Antimatter
Google

Nano Banana 2

google/gemini-3.1-flash-image

Gemini 3.1 Flash Image, a.k.a.

$0.55 in · $3.30 out per 1M tokens131k contextJun 18, 2026

about 0.2¢ a message

A typical message: about 500 tokens you send and 500 it writes.

up to 27¢ a picture

Chat with Nano Banana 2
Call it from codeLock this price

Spec sheet

Published facts from the catalog, billed prices and what we measured here. Anything not measured says so.

Price, billed here

Input, per 1M tokens
$0.55provider $0.50
Output, per 1M tokens
$3.30provider $3.00
Margin
+10%

Context and formats

Context window
131,072 tokens
Longest answer
32,768 tokens
Reads
text and images
Makes
text and images
First listed
2026-06-18

Measured here, last 7 days

First token, median
not measured
Answered without error
not measured

Tools and JSON

Tool calling
not declared
JSON output
declaredthe provider's claim, not yet measured here

Price and latency history as JSON: GET /api/planet/history?id=google/gemini-3.1-flash-image.

About

Gemini 3.1 Flash Image, 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...

In Google's words.

Try it here

This model makes images. Sign in to make one, billed to your balance.
The image appears here.

Measured here

Call it

Use one OpenAI compatible endpoint, this model's id and an am_live_ key from the dashboard. You can also try it in chat first with no key.

curl https://useantimatter.com/v1/chat/completions \
  -H "Authorization: Bearer $ANTIMATTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "google/gemini-3.1-flash-image", "messages": [{"role": "user", "content": "Hello"}]}'

Everything else is in the docs.

Embed this

A badge showing this model's live price per million tokens, as billed here, for a README or a site. It links back to this page.

Nano Banana 2 (Gemini 3.1 Flash Image) price on Antimatter
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