HiDream I1 Fast HiDream AI vs Stable Diffusion 3.5 Large Stability AI

HiDream I1 Fast

• + Perfect adherence to spatial instructions with the book on top and sphere inside.
• + Excellent photorealistic textures on the wooden table and red book cover.
• + Clean, minimalist composition with realistic glass reflections.

• − The sphere is quite large, pushing the definition of 'small' in the prompt.
• − The glass cube edges are slightly thin, making it look a bit like an open frame.

Stable Diffusion 3.5 Large

• + Very high detail in the rendering of the book pages and glass thickness.
• + The plant is clearly visible through the glass as requested.
• + Effective use of harsh window light and shadows.

• − Failed the spatial instruction 'On top of the cube sits a red book' by putting the book inside.
• − The blue sphere is floating unnaturally above the book.

HiDream I1 Fast

• + Excellent shallow depth of field effect
• + Beautiful and realistic reflections on the wet pavement
• + High facial detail and natural skin texture

• − The man appears to be sitting on or hovering over the bike rather than repairing it
• − Missing the requested motion blur on the passing cars
• − The bike structure is slightly warped at the handlebars

Stable Diffusion 3.5 Large

• + More active posture that better matches the 'repairing' instruction
• + Realistic depiction of falling rain drops
• + Includes better street level atmosphere and accurate bicycle proportions

• − The white car in the background lacks the requested motion blur
• − The arm skin texture is slightly over-sharpened and unnatural in light
• − The framing is very centered for a prompt requesting 'imperfect framing'

HiDream I1 Fast

• + Excellent depiction of the requested beads in the braids
• + Strong use of warm torchlight and bokeh sparks
• + Intricately detailed engraving on the plate armor

• − The facial scars look painted on rather than realistic skin texture
• − The lighting on the face is a bit oversaturated and flat

Stable Diffusion 3.5 Large

• + Extremely realistic skin texture with lifelike dirt and scars
• + Superior rendering of the cloth and chainmail underlayers
• + More natural and cinematic lighting

• − Missed the request for beads in the hair braids
• − The background characters distract slightly from the 'close portrait' feel

HiDream I1 Fast

• + Strong bold header with a clear 'Restaurant Menu' title.
• + Good color contrast and vibrant red accent bar.
• + Successfully includes pizza images as requested.

• − Very poor text rendering for the menu items.
• − Limited food variety, mostly repeating the same pizza image.
• − Fails to create distinct sections for appetizers, pizza, and mains.

Stable Diffusion 3.5 Large

• + Excellent minimalist aesthetic with professional typography.
• + Sophisticated grid layout that integrates various food photos effectively.
• + Follows the prompt instructions for specific sections better than the competitor.

• − The food photos are predominantly pizza despite section headers for mains and appetizers.
• − Small text becomes illegible and contains gibberish characters.

HiDream I1 Fast

• + Excellent text rendering and placement that follows all requirements
• + Vibrant colors and high photorealistic detail on the ingredients
• + Accurately represents and places the 'starburst' price tag

• − The burger is not truly 'exploded' with all components suspended; it is mostly stacked
• − The background is slightly less dynamic than requested

Stable Diffusion 3.5 Large

• + Strong sense of heat and fire with great interaction between the burger and embers
• + High visual quality and realistic textures on the patty and cheese

• − Failed to include any of the requested text
• − Missing the starburst graphic for the price entirely
• − The burger is stacked rather than exploded as chips or components in mid-air

HiDream I1 Fast

• + Excellent chalk texture and realistic handwritten variations.
• + Close adherence to the specific date requested.
• + Correct pricing and item titles for the first several menu items.

• − Significant text overlap and jumbled characters in the middle section.
• − Contains a spelling error with 'Buter' instead of 'Butter'.

Stable Diffusion 3.5 Large

• + Provides a highly realistic and aesthetic cafe setting/atmosphere.
• + Good layout and composition for a commercial environment.
• + Clean and legible title font.

• − Failed the date request, showing 2024 instead of 2026.
• − The menu text is largely gibberish with many spelling errors like 'Todaay' and 'Cholcalte'.
• − Font style looks more digital/printed than hand-drawn chalk.

HiDream I1 Fast

• + High resolution and clean rendering
• + Good anatomical correctness of the horse and astronaut

• − Completely failed the environment prompt (desert instead of space)
• − Failed the requested inversion (astronaut is on top, despite prompt asking for horse on top)
• − Lacks the requested surreal qualities

Stable Diffusion 3.5 Large

• + Successfully captured the space environment and cinematic lighting
• + Highly detailed cosmic elements and clouds
• + Expressive and dynamic composition

• − Failed the requested inversion (astronaut is on top, despite prompt asking for horse on top)
• − Muddled anatomy where the horse legs meet the cosmic clouds

HiDream I1 Fast

• + Successfully includes the businesswoman in the back seat as requested
• + Rendered the capybara head and texture realistically
• + The urban background lighting is cinematic and fits the New York theme

• − The driver has human hands instead of capybara paws
• − The capybara is positioned in the wrong seat for a left-hand drive vehicle or lacks a clear dashboard

Stable Diffusion 3.5 Large

• + Correctly depicted capybara paws on the steering wheel
• + Very detailed clothing textures and expressive animal facial rendering
• + Strong vibrant colors and crisp interior car details

• − Completely failed to include the passenger in the back seat
• − The capybara appears to have human legs in jeans, which is anatomically confusing

HiDream I1 Fast

• + Successfully included all event details (date, time, location).
• + Excellent layout with a clearly legible gothic title.
• + Strong adherence to the central jack-o-lantern requirement.

• − Text on the middle scroll banner and bottom details contains minor artifacts and typos.
• − The background trees and webs are somewhat simplistic in style.

Stable Diffusion 3.5 Large

• + Very atmospheric and high-quality vintage paper texture.
• + Beautiful cinematic lighting with a glowing moon and detailed trees.
• + The scroll banner text is quite legible and decorative.

• − Failed to include the specific event details (Date, Time, Location) at the bottom.
• − The jack-o-lantern is small and off-center rather than central.
• − The overall image is not a square format as requested.

HiDream I1 Fast

• + Excellent adherence to the 'top-center large bold text' layout requirement.
• + Very clean, minimal 3D cartoon aesthetic with soft refined textures.
• + Accurate isometric perspective and solid blue background.

• − The sushi roll inside the nigiri is a nonsensical culinary depiction.
• − Included extra chopsticks that were not specifically requested.

Stable Diffusion 3.5 Large

• + Highly realistic PBR materials, especially on the salmon and rice grains.
• + Greater variety of sushi types within the miniature scene.
• + Captures the 'diorama' feel well with the small flag.

• − Failed the text placement instructions, putting text on a card rather than 'top-center' large and bold.
• − The layout is more cluttered than the requested 'minimal garnish' design.
• − Includes a strange bowl of pink salt/rice in the background.

HiDream I1 Fast

• + Excellent fur texture rendering and soft lighting.
• + Expressive facial features on the puppy and fox.
• + Warm, cohesive color palette.

• − Missing the baby bunny entirely.
• − Animals are sitting still instead of 'playfully chasing and tumbling'.
• − The proportions of the kittens relative to the puppy seem inconsistent.

Stable Diffusion 3.5 Large

• + Successfully included all four requested animals: puppy, kitten, bunny, and fox.
• + Dynamic composition that captures the 'playfully chasing' action requested.
• + Beautiful implementation of dew sparkles and god rays.

• − The fox's facial features are slightly blurry and less detailed than other animals.
• − Artifacts on the bottom-most butterfly (looks like a smear).

HiDream I1 Fast

• + Clean vector illustration style
• + Correct spelling of 'Caffè'
• + Strong color contrast and composition

• − Typos in the numerical date ('17210')
• − The steam elements are a bit disjointed and messy

Stable Diffusion 3.5 Large

• + Excellent texture and vintage aesthetic
• + Correct numerical date '1720'
• + Minimalist and balanced layout

• − Spelling error in the main text ('Cafféé')
• − Stylized steam looks a bit cartoonish compared to the vintage theme

HiDream I1 Fast

• + Attempts to follow the specific 6-step chronological structure
• + Large, readable main title
• + Includes relevant iconography like the American flag and lunar module

• − Numerous spelling errors in text labels
• − Graphic style is messy with jagged lines rather than clean vectors
• − The central rocket asset has floating, disjointed pieces

Stable Diffusion 3.5 Large

• + Excellent adherence to the requested NASA-inspired color palette
• + Professional, balanced composition with a clean vector aesthetic
• + High level of detail and fine lines suitable for a poster

• − Fails to follow the specific 6-step chronological list requested
• − The main rocket depicted is a generic shuttle/spaceplane rather than the Saturn V
• − Text consists almost entirely of illegible gibberish