Nano Banana 2 image generation and editing
nano-banana-2Google's image model with conversational edits, sharp text and up to 14 reference images, at 1K, 2K or 4K. Compared with other image tools: premium. Price: from $0.092 per image, charged only on success. Price depends on resolution: 1K $0.092, 2K $0.138, 4K $0.205 (default 1K). One call = one image.
Tool call template
Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.
{
"id": 1,
"jsonrpc": "2.0",
"method": "tools/call",
"params": {
"arguments": {
"prompt": "<prompt>"
},
"name": "nano-banana-2"
}
}Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| prompt | Yes | What to create or change | |
| resolution | No | Output resolution; sets the price. Default 1K | |
| image_input | No | Reference or source image URLs (https), optional | |
| aspect_ratio | No | Aspect ratio, default match_input_image | |
| output_format | No |