Gemini 3.1 Flash Image (Nano Banana 2)

google

google/gemini-3.1-flash-image-preview

Also known as "Nano Banana 2". High-efficiency counterpart to Gemini 3 Pro Image, optimized for speed and high-volume developer use cases. Supports the widest aspect-ratio set (incl. 1:4 / 4:1 / 1:8 / 8:1 banners) and 512-4K resolutions.

Input

Image and prompt

Output

Generated images

Tools

MINIMAL

Reasoning

Pricing

Lane	Per 1M tokens
Input	$0.50
Output	$60.00

Billed per token. No minimums, no per-request fees. Caching applies on supported providers; misses fall back to standard input/output rates.

Quickstart

from openai import OpenAI

client = OpenAI(
    base_url="https://api.vecbase.com/v1",
    api_key="sk-vbc-...",
)

with open("product.jpg", "rb") as image:
    response = client.images.edit(
        model="google/gemini-3.1-flash-image-preview",
        image=image,
        prompt="Create a commerce-ready vertical product detail image.",
        size="1024x1024",
        quality="low",
    )

print(len(response.data), response.usage)

Ready to ship?

Create a project, mint an API key, and call this model from any OpenAI-compatible client.

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