Google: Nano Banana 2 (Gemini 3.1 Flash Image)

Gemini 3.1 Flash Image, 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...

Pricing and specs

Providergoogle
Input price$0.500 / 1M tokens
Output price$3.00 / 1M tokens
Context window131k tokens
Max output33k tokens
Modalitiesimage, text
Model IDgoogle/gemini-3.1-flash-image

What a typical call costs

A 1,000-token prompt with a 500-token answer on Google: Nano Banana 2 (Gemini 3.1 Flash Image) costs roughly $0.00200. Use the OpenRouter cost calculator to price your own prompt across 400+ models, or the token counter to measure prompt length first.

Run your prompts on Google: Nano Banana 2 (Gemini 3.1 Flash Image)

PromNest stores your prompt library and lets you run any prompt on Google: Nano Banana 2 (Gemini 3.1 Flash Image) with your own OpenRouter key — including side-by-side comparison with other models. Browse 1,000+ ready-made prompt templates to start.

Alternatives from google

Google: Gemini 2.5 FlashGoogle: Gemini 2.5 Flash (batch)Google: Gemini 2.5 Flash LiteGoogle: Gemini 2.5 Flash Lite (batch)Google: Gemini 2.5 ProGoogle: Gemini 2.5 Pro (batch)Google: Gemini 2.5 Pro Preview 05-06Google: Gemini 2.5 Pro Preview 06-05

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