Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Google model details for pricing, context, and release tracking.

Pricing data updated: 2026-05-13T16:32:23Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Model Specs

Provider	Google
Model ID	`google/gemini-3.1-flash-image-preview`
Prompt Price per 1M tokens	$0.5
Completion Price per 1M tokens	$3
Sample Workload Cost 1M input + 500K output	$2
Context Window	65.54K
Release Date	2026-02-26
Popularity Rank	Unranked
Daily Demand	N/A

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Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Nano Banana 2 (Gemini 3.1 Flash Image Preview) Calculating… Estimated monthly API cost

Unit prices $0.5 input / $3 output Per 1M tokens

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Model Introduction

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...

Best Fit

Nano Banana 2 (Gemini 3.1 Flash Image Preview) is best suited for general API evaluation.

Cost Example

A 1M input token plus 500K output token workload is estimated at $2.

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