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Nano Banana 2.1 API

Google's newest Nano Banana — top-ranked quality at a quarter of Pro's price

FromUp to −12%
$0.037/imgOfficial price $0.042

per image · 1K

Try Nano Banana 2.1

Runs on your balance at the price shown on the button. Results are saved to your account.

Open full-screen Studio
0/5000

Output image shape.

Output size: 1K ≈ 1 megapixel, 2K ≈ 4 MP, 4K ≈ 16 MP.

Estimated cost…

Create a free account with Google or email — pay only for what you generate.

Your image will appear here

Write a prompt, pick your settings and hit Run. You only pay for successful generations.

What is Nano Banana 2.1?

Nano Banana 2.1 (gemini-nano-banana-2.1) is Google's newest image model: generation and editing up to 4K with accurate text, up to 14 input images and 14 aspect ratios, from about 3 cents an image.

Up to 4K
1K, 2K and 4K output
Low price
About 3 cents per 1K image
14 inputs
Multi-image editing
14 ratios
From 8:1 banners to 1:8

The new default Nano Banana

Nano Banana 2.1 replaces Nano Banana 2 as Google's recommended image model. It ranks above Nano Banana Pro on public text-to-image leaderboards while costing about a quarter as much per 1K image.

Edit and combine

Change backgrounds, outfits, lighting or text in plain language, or blend up to 14 images — products, people and styles — into one consistent scene.

Nano Banana 2.1 pricing

Pay per image. No subscription. Failed generations are refunded automatically.

TierOfficial priceCheaper Gen.
1K
≈1 MP
$0.042/img$0.037/img
2K
≈4 MP
$0.058/img$0.051/img
4K
≈16 MP
$0.121/img$0.107/img
  • Official price: Gemini API list price for gemini-nano-banana-2.1 ($30 / 1M image output tokens: $0.0336 at 1K, $0.0504 at 2K, $0.1134 at 4K; input $1.50 / 1M, thinking $7.50 / 1M tokens). Prices verified 2026-10-16.
  • Prices include the prompt and the model's reasoning tokens; each input image adds about $0.002.

Specifications

Resolutions
1K · 2K · 4K
Aspect ratios
1:1 · 2:3 · 3:2 · 3:4 · 4:3 · 4:5 · 5:4 · 9:16 · 16:9 · 21:9 · 1:4 · 4:1 · 1:8 · 8:1
Edit inputs
Up to 14 images
Model id (Google)
gemini-nano-banana-2.1
Released
Oct 6, 2026

Use Nano Banana 2.1 via API

One request to start a job, one to fetch the result. Same shape for every model.

Full API reference
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"])

Example prompts

Hit “Try it” to load a prompt into the playground above.

  • A hand-lettered chalkboard café menu with five drinks and prices, warm photo

    Try it
  • Image Edit

    Turn this sketch into a glossy 3D-rendered toy figure on a pastel background

    Try it
  • Ultra-wide panoramic banner of a misty fjord at sunrise, tiny red cabin on the shore

    Try it
  • Image Edit

    Make the person in image 1 wear the jacket from image 2, same pose and lighting

    Try it

Nano Banana 2.1 FAQ

Nano Banana 2.1 is billed per generated image at Google's rates for the output resolution; the prompt and each input image add a small amount of input tokens. Failed or blocked generations are not charged.

Yes — use Image Edit with one or more input images and describe the change in plain language. It can combine several images (products, people, places) into one scene and keeps details consistent.

Yes. Requests run on Google's Gemini image model through an official Google channel — the same model as the Gemini API, at a lower price.

Yes, subject to Google's Generative AI terms and our Terms of Service. Images carry Google's invisible SynthID watermark.

Nano Banana 2.1 is developed by Google. Cheaper Gen. provides API access through official upstream endpoints and does not own the model. Trademarks belong to their respective owners. · Markdown · OpenAPI