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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](https://openrouter.ai/docs/features/multimodal/image-generation#image-aspect-ratio-configuration)
Price/1M
$1.13
494th cheapest
263% above median
Top 73%
Context Window
66K
271st largest
Top 80%
Input
$0.50
per 1M tokens
Output
$3.00
per 1M tokens
Blended
$1.13
per 1M tokens
Cheaper than 27% of models. Median price is $0.31/1M tokens.
Daily
$1.13
Monthly
$33.75
Context Window
66K
tokens
Larger than 20% of models
Max Output
66K
tokens
100% of context
Context Window Comparison