Ultrawide
21:9 AI image generator
Cinematic and letterboxed, 21:9 fills ultrawide monitors and reads as a film still. It also suits wide banners where height is scarce.
Common uses
- Ultrawide monitor wallpapers
- Cinematic, letterboxed stills
- Wide website and email banners
FLUX.2 [pro] “Ultrawide panorama of a Norwegian fjord at sunset, steep cliffs, still water, cinematic”
FLUX.2 [dev] “Wide abstract banner of soft flowing gradient waves in lavender and peach, smooth and minimal”
Pixel dimensions
The size ImageForge requests at each quality level. Models that render 21:9 natively return these dimensions. Every quality level is on every plan; higher ones cost more credits.
| Quality | Dimensions | Megapixels |
|---|---|---|
| Standard | 1536 × 672 px | 1 |
| High | 2172 × 950 px | 2 |
| Ultra | 3072 × 1344 px | 4 |
Which models render 21:9
11 of 15 models render 21:9 natively. The others support a fixed set of sizes and return the closest one instead, shown below.
| Model | Output for a 21:9 request |
|---|---|
| FLUX.2 [klein] 9B | 21:9, native |
| Z-Image Turbo | 21:9, native |
| FLUX.2 [dev] | 21:9, native |
| Ideogram V4 | 16:9 instead |
| Seedream 5 Lite | 21:9, native |
| FLUX.2 [flex] | 21:9, native |
| FLUX.2 [pro] | 21:9, native |
| Seedream 5 Pro | 21:9, native |
| Recraft V4 | 16:9 instead |
| Kling Image O3 | 21:9, native |
| Grok Imagine 2.0 | 2:1 instead |
| FLUX.2 [max] | 21:9, native |
| Nano Banana 2 | 21:9, native |
| Hunyuan Image 3.0 | 16:9 instead |
| Nano Banana Pro | 21:9, native |