Nano Banana 2 (Gemini 3.1 Flash Image Preview) chat

openrouter
google
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

Capabilities

Context Window 65k tokens
Max Output 65k tokens
Inputs
Outputs

Pricing (per 1M tokens)

Input $0.50
Output $3.00
Cache Read -
Cache Write -

Supported Parameters

include_reasoningmax_tokensreasoningresponse_formatseedstopstructured_outputstemperaturetop_p