nano-banana-pro

Any-size image generation, auto-snaps to nearest ratio.

Modes

text→img · img→img

Size

any WxH, snaps to nearest of 10 ratios

Seconds

—（image）

Refs

optional

Billing

per image × tier (1K/2K/4K)

Supported sizes

Model notes

• Aspect ratios (10): 1:1 · 3:2 · 2:3 · 4:3 · 3:4 · 5:4 · 4:5 · 16:9 · 9:16 · 21:9.
• Accepts any WxH; the gateway snaps to the nearest ratio.
• tier sets the resolution and billing tier (1K/2K/4K).
• Reference images optional; present ⇒ image-to-image.

Request example

{
  "model": "nano-banana-pro",
  "prompt": "a neon fox, cinematic",
  "size": "1328x1328",
  "tier": "2k"
}