gemini-3.1-flash-image

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Overview

gemini-3.1-flash-image is available on MAX API through the OpenAI-compatible API.

Pricing

Official list prices in USD. Token prices are per 1M tokens.

All requests

Input: $0.5
Output: $3

Tier	Input	Output
All requests	$0.5	$3

Cache read applies to prompt tokens served from the prompt cache; cache write applies to tokens written into it.

Example request

curl https://<your-endpoint>/v1/images/generations \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3.1-flash-image",
    "prompt": "A lighthouse on a cliff at sunset, watercolor",
    "size": "1024x1024"
  }'

https://<your-endpoint> is a placeholder. Your endpoint is shown in the console after you sign in.