Nano Banana 2 API

Google Gemini 3.1 Flash Image Preview — fast text-to-image and image-to-image with native 4K output and up to 14 reference images.

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Access Nano Banana 2 through APIMaster's OpenAI-compatible images endpoint. Generate text-to-image or image-to-image with extreme aspect ratios, optional Google search grounding, and resolution tiers from 0.5K to 4K — billed per image, pay-as-you-go.

Masukan

ModelPrompt

UkuranResolusi

Google Search grounding

Gambar referensi (banyak)

Klik untuk mengunggah gambar

JPEG / PNG / WebP (maks 10MB) · Up to 14 reference images

Keluaran

Hasil Anda akan muncul di sini.

What is the Nano Banana 2 API?

Nano Banana 2 is powered by Google's gemini-3.1-flash-image-preview model. It delivers fast multimodal image generation with strong prompt following, up to 14 reference images for editing workflows, and native 4K output. Use the sync endpoint for one-shot results or async submit + poll for batch pipelines.

Pilih Model

gemini-3.1-flash-image-preview

Channel 03

Per gambar$0.0375/ gmb$0.0672/ gmbHemat 44%

Riwayat sidik jari

Tidak ada data deteksi

Status layanan

Tidak ada data deteksi

Transparent per-image pricing by resolution — pay only for the images you generate.

Nano Banana 2 API — Pricing

Model	Our price	Official	Save
Nano Banana 2	$0.0375/img	$0.0672/img	44%

Capabilities

Native 4K output

Generate up to 4K resolution images with sharp detail — resolution billed in 0.5K / 1K / 2K / 4K tiers.

Text & image-to-image

Up to 14 reference images for editing, style transfer, and multi-image fusion workflows.

Extreme aspect ratios

Supports auto sizing plus ratios from 1:1 through 21:9 and extreme 1:4 / 4:1 — ideal for banners and social formats.

Use cases

E-commerce product shotsUI mockups & app screensMarketing visualsImage editing pipelines4K creative assets

Quick start

curl https://apimaster.ai/v1/images/generations \
  -H "Authorization: Bearer $APIMASTER_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3.1-flash-image-preview",
    "prompt": "An orange cat at sunset, watercolor"
  }'

Nano Banana 2 API — Pertanyaan yang Sering Diajukan

Which model id do I use?

Always gemini-3.1-flash-image-preview in the model field. Nano Banana 2 is the product name on APIMaster.

Which endpoint do I call?

POST /v1/images/generations (sync) or /v1/images/generations/async — not /chat/completions. See Quick start below.

How is billing calculated?

Per image, multiplied by resolution tier (0.5K/1K base, 2K ≈ 4/3×, 4K ≈ 2×). See the price table and usage logs for exact charges.

Can I use reference images?

Yes — up to 14 reference images via image_urls or multipart upload in the playground. JPEG, PNG, WebP, max 10MB each.

Is my data safe?

Yes. Your API data is not stored or used for training, and all requests are sent over encrypted connections.

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