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

google/gemini-3.1-flash-image-preview
Feb 26, 202665.5K context65.5K max output$0.50/M in · $3.00/M outReasoning

Description

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

Specifications

Provider
google
Context Length
65.5K
Max Output
65.5K
Modality
Inimagetext
Outimagetext

Pricing

TypePrice / 1M tokens
Input$0.50
Output$3.00
Web Search$0.01 / call

Quick Start

curl https://api.ominigate.ai/v1/chat/completions \
  -H "Authorization: Bearer sk-omg-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-3.1-flash-image-preview",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) — Pricing & API on OminiGate