API price · Google

Nano Banana Pro API price - up to 69% below Google

Nano Banana Pro from $0.07 per image - up to 69% below Google's price. Pay as you go, no subscription, failed generations are free.

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Nano Banana Pro price: Jantaris vs Google

Variant	Jantaris	Google (Gemini API (Standard))	Difference
1K · image	$0.07	$0.134	-48%
2K · image	$0.07	$0.134	-48%
4K · image	$0.075	$0.24	-69%

Jantaris: current price list. Google: Google's Standard per-image price, USD before tax. Source: Gemini API (Standard), checked 2026-10-29.

What people use it for

Product photos: upload a product shot and describe the scene - the model places it in a new setting.
Fix lettering and details on an existing image (reference-based editing).
Store and social graphics in 1K, 2K or 4K at a similar low price.

Google Gemini 3 Pro Image for 14-reference compositing with 4K output

Examples

Nano Banana Pro (Gemini 3 Pro Image). Prompt: "From a high-angle, cinematic viewpoint, the image presents a breathtaking panorama of a futuristic megalopolis at twilight. The scene is dominated by two colossal, wedge-shaped starships that hover with silent authority in the hazy air, their dark hulls punctuated by small, illuminated windows that underscore their immense scale. Below them, a dense urban landscape stretches into the distance, a vibrant tapestry of towering skyscrapers and complex structures glowing with a network of warm, golden lights. In the bottom right corner, the silhouettes of a man and woman stand on an unseen ..." — Nano Banana Pro (Gemini 3 Pro Image). Prompt: "From a high-angle, cinematic viewpoint, the image presents a…

Nano Banana Pro (Gemini 3 Pro Image). Prompt: "This is a stunning close-up photograph of a red-eyed tree frog, capturing its vibrant colors and intricate details with remarkable clarity. The frog is positioned on a large, dewy green leaf, its body angled slightly away from the viewer but its head turned to face us. Its most striking feature is its large, bulging red eye with a vertical black pupil, which seems to gaze intently. The frog's skin is a beautiful tapestry of colors: its head and the upper part of its back are a bright, almost lime green, transitioning into a striking orange on its lower back and legs..." — Nano Banana Pro (Gemini 3 Pro Image). Prompt: "This is a stunning close-up photograph of a red-eyed tree frog,…

My test: Kraków street scene with signs (result from promptowy.com)

Three ways in, one balance

Studio

In the browser

Type a prompt, upload an image, click Generate. The price is shown before you start.

Open Studio

API

REST /v1

One key for every model, a spending limit per key, webhooks.

Parameters and code samples

Agents

Claude Code, Codex, Cursor

MCP server: the agent quotes, asks for approval and generates.

Connect an agent

For businesses

One balance for your whole team and separate API keys with spending limits per project. AI API for business →

Other models below the vendor price: Veo 3.1 Fast · Veo 3.1 Lite

FAQ

How much does the Nano Banana Pro API cost?

On Jantaris from $0.07 per image. Each variant is listed in the table above, taken from the live price list.

Why is it cheaper than Google?

We buy compute in bulk from infrastructure providers and resell it with one margin. If our price ever stops being lower, this comparison disappears from the page automatically.

Can I get a VAT invoice?

Yes. Tick "I want a VAT invoice" when topping up and enter your company details - the invoice appears in your dashboard.

What if a generation fails?

A failed generation costs nothing - the reserved amount returns to your balance.

What is the minimum top-up?

The minimum is $10. No subscription, the balance never expires and works with all 85 models.