Gemini 3.1 Flash Image Preview, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. It combines advanced contextual understanding with fast, cost-efficient inference, making complex image generation and iterative edits significantly more accessible. Aspect ratios can be controlled with the image_config API Parameter(opens in new tab)
Modalities
Input Price
$0.50per 1M
Output Price
$3per 1M
Context
66K
Weekly Tokens
6.64B
Released
Feb 26, 2026