Rodium AI
Google

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

google/gemini-3-1-flash-image-preview

visionimage-genpreview

Input price

298.1 RODI/M

~ 0.5 USD/M

Output price

1788.3 RODI/M

~ 3 USD/M

Context

131K

Max output

Input:imagetext
Output:imagetext

Pricing

RateRODIUSD (ref.)Unit
In298.1~ 0.500USD/M · RODI/M
Out1788.3~ 3.00USD/M · RODI/M
Image out35761.5~ 60.00USD/M · RODI/M

RODI prices include Rodium markup and upstream fees. USD figures are wholesale reference rates.

Capabilities

Streaming
Tool calling
Vision
JSON mode
Reasoning

About this model

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-c

API usage

Use the canonical model slug in your chat completion requests.

Shell / scripts:

Chat completions docs →