AI image model comparison
Nano Banana 2.1 vs Seedream 4.5
Seedream 4.5 is 10% cheaper (price per image: Nano Banana 2.1 $0.13 vs Seedream 4.5 $0.11). Nano Banana 2.1 has faster renders and more reference images. Seedream 4.5 has a lower price per megapixel.
| Price | ||
|---|---|---|
| Price per image | $0.13 | $0.11 (best) |
| One image at 1K | $0.13 | Not offered |
| One image at 2K | $0.18 | $0.11 (best) |
| One image at 4K | $0.34 | $0.15 (best) |
| Per megapixel | ≈ $0.020/MP | ≈ $0.009/MP (best) |
| Speed and size | ||
| Render time | ~26–77 sec (best) | ~30–77 sec |
| Largest output | ≈16.8 MP | ≈16.8 MP |
| Sizes | 1K · 2K · 4K | 2K · 4K |
| Frames | 1:1 · 2:3 · 3:2 · 3:4 · 4:3 · 4:5 · 5:4 · 9:16 · 16:9 · 21:9 · 1:4 · 4:1 · 1:8 · 8:1 | 1:1 · 9:16 · 16:9 |
| Inputs | ||
| Reference images | Up to 14 (best) | Up to 10 |
| Takes | Text · 14 images | Text · 10 images |
| What it does | ||
| Edits a photo | Yes | Yes |
| Vector SVG | No | No |
| Can do | Text → imageImage references | Text → imageImage references |
| Good for | Photo edits · Character swaps · Product placement | Posters · Typography · Key art |
| Settings you control | Frame · Size · Thinking level | Frame · Resolution |
Output side by side
No image model has a same-prompt render yet. Compare the facts above.
Which should you choose?
Choose Nano Banana 2.1 if you want
- faster renders
- more reference images
- photo edits
- character swaps
Choose Seedream 4.5 if you want
- a lower price per image
- a lower price per megapixel
- posters
- typography
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Seedream 4.5 vs Nano Banana ProHow we compare
- Prices come from the live catalog at the pay-as-you-go rate. The quote before you generate is binding. Plans and packs
- Render times are the catalog’s own estimate for one render.
- Every clip and image on this page was rendered on OpenClips.
Questions
Nano Banana 2.1 vs Seedream 4.5: questions
Seedream 4.5 costs the least here (price per image). Nano Banana 2.1: $0.13. Seedream 4.5: $0.11. Prices are at the pay-as-you-go rate. The quote before you generate is binding.
Nano Banana 2.1 is the fastest here. Nano Banana 2.1 takes ~26–77 sec. Seedream 4.5 takes ~30–77 sec.
Nano Banana 2.1 and Seedream 4.5 take a photo or reference images.
None of them. Each outputs a raster image.