Model Services/Google AI/Gemini 3.1 Flash Image Preview

Gemini 3.1 Flash Image Preview

Preview

Google positioned Nano Banana 2 as its latest image generation and editing model, exposed in Gemini API pricing as Gemini 3.1 Flash Image Preview. It is optimized for multimodal prompt following, image editing, and character consistency.

Modality:Image Generation

Release:Feb 18, 2026

Docs Pricing Status page

Pricing

Platform

Scope

Input

Output

Details

Official

Image output

$0.30

$2.50

$0.04/image

Official

Audio input

$1.00

$2.50

Latest changes

Nano Banana 2 introduced as Gemini 3.1 Flash Image Preview

Feb 28, 2026• Critical Update

Google announced Nano Banana 2 on February 18, 2026 and exposed the API billing entry as Gemini 3.1 Flash Image Preview. Official Gemini API pricing lists $0.30 per 1M text/image/video input tokens, $1.00 per 1M audio input tokens, $2.50 per 1M output tokens, and $0.039 per generated image.

Benchmarks

No benchmark data available.