AI image API · Google

Gemini 3.1 Flash Image Preview API pricing per image

Generate images with Google's Gemini 3.1 Flash Image Preview through the Cut.Pro API. You see the price before you generate and pay only for what you use.

  • Pay as you go, no subscription
  • 15 free credits on a new account
  • Free quote before every call
From$0.21per imageR$0.70 · 12 credits10 images: $2.08Updated November 07, 2026

Pricing

Gemini 3.1 Flash Image Preview pricing by mode and resolution

ModeResolutionPrice per imageIn reaisCredits
With references2k$0.21R$0.7012 credits

Updated November 07, 2026. Prices use the cheapest credit pack: 1 credit costs $0.0179 (R$0.0599).

Limits

What Gemini 3.1 Flash Image Preview accepts in each request

Modes
With references
Resolutions
2k
Reference images
up to 4

Code

How to call Gemini 3.1 Flash Image Preview free quote, generation and result

BODY='{"model":"google/gemini-3.1-flash-image-preview","prompt":"product photo of a white sneaker on a studio background"}'

CREDITS=$(curl -s -X POST https://api.cut.pro/api/v1/generations/quote \
  -H "X-Api-Key: $CUTPRO_API_KEY" \
  -H "Content-Type: application/json" \
  -d "$BODY" | jq .credits)

curl -X POST "https://api.cut.pro/api/v1/generations?wait=60" \
  -H "X-Api-Key: $CUTPRO_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d "$(jq -c --argjson credits "$CREDITS" '. + {credits: $credits}' <<< "$BODY")"
Read the docs

Questions

API questions before your first call

At 2k, each image costs $0.21 and 10 images come to $2.08 (R$6.96, 117 credits).
Create an account, make a key and send the request to the quote, which charges nothing. The 15 free credits cover 1 image with Gemini 3.1 Flash Image Preview.
No. Buy a credit pack by card, or in reais with Pix from Brazil, and spend it on Gemini 3.1 Flash Image Preview and every other model with the same key.
No. The Cut.Pro key calls Gemini 3.1 Flash Image Preview without a Google account, with one balance for every model in the catalog.
Yes. With a CPF or CNPJ and full address in your billing details, the nota fiscal is issued after each payment is confirmed.

Still missing one? Help center

Generate with Gemini 3.1 Flash Image Preview today

Create a key, get a free quote and pay only for what you generate.

Create API key