AI image model comparison
Grok Imagine vs Nano Banana 2.1
Nano Banana 2.1 is 9% cheaper (price per image: Grok Imagine $0.14 vs Nano Banana 2.1 $0.13). Grok Imagine has faster renders. Nano Banana 2.1 has a lower price per megapixel, larger images and more reference images.
| Price | ||
|---|---|---|
| Price per image | $0.14 | $0.13 (best) |
| One image at 1K | $0.14 | $0.13 (best) |
| One image at 2K | $0.14 (best) | $0.18 |
| One image at 4K | Not offered | $0.34 |
| Per megapixel | ≈ $0.033/MP | ≈ $0.020/MP (best) |
| Speed and size | ||
| Render time | ~20–34 sec (best) | ~26–77 sec |
| Largest output | ≈4.2 MP | ≈16.8 MP (best) |
| Sizes | 1k · 2k | 1K · 2K · 4K |
| Frames | 1:1 · 16:9 · 9:16 · 4:3 · 3:4 · 3:2 · 2:3 · 2:1 · 1:2 · 19.5:9 · 9:19.5 · 20:9 · 9:20 · 21:9 · 5:2 | 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 |
| Inputs | ||
| Reference images | Up to 3 | Up to 14 (best) |
| Takes | Text · 3 images | Text · 14 images |
| What it does | ||
| Edits a photo | Yes | Yes |
| Vector SVG | No | No |
| Can do | Text → imageImage references | Text → imageImage references |
| Good for | Fast drafts · Edgy creative · Memes | Photo edits · Character swaps · Product placement |
| Settings you control | Frame · Resolution | Frame · Size · Thinking level |
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
- a lower price per image
- a lower price per megapixel
- larger images
- more reference images
- photo edits
- character swaps
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Nano Banana 2.1 vs Seedream 5.0 LiteHow 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
Grok Imagine vs Nano Banana 2.1: questions
Nano Banana 2.1 costs the least here (price per image). Grok Imagine: $0.14. Nano Banana 2.1: $0.13. Prices are at the pay-as-you-go rate. The quote before you generate is binding.
Grok Imagine is the fastest here. Grok Imagine takes ~20–34 sec. Nano Banana 2.1 takes ~26–77 sec.
Grok Imagine and Nano Banana 2.1 take a photo or reference images.
None of them. Each outputs a raster image.