Nano Banana 2 vs Seedream 4.5: 5 Prompt Comparison
Nano Banana 2 vs Seedream 4.5: 5 prompt comparison
Nano Banana 2 vs Seedream 4.5: this comparison runs five identical prompts. The goal: test fidelity, edit consistency, and color handling. Each run uses 2K 1:1 outputs.
Quick specs
Model
Provider
Modes
Nano Banana 2
Google
Image-to-image, text-to-image, multi-image mixing
Seedream 4.5
ByteDance
Text-to-image, image-to-image, multi-input
Test setup
Resolution: 2K
Aspect ratio: 1:1
Max images: 1 per run
Watermark: off
Prompts
Photoreal product shot: wireless earbuds in an open charging case on wet black stone.
Rainy neon crosswalk at night, single umbrella person, film grain.
Retro sci-fi book cover, 1970s style, astronaut silhouette and giant planet (no text).
Sushi platter on dark wood, steam, soft restaurant lighting.
Chalkboard sign with the word HELLO in neat white chalk, warm lighting.
Gallery (Nano Banana 2 then Seedream 4.5)
1) Earbuds on wet stone
Nano Banana 2 — Prompt used: Photoreal product photo of wireless earbuds in an open charging case on wet black stone. Soft rim light. Realistic water droplets. Shallow depth of field. Ultra detailed.Seedream 4.5 — same prompt.
2) Rainy neon crosswalk
Nano Banana 2 — Prompt used: Cinematic street photo at night in heavy rain. Neon signs reflect on wet asphalt. A crosswalk with a single umbrella person. 35mm film grain.Seedream 4.5 — same prompt.
3) Retro sci-fi cover
Nano Banana 2 — Prompt used: Retro sci-fi book cover illustration, 1970s style, astronaut silhouette and a giant planet, bold colors, grain texture, high contrast. No words.Seedream 4.5 — same prompt.
4) Sushi platter
Nano Banana 2 — Prompt used: Photoreal food photo of a sushi platter on a dark wooden table. Soft restaurant lighting. Steam and freshness.Seedream 4.5 — same prompt.
5) Chalkboard HELLO
Nano Banana 2 — Prompt used: A clean chalkboard sign on a cafe wall. Write the word HELLO in centered white chalk, neat handwriting. Soft warm lighting. Realistic chalk texture.Seedream 4.5 — same prompt.
Summary
Nano Banana 2 delivers strong character consistency when using reference images.
Seedream 4.5 performs well on texture and natural lighting in product shots.
Use single-camera-move prompts for cleaner results.
