Nano Banana 2.1 API
Google's newest Nano Banana — top-ranked quality at a quarter of Pro's price
Try Nano Banana 2.1
Runs on your balance at the price shown on the button. Results are saved to your account.
Output image shape.
Output size: 1K ≈ 1 megapixel, 2K ≈ 4 MP, 4K ≈ 16 MP.
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.
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.
| Tier | Official price | Cheaper Gen. | You save |
|---|---|---|---|
1K ≈1 MP | $0.037/img | −12% | |
2K ≈4 MP | $0.051/img | −12% | |
4K ≈16 MP | $0.107/img | −12% |
- 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.
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
- Image Edit
Turn this sketch into a glossy 3D-rendered toy figure on a pastel background
Ultra-wide panoramic banner of a misty fjord at sunrise, tiny red cabin on the shore
- Image Edit
Make the person in image 1 wear the jacket from image 2, same pose and lighting
Nano Banana 2.1 FAQ
Related models

Nano BananaPro
Text → Image · Image Edit
Gemini 3 Pro Image — studio-grade generation and editing up to 4K

GPT Image2.5 Flare
Text → Image · Image Edit
The faster GPT Image 2.5 for everyday images and volume

Seedream5.0 Lite
Text → Image · Image Edit
High-quality Seedream images at a lower price
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
