Skip to content

Nano Banana 2

Google's image generation and editing model, built on Gemini 3.1 Flash Image. Used in the Gemini app and through the Gemini API.

By Googlesource

Facts read from official pages, last on

Official page

Price

What the gateway charges per million tokens: what you send in, and what the model writes back.

Source: Vercel AI Gateway, checked 2026-09-25.

Input
$0.50per 1M tokens
Output
$3per 1M tokensOutput costs 6x the input.

Images: $0.067 each at default size.

Specs

How much it reads at once, how much it writes back, and how recent its knowledge is.

Source: Vercel AI Gateway, checked 2026-09-25.

Context window
131K tokens131,072
Max output
33K tokens32,768
Knowledge cutoff
Jan 2025
Released
Type
Language
Modalities
Takes text, image. Returns text, image.
Gateway ID
google/gemini-3.1-flash-image

Capabilities

What the gateway says this model supports.

Source: Vercel AI Gateway, checked 2026-09-25.

  • Image generation
  • Implicit caching
  • Reasoning
  • Vision
  • Web search
  • Structured output

Data handling

What happens to your prompts, and what you have to switch on.

Source: Vercel AI Gateway, checked 2026-09-25.

ZDRSome providers

Zero data retention

Available on a paid Vercel plan through the AI Gateway, from some providers on it (you turn it on).

NTEvery provider

No training on prompts

Offered by every provider on the Vercel AI Gateway, when you turn it on.

Also by Google15

All 16 by Google

Friday

The brief, by email

Five to seven links an issue, each with what to do about it.

Unsubscribe from any issue.

This page as Markdown