Nano Banana 2 image generator
Nano Banana 2 (Gemini 3.1 Flash Image) is the fast, lower-cost Gemini image model. It supports extreme aspect ratios such as 4:1 and 8:1 for banners, plus a 0.5K draft size for quick exploration.
What Nano Banana 2 does well
- Fast generation at a low credit cost
- Ultra-wide and ultra-tall ratios (4:1, 8:1, 1:4, 1:8)
- 0.5K drafts up to 4K finals
- Up to 14 reference images
Great for
- Exploring many ideas quickly
- Website banners and headers
- Social media visuals
Price in credits
| Resolution | Credits per image |
|---|---|
| 0.5K | 5 |
| 1K | 6 |
| 2K | 8 |
| 4K | 14 |
Start at 0.5K or 1K to explore compositions cheaply, then re-run your favourite prompt at 2K or 4K.