nano-banana-image-generator
Installation
SKILL.md
Nano Banana Image Generator
Generate professional, non-generic images using Nano Banana 2 (Gemini 3.1 Flash Image — default) or Nano Banana Pro (Gemini 3 Pro Image).
Model Reference
| Model | API ID | Default | Speed | Cost | Aspect Ratio |
|---|---|---|---|---|---|
| Nano Banana 2 | gemini-3.1-flash-image-preview |
YES | Fast | ~$0.067/2K | Supported |
| Nano Banana Pro | gemini-3-pro-image-preview |
No | Slower | ~$0.134/2K | Supported |
Use flash (Nano Banana 2) for everything unless you have a specific reason for Pro. It's #1 on the Artificial Analysis Image Arena, half the price, and faster.