# Nano Banana Pro (by Google)

### **Overview**

Google's most powerful image model with premium 4K generation and multi-image composition capabilities.

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### **Quick facts**

* **Modes:** Text → Image · Image → Image (editing) · Images → Image (multi-image blend)
* **Default output / size:** 1024×1024 (1:1)
* **Aspect ratios:** 21:9, 16:9, 5:4, 4:3, 3:2, 1:1, 2:3, 3:4, 4:5, 9:16
* **Resolutions:** 1K, 2K, 4K

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### **What it's great for**

* Premium quality image generation at up to 4K resolution.
* Professional multi-image composition (up to 14 input images).
* Highest fidelity outputs for commercial and professional use.
* Complex editing and inpainting tasks.

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### Parameters

| Control        | Type     | Default | Notes                                               |
| -------------- | -------- | ------- | --------------------------------------------------- |
| `Prompt`       | Text     | —       | Natural-language instruction (required)             |
| `Aspect Ratio` | Dropdown | 1:1     | 21:9, 16:9, 5:4, 4:3, 3:2, 1:1, 2:3, 3:4, 4:5, 9:16 |
| `Resolution`   | Dropdown | 1K      | 1K, 2K, 4K (4K costs 2x)                            |
| `Image`        | Upload   | —       | Required for editing modes                          |

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### **Modes**

| Mode           | Estimated time | Required inputs         | Typical use                |
| -------------- | -------------: | ----------------------- | -------------------------- |
| Text → Image   |          \~30s | Prompt                  | Premium quality generation |
| Image → Image  |          \~35s | Image, Prompt           | High-fidelity editing      |
| Images → Image |          \~40s | Multiple Images, Prompt | Multi-image composition    |

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### **Output options**

| Option       | Values / notes                                      |
| ------------ | --------------------------------------------------- |
| Aspect ratio | 21:9, 16:9, 5:4, 4:3, 3:2, 1:1, 2:3, 3:4, 4:5, 9:16 |
| Resolution   | 1K, 2K, 4K                                          |

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### **Prompt tips**

* Model excels at photorealistic and artistic outputs.
* Use 4K resolution for maximum detail in final assets.
* Multi-image mode supports up to 14 input images for complex compositions.

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### **Safety**

Text moderation is applied according to Google's usage policies.

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