of the 'Pizza' text relative to the images feels slightly unbalanced.

HiDream I1 Fast

• + Excellent text legibility and accuracy for price and main title.
• + Includes all requested ingredients in a clear, central stack.
• + Strong use of glow effects on the primary 'MAGIC BURGER' text.

• − The burger is not truly 'exploded' as requested, appearing mostly assembled.
• − The 'limited time only' text is repetitive and distorted within the gold circle.

Seedream 4.0

• + Successfully captures the 'exploded' motion with components separated in mid-air.
• + High-quality 'fiery' text effect that looks integrated into the environment.
• + Good sense of dynamic motion through the use of swirls and depth of field.

• − Incorrect price displayed (€5.99 instead of the requested €6.99).
• − The top bun looks somewhat small relative to the rest of the ingredients.

HiDream I1 Fast

• + The handwriting style is elegant and fits a cafe aesthetic.
• + Good lighting and environmental depth for the background.

• − Severe text rendering issues with overlapping and duplicated numbers/words.
• − Spelling errors such as 'Buter' instead of 'Butter'.
• − Illegible scribbles present in the middle of the board.

Seedream 4.0

• + Exceptional text rendering with no spelling errors.
• + Realistic chalk texture including dust smudges and variations in pressure.
• + Perfect adherence to the complex list of menu items and specific date.

• − The 'Today's Specials' title is not in a high-contrast cursive as requested, but a standard script.
• − Slightly less 'cozy' lighting compared to the warm tones of the other model.

HiDream I1 Fast

• + Clean, high-fidelity rendering of the spacesuit and horse leather textures.
• + Good lighting and shadows consistent with a desert environment.

• − Completely failed the environment prompt, setting it in a desert instead of space.
• − Failed the counter-intuitive instruction; the astronaut is on top of the horse.
• − The horse has anatomical issues with its left hind leg.

Seedream 4.0

• + Successfully placed the scene in a space/nebula environment.
• + Dynamic, dramatic composition with the horse rearing.
• + Good details in the visor reflection showing a galaxy.

• − Failed the specific structural instruction 'horse on top, not vice versa'.
• − Noticeable anatomical errors where the horse's front legs merge awkwardly.

HiDream I1 Fast

• + High resolution and modern lighting effects
• + Clear text 'TAXI' on the cap
• + Consistent color grading between the interior and exterior

• − Anatomical failure with human hands attached to the capybara
• − The passenger is sitting in the front passenger seat instead of the back seat
• − Large gaps in logic where the capybara head is merged onto a human torso

Seedream 4.0

• + Correct composition with the passenger in the back seat as requested
• + Accurate depiction of capybara paws on the steering wheel
• + Captures the bored, mundane expression of the passenger perfectly

• − The text on the cap is slightly garbled as 'TAT'
• − Overall skin and fur texture is slightly softer than Model A
• − Perspective on the taxi roofline is a bit warped

HiDream I1 Fast

• + Includes clean, readable header text
• + Contains all required event details clearly
• + Successfully represents most of the requested elements within the parchment area

• − The 'night of frights' text on the scroll banner is garbled
• − Lighting is flat and more illustrative than cinematic
• − Missing the requested thorns in the border

Seedream 4.0

• + Excellent cinematic lighting and moody atmosphere
• + Highly detailed thorns and cobwebs that match the gothic prompt
• + Accurate rendering of the full invitation title and scroll banner text

• − The date and location text at the bottom is slightly less crisp than the top text
• − Small overlap of thorns over text

HiDream I1 Fast

• + Excellent text rendering and typography layout
• + Accurate 45-degree isometric projection
• + Clean, minimalist 3D cartoon aesthetic

• − Nigiri sushi has an illogical filling inside the rice block
• − Contains some minor visual artifacts around the decorative line next to 'SUSHI'

Seedream 4.0

• + Superior texture work and PBR material realism
• + Higher complexity in the sushi variety and presentation
• + Consistent lighting and soft shadows

• − Perspective is slightly flatter than a true 45-degree isometric view
• − Text is smaller and less impactful compared to the other model

HiDream I1 Fast

• + Excellent fur texture rendering on the golden retriever and fox.
• + Clean, professional-looking bokeh and lighting balance.
• + High clarity and sharp focus on the subjects' faces.

• − Failed to include the baby bunny entirely.
• − Characters are sitting still rather than 'playfully chasing' or 'tumbling' as requested.
• − The two kittens appear almost identical, lacking unique character.

Seedream 4.0

• + Successfully included all four requested animals: puppy, kitten, bunny, and fox.
• + Captured the 'playful chasing' and 'tumbling' action much better than the competitor.
• + Dynamic use of god rays and dew sparkles that enhances the morning vibe.

• − The fox has slightly awkward proportions and anatomical merging near its belly.
• − The kitten's pose is a bit physically improbable/stiff in the air.
• − Some minor artifacts in the lighting 'sparkles' that look like white flecks rather than dew.

HiDream I1 Fast

• + Elegant layout with a contained emblem style
• + Good use of warm brown and cream tones

• − Text error in the banner reading '17210' instead of '1720'
• − The steam is rendered as abstract crescent shapes that look like eyes or eyebrows

Seedream 4.0

• + Perfect text accuracy for both the brand name and date
• + Excellent 'subtle texture' on the background and logo elements
• + Well-rendered steam and classic typography

• − The composition is slightly less 'minimalist' than a tight circular emblem

HiDream I1 Fast

• + Adheres well to the requested color palette
• + Good vector illustration style for the central rocket

• − Text is largely garbled and contains numerous typos
• − Information layout is chaotic and doesn't follow a logical sequence
• − Icons for the different stages are inconsistent or missing

Seedream 4.0

• + Very strong adherence to the requested 6-step structure and specific icons
• + Highly legible text with relatively accurate spelling for names and steps
• + Modern, clean layout that functions as an actual infographic
• + Includes creative extra details like the crew silhouettes and Tranquility site

• − The lunar module illustration is a bit complex compared to the flat vector style of the other icons