Google · 2 models

Nano Banana API

Google's Nano Banana image models through one API: Nano Banana 2.1 and Nano Banana Pro. Image from $0.032/image, up to 25% below official. Text-to-image and editing, up to 4K.

Models: 2; image
From: $0.032/image; Nano Banana 2.1
Below official: up to 25%; Nano Banana 2.1
Failed runs: $0; refunded automatically

Lineup

Nano Banana image models on CheaperGen

Starting price per image at each model's lowest tier, next to Google's official price. Select a column to sort.

Nano Banana API: image models, specs and prices. Select a column header to sort.

Nano Banana Pro GoogleAPI pricing API cost	T2I · Edit	4K	Up to 14	$0.1197/image 1K	$0.138/image	up to 18%
Nano Banana 2.1 GoogleAPI pricing API cost	T2I · Edit	4K	Up to 14	$0.032/image 1K	$0.0416/image	up to 25%

Model picker

Which Nano Banana model is right for you?

Pick what you need and what matters most; we'll suggest a model and load it in the playground below.

What matters most

Your Nano Banana pick

Nano Banana 2.1

From $0.032/image

The lowest starting price: $0.032/image

Details →

Then: Nano Banana Pro

How to choose

Which Nano Banana model should you use?

Newest: Nano Banana 2.1, released October 2026.
Lowest price: Nano Banana 2.1 from $0.032/image (1K).

Prices side by side

Nano Banana API pricing per image

Each Nano Banana image model at every size it offers — the lowest price per image, with Google's official price struck through. Lowest per row in orange.

Nano Banana prices by model and size
Size	Nano Banana 2.1	Nano Banana Pro
1K	$0.032/image~~$0.0416~~ With a monthly plan: Pro $0.031Max $0.03	$0.1197/image~~$0.138~~ With a monthly plan: Pro $0.1177Max $0.1156
2K	$0.0479/image~~$0.0584~~ With a monthly plan: Pro $0.0464Max $0.045	$0.1197/image~~$0.138~~ With a monthly plan: Pro $0.1177Max $0.1156
4K	$0.0907/image~~$0.1214~~ With a monthly plan: Pro $0.0866Max $0.0825	$0.1995/image~~$0.244~~ With a monthly plan: Pro $0.1928Max $0.186

Monthly plans lower prices on most models (shown under each price); you can still pay as you go. Pro $499/month · Max $4,999/month.

Try it

Try the Nano Banana models

Switch models with the tabs. Runs on your balance at the price on the button; failed runs are refunded.

Capabilities

Nano Banana image models compared

Nano Banana image capabilities
Feature	Nano Banana 2.1	Nano Banana Pro
Text to image	Yes	Yes
Image editing	Yes	Yes
Sizes	1K, 2K, 4K	1K, 2K, 4K
Edit inputs	Up to 14	Up to 14
Aspect ratios	14	10
Released	Oct 2026	Nov 2025

Quick start

Call the Nano Banana API

One request shape for every Nano Banana model: POST /v1/run/{endpoint} with your key, then poll the generation or pass a webhook_url. Switching models means changing the endpoint.

Nano Banana endpoints
Model	Endpoint
Nano Banana 2.1 · Text to Image	google/nano-banana-2.1/text-to-image
Nano Banana 2.1 · Image Edit	google/nano-banana-2.1/edit
Nano Banana Pro · Text to Image	google/nano-banana-pro/text-to-image
Nano Banana Pro · Image Edit	google/nano-banana-pro/edit

Nano Banana 2.1 · Text to Image

const API = "https://cheapergen.com/api/v1";
const headers = {
  Authorization: `Bearer ${process.env.CHEAPERGEN_API_KEY}`,
  "Content-Type": "application/json",
};

// 1. Submit the job
let job = await fetch(`${API}/run/google/nano-banana-2.1/text-to-image`, {
  method: "POST",
  headers,
  body: JSON.stringify({
    "prompt": "A cozy ramen shop at night in the rain, warm light spilling onto wet pavement, a neon sign that reads “OPEN”, photorealistic",
    "aspect_ratio": "1:1",
    "resolution": "1K"
  }),
}).then((r) => r.json());

// 2. Poll until it finishes (or pass webhook_url and skip polling)
while (job.status === "queued" || job.status === "running") {
  await new Promise((r) => setTimeout(r, 3000));
  job = await fetch(`${API}/generations/${job.id}`, { headers }).then((r) => r.json());
}

console.log(job.status === "succeeded" ? job.output.images[0].url : job.error);

import os, time, requests

API = "https://cheapergen.com/api/v1"
headers = {"Authorization": f"Bearer {os.environ['CHEAPERGEN_API_KEY']}"}

# 1. Submit the job
job = requests.post(f"{API}/run/google/nano-banana-2.1/text-to-image", headers=headers, json={
    "prompt": "A cozy ramen shop at night in the rain, warm light spilling onto wet pavement, a neon sign that reads “OPEN”, photorealistic",
    "aspect_ratio": "1:1",
    "resolution": "1K"
}).json()

# 2. Poll until it finishes (or pass "webhook_url" and skip polling)
while job["status"] in ("queued", "running"):
    time.sleep(3)
    job = requests.get(f"{API}/generations/{job['id']}", headers=headers).json()

print(job["status"], job["output"]["images"][0]["url"] if job["status"] == "succeeded" else job["error"])

curl -X POST https://cheapergen.com/api/v1/run/google/nano-banana-2.1/text-to-image \
  -H "Authorization: Bearer $CHEAPERGEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "prompt": "A cozy ramen shop at night in the rain, warm light spilling onto wet pavement, a neon sign that reads “OPEN”, photorealistic",
  "aspect_ratio": "1:1",
  "resolution": "1K"
}'

Go deeper

Pricing, cost and docs for each Nano Banana model

Nano Banana 2.1

up to 25% below Official

Nano Banana Pro

up to 18% below Official

FAQ

Nano Banana API questions

Nano Banana is Google's family of AI image models. Through CheaperGen you call all 2 of them — Nano Banana 2.1 and Nano Banana Pro — with one API key: POST /v1/run/{endpoint}, then poll the generation or receive a webhook. What each version does: Nano Banana AI; the newest: Nano Banana Latest.

Image models start at $0.032/image (Nano Banana 2.1) — up to 25% below Google's official price. Pay as you go from prepaid credits; failed generations are refunded.

Newest: Nano Banana 2.1, released October 2026. Lowest price: Nano Banana 2.1 from $0.032/image (1K).

Create a CheaperGen account, add credits and create a key in Dashboard → API keys. The same key runs every Nano Banana model and the other 43 models in the catalog; you don't need a Google account. Step by step: Nano Banana 2.1 API key.

Yes. Nano Banana 2.1 and Nano Banana Pro are developed by Google; CheaperGen provides API access — the same models and output, at a lower price — and doesn't own them.

Nano Banana 2.1 and Nano Banana Pro are developed by Google; CheaperGen provides API access and does not own them. Trademarks belong to their respective owners.

Nano Banana API

Nano Banana image models on CheaperGen

Which Nano Banana model is right for you?

Which Nano Banana model should you use?

Nano Banana API pricing per image

Try the Nano Banana models

Nano Banana image models compared

Call the Nano Banana API

Pricing, cost and docs for each Nano Banana model

Nano Banana API questions

What is the Nano Banana API?

How much does the Nano Banana API cost?

Which Nano Banana model should I use?

How do I get a Nano Banana API key?

Is it the official Nano Banana model?