models/Google/Nano Banana Pro

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Nano Banana Pro

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Google's higher-quality image generation model with improved detail and prompt adherence.

MODALITIES

image

PER IMAGE

$0.134

RELEASED

2026-05-22

Nano Banana Pro (google/nano-banana-pro) is a image model from Google, released 2026-05-22. Pricing via AIgateway: $0.134 per image. Call it via https://api.aigateway.sh/v1/images/generations — set model="google/nano-banana-pro". Best for: Bulk generation, Image-to-image edits.

model · google/nano-banana-profamily · Nano Banana

Use this model

model: google/nano-banana-pro

curl https://api.aigateway.sh/v1/images/generations \
  -H "Authorization: Bearer $AIGATEWAY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"google/nano-banana-pro","prompt":"a serene cyberpunk city at dusk"}'

curl https://api.aigateway.sh/v1/images/generations \ -H "Authorization: Bearer $AIGATEWAY_API_KEY" \ -H "Content-Type: application/json" \ -d '{"model":"google/nano-banana-pro","prompt":"a cyberpunk cat"}'

Capabilities

Strengths

Fast + cheap
Strong for iterative edits

Use cases

Bulk generationImage-to-image edits

Pricing

Per image$0.134

1-2K resolution; 4K is $0.24/image

You pay pass-through · 5% applied at credit top-up, not per-call.

See API example →Compare API reference See usage ranking →

Collections

More image models →More from Google →Frontier models →Free-tier models →

API schema

Call Nano Banana Pro from any OpenAI SDK

POST https://api.aigateway.sh/v1/images/generations·Content-Type: application/json·Auth: Bearer sk-aig-...

Request body

json

{
  "model": "google/nano-banana-pro",
  "prompt": "A cyberpunk cat at sunset, cinematic lighting",
  "n": 1,
  "size": "1024x1024",
  "response_format": "url"   // or "b64_json"
}

Response

json

{
  "created": 1776947082,
  "data": [
    { "url": "https://media.aigateway.sh/img/abc123.png" }
    // or { "b64_json": "iVBORw0KGgoAAAANSUhEU..." }
  ]
}

Quickstart

from openai import OpenAI
client = OpenAI(base_url="https://api.aigateway.sh/v1", api_key="sk-aig-...")

r = client.images.generate(
    model="google/nano-banana-pro",
    prompt="a cyberpunk cat at sunset",
    size="1024x1024",
)
print(r.data[0].url)

Errors

401authentication_errorInvalid or missing API key

402insufficient_creditsWallet empty (PAYG only)

404not_foundUnknown model or endpoint

429rate_limit_errorOver per-minute limit — see Retry-After header

500server_errorUpstream provider failed (retryable)

503service_unavailableUpstream saturated (retryable)

Full docs →API reference →OpenAPI spec →llms.txt →

Frequently asked questions

What is Nano Banana Pro?

Google's higher-quality image generation model with improved detail and prompt adherence. It is a image model from Google, accessible via AIgateway's OpenAI-compatible API at slug google/nano-banana-pro.

How much does Nano Banana Pro cost via AIgateway?

$0.1340 per image. Pass-through plus a 5% platform fee applied at top-up.

How do I call Nano Banana Pro from my code?

Point the OpenAI SDK at https://api.aigateway.sh/v1 with your AIgateway key and set model to "google/nano-banana-pro". The request and response shapes match OpenAI exactly.

Does Nano Banana Pro support streaming, tool calling, vision, and JSON mode?

Streaming — no. Tool calling — no. Vision — no. JSON mode — no. Prompt caching — no.

What are the best use cases for Nano Banana Pro?

Bulk generation, Image-to-image edits. Key strengths: Fast + cheap; Strong for iterative edits.

Can I bring my own Google API key (BYOK)?

Yes. Attach a Google key in your AIgateway dashboard and this model flips to pass-through — you pay Google directly and AIgateway waives the 5% platform fee on those calls.