2:3 aspect ratio (2:3)
Portrait 2:3 is the standard print poster ratio, which makes it the safe choice for anything that might end up on paper.
Standard pixel sizes
| Size string | Resolution | Megapixels |
|---|---|---|
| 1024×1536 | 1024 × 1536 px | 1.57 MP |
| 1365×2048 | 1365 × 2048 px | 2.80 MP |
Need a custom fit? The aspect ratio calculator fits this ratio into any megapixel budget.
What to use 2:3 for
Posters, movie-poster drafts, book covers and print-ready portraits.
Models that support 2:3
GPT Image 2
Image · OpenAI
$0.10 / image
Qwen Image 2.1 (Unrestricted)
Image · Alibaba
$0.085 / image
Seedream 5 Pro (Unrestricted)
Image · BytePlus (Volcengine)
$0.26 / image
NovelAI V5 (Unrestricted)
Image · NovelAI
$0.065 / image
NovelAI V4.5 (Unrestricted)
Image · NovelAI
$0.025 / image
GPT Image 2 HD
Image · OpenAI
$0.035 / image
Nano Banana 2.1
Image · Google
$0.065 / image
Nano Banana 3 Pro
Image · Google
$0.065 / image
Nano Banana 3.1 Flash
Image · Google
$0.065 / image
Grok Image 2.0
Image · xAI
$0.085 / image
Seedream 5 Pro
Image · BytePlus (Volcengine)
$0.070 / image
Qwen Image 2.0
Image · Alibaba
$0.065 / image
Qwen Image 2.0 Pro
Image · Alibaba
$0.17 / image
Qwen Image 3.0
Image · Alibaba
$0.060 / image
Qwen Image 3.0 Pro
Image · Alibaba
$0.085 / image
Wan 2.7 Image
Image · Alibaba
$0.065 / image
Kling 3.0 Image
Image · Kuaishou
$0.065 / image
Z-Image Turbo
Image · Alibaba
$0.035 / image
Real 2:3 generations
Published pieces from the gallery that came out at 2:3, each with the prompt and model that made it.
2:3 FAQ
What resolution is 2:3?
2:3 is a ratio, not a fixed resolution — any pixel dimensions where width ÷ height = 2 ÷ 3 is "2:3". Common generation sizes include 1024×1536, 1365×2048, listed in the table above.
Which AI models generate 2:3 images?
On our gateway, GPT Image 2, Qwen Image 2.1 (Unrestricted), Seedream 5 Pro (Unrestricted), NovelAI V5 (Unrestricted), NovelAI V4.5 (Unrestricted), GPT Image 2 HD, Nano Banana 2.1, Nano Banana 3 Pro, Nano Banana 3.1 Flash, Grok Image 2.0, Seedream 5 Pro, Qwen Image 2.0, Qwen Image 2.0 Pro, Qwen Image 3.0, Qwen Image 3.0 Pro, Wan 2.7 Image, Kling 3.0 Image, Z-Image Turbo support 2:3 natively for image generation. Pass the size string (e.g. "1024×1536") in your API request.
Which AI video models output 2:3?
Video models output 16:9 or 9:16; 2:3 is an image-only ratio on our gateway.
How much does a 2:3 generation cost?
Aspect ratio doesn't affect price — image models bill per generated image (from $0.025) and video models per clip. See the pricing page for live rates.