Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Gemini

Multimodal

Paid

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)

Parameters

Context Window

65,536

tokens

Input Price

$0.5

per 1M tokens

Output Price

per 1M tokens

Capabilities

Model capabilities and supported modalities

Performance

Reasoning

Excellent reasoning capabilities with strong logical analysis

Math

Capable of solving most mathematical problems accurately

Coding

Strong coding abilities across multiple programming languages

Knowledge

Extensive knowledge base with broad coverage of topics

Modalities

Input Modalities

image,text

Output Modalities

image,text

LLM Price Calculator

Calculate the cost of using this model

Input Tokens (0.00000050/token)$0.000750

Output Tokens (0.00000300/token)$0.009000

Common Scenarios:

Input Cost:$0.000750

Output Cost:$0.009000

Total Cost:$0.009750

Estimated usage: 4,500 tokens

Monthly Cost Estimator

Based on different usage levels

Light Usage

$0.0350

~10 requests

Moderate Usage

$0.3500

~100 requests

Heavy Usage

$3.5000

~1000 requests

Enterprise

$35.0000

~10,000 requests

Note: Estimates based on current token count settings per request.

Last Updated: 2026/03/31