# Gemini Image Models - Sizes & Aspect Ratios Reference

Quick reference for Gemini image generation models supported by Banatie API.

## Gemini 2.5 Flash Image

**Model ID:** `gemini-2.5-flash-image`
**Resolution:** 1K only
**Default:** 1:1 (1024x1024)

### Supported Aspect Ratios

| Aspect Ratio | Pixels |
|--------------|--------|
| 1:1 | 1024 x 1024 |
| 16:9 | 1408 x 768 |
| 9:16 | 768 x 1408 |
| 3:2 | 1216 x 832 |
| 2:3 | 832 x 1216 |
| 4:3 | 1152 x 896 |
| 3:4 | 896 x 1152 |
| 21:9 | 1536 x 640 |
| 4:5 | 896 x 1088 |
| 5:4 | 1088 x 896 |

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## Gemini 3 Pro Image

**Model ID:** `gemini-3-pro-image`
**Resolutions:** 1K, 2K, 4K
**Default:** 1K resolution

### Size Options by Aspect Ratio

| Size | Aspect Ratio | Pixels |
|------|--------------|--------|
| 1K | 1:1 | 1024 x 1024 |
| 1K | 16:9 | 1408 x 768 |
| 1K | 9:16 | 768 x 1408 |
| 2K | 1:1 | 2048 x 2048 |
| 2K | 16:9 | 2816 x 1536 |
| 2K | 9:16 | 1536 x 2816 |
| 4K | 1:1 | 4096 x 4096 |
| 4K | 16:9 | 5632 x 3072 |
| 4K | 9:16 | 3072 x 5632 |

---

## Banatie API Defaults

- **Model:** Gemini 2.5 Flash Image
- **Aspect Ratio:** 16:9 (1408 x 768)
- **Resolution:** 1K (only option for 2.5 Flash)

## Notes

- Gemini 2.5 Flash is optimized for speed, supports only 1K resolution
- Gemini 3 Pro supports higher resolutions (2K, 4K) for production use
- All aspect ratios maintain approximately the same total pixel count per resolution tier
