HiDream E1 HiDream AI vs Seedream 4.5 ByteDance

HiDream E1

• + Successfully added a large volume of hair as requested.
• + Matches the hair color to the existing beard reasonably well.

• − Failed to preserve the background, replacing it with a distorted desert landscape.
• − Severely altered the subject's face, adding strange textures and changing facial structure.
• − Poor hair texture that looks like a synthetic wig or plastic.

Seedream 4.5

• + Excellent source preservation, keeping the background and clothing identical to the original image.
• + Realistic hair texture and natural hairline that integrates perfectly with the existing facial features.
• + Maintains the original lighting and skin details of the subject.

• − The hairstyle is relatively conservative compared to the 'full, thick head of hair' prompt, though it is technically accurate.

HiDream E1

• + Successfully incorporates a hockey rink background with players
• + Achieves an exaggerated caricature style with large features
• + Includes a dog and news-style blazer

• − Facial likeness to the source image was lost during the transformation
• − The hand holding the dog has anatomical issues
• − The dog's lower body is poorly rendered

Seedream 4.5

• + Excellent preservation of the source subject's facial features while applying a caricature scale
• + Better source preservation of the background elements and the subject's clothing style
• + High visual quality in objects like the hockey stick and microphone or desk

• − The caricature exaggeration is mainly limited to head size rather than facial features
• − The dog is a bit small and less integrated into the main action of the image

HiDream E1

• + Successfully captures the requested warm, nostalgic mood through colors.
• + Maintains the core composition and character positions of the source image.

• − Lacks the specific Studio Ghibli art style, looking more like general webtoon art.
• − Changes clothing details significantly, such as the man's plaid shirt and the primary woman's dress color.

Seedream 4.5

• + Excellent adherence to the Studio Ghibli aesthetic, including character design and watercolor textures.
• + Preserves source details perfectly, such as the exact plaid pattern and color on the man's shirt.
• + Accurately replicates the background elements while applying the requested 'dreamy' texture.

• − The facial expressions are slightly more neutral than the dramatic expressions in the source image.

HiDream E1

• + Strongly defines the motion for the hair
• + Maintains high color saturation and sharpness

• − Leaves look like static clipart and lack depth or realistic motion blur
• − The dog's face is significantly altered from the original
• − The hand holding the leash has anatomical distortions

Seedream 4.5

• + Excellent sense of motion with realistic motion blur on the leaves
• + Better source preservation of the woman and dog's facial features
• + More natural hair movement that flows with the wind direction

• − Some minor artifacts around the dog's rear leg
• − Overall image contrast is slightly lowered compared to source