Qwen Image Edit 2509 Alibaba vs Seedream 4.0 ByteDance

Qwen Image Edit 2509

• + Excellent sense of motion and speed with directional blur.
• + High-quality scenic background that perfectly matches the 'California coastline' prompt.

• − The man's clothing from the source image is completely lost.
• − The man is positioned incorrectly behind the back seat rather than in the driver's seat.

Seedream 4.0

• + Successfully preserved the man's identity, including his specific hairstyle, scarf, and plaid coat.
• + Excellent placement of the man in the driver's seat with hands on the wheel.
• + Maintains very high structural consistency with the source car.

• − The motion blur on the wheels is slightly less realistic than Model A's.

Qwen Image Edit 2509

• + Excellent preservation of the source image's pose.
• + Clean visual style that matches the studio lighting.

• − Completely failed to use Image 2 as a character reference.
• − Did not change the gender, face, or clothing of the person in the source image.

Seedream 4.0

• + Successfully integrated clothing elements from Image 2, including the scarf and black sweatshirt.
• + Made an attempt to alter the face and skin tone to better resemble the character in Image 2.
• + Maintains the yellow background and red ottoman from the source.

• − Modified the pose significantly, losing the cross-legged balance and arm angle of the original.
• − The character's face is highly distorted with severe artifacts and 'double eyes'.
• − The hair from Image 1 was not updated to match the character in Image 2.

Qwen Image Edit 2509

• + Successfully applied the full outfit including matching scarf and boots.
• + Kept the facial structure and hair patterns largely consistent with Image 1.
• + Matched the pose well by integrating the person into the scene with full-body context.

• − Included sunglasses and facial hair from Image 2, violating the instruction to keep the face unchanged.
• − Changed the person's body type and skin texture significantly to look more like the model in Image 2.

Seedream 4.0

• + Excellent preservation of the unique vitiligo skin patterns from Image 1.
• + Perfectly replicated the scarf, coat, and jewelry details from Image 2.
• + Maintained the lighting and color balance of the original beach scene.

• − Failed the negative constraint to keep the face unchanged by adding sunglasses and facial hair.
• − The shoe placement and leg positioning look slightly ungrounded compared to the sand.

Qwen Image Edit 2509

• + Natural-looking hair texture with visible specular highlights consistent with the lighting.
• + Successfully preserved facial features and background without unwanted alterations.
• + Good integration of sideburns with the existing beard.

• − The hair volume is slightly stylized/exaggerated, bordering on a wig-like appearance.

Seedream 4.0

• + Excellent source preservation, maintaining identical background and clothing details.
• + Realistic hair density and volume that feels appropriate for the character.

• − The hairline appears somewhat artificial and lacks the fine transition hairs seen in the other model.
• − The hair texture is a bit fuzzy and lacks the defined strands/lighting of the source beard.

Qwen Image Edit 2509

• + Successfully incorporates all prompt elements into a cohesive scene.
• + Adopts a traditional cartoon caricature art style with exaggerated features.
• + Preserves the 'selfie' arm gesture from the source image.

• − The text in the speech bubble is nonsensical gibberish.
• − The dog is very small and lacks detail compared to the rest of the image.
• − Completely replaces the source background rather than editing it.

Seedream 4.0

• + Strong preservation of the source background elements while adding the desk.
• + Excellent caricature of the subject's face while retaining the source likeness.
• + High-quality rendering of the dog and hockey equipment.

• − The hand holding the microphone is severely mangled with extra fingers.
• − The arm holding the phone is unnaturally skinny and poorly attached to the shoulder.
• − The transition between the living room background and the news desk is jarring.

Qwen Image Edit 2509

• + Maintains the original background composition and elements accurately
• + Captures a clean modern anime aesthetic similar to high-budget feature films
• + Excellent preservation of clothing patterns and facial expressions

• − Art style leans more toward generic modern anime than the specific Ghibli painterly look
• − The character in the foreground is significantly sharper than the source image's depth of field

Seedream 4.0

• + Expertly captures the hand-painted watercolor texture typical of Studio Ghibli concept art
• + Highly soft and nostalgic lighting and color palette
• + Character features strongly evoke the Ghibli character design style

• − Loss of background detail, replacing the city street with abstract watercolor washes
• − Loses the specific 'shocked' expression of the girl on the right compared to the source

Qwen Image Edit 2509

• + Successfully added both blowing hair and flying leaves as requested.
• + Maintained high image clarity and sharpness.
• + Preserved the details and colors of the original scene very well.

• − The wind effect in the hair looks somewhat artificial and stiff.
• − The leaves appear to be 'pasted' on top rather than integrated into the 3D space.

Seedream 4.0

• + The hair blowing effect looks more natural and soft compared to Model A.
• + Added a warm, sunny lens flare that contributes to the energetic feel.
• + The motion blur on the leaves creates a better sense of dynamic movement.

• − The entire image has a slight blur/softening compared to the original.
• − The dog's face lost some of its sharp detail.