Nano Banana Pro (Gemini 3 Pro Image)

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Data updated on September 30, 2026· 217 models

GoogleBanana Pro

Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro.

Reasoning estimated
Speed estimated
Input
Output
Context
131 K tokens
Max output
33 K
Input, $ per 1M tokens
$2.00
Output, $ per 1M tokens
$12.00
Cache read, $ per 1M
$0.200
Batch (input / output)
—
Tool calling
No
Released
05/28/2026
Knowledge cutoff
2025-01
API id
google/gemini-3-pro-image

Summary from the data

Nano Banana Pro (Gemini 3 Pro Image) is a Google model available by API since 05/28/2026. It costs $2.00 per million input tokens and $12.00 per million output tokens, accepts 131 K tokens of context and generates up to 33 K tokens per response. Input: image, text; output: image, text. It has a reasoning mode. It does not support tool calling. With 10,000 requests a month of 1,500 input and 400 output tokens it would cost about $78.00 a month.

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What would your product cost?

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Nano Banana Pro (Gemini 3 Pro Image)
$78.00/mo

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Frequently asked questions

How much does Nano Banana Pro (Gemini 3 Pro Image) cost per million tokens?

Nano Banana Pro (Gemini 3 Pro Image) costs $2.00 per million input tokens and $12.00 per million output tokens (USD, list price). Cache read: $0.200. Batch tier: not published.

What context window does Nano Banana Pro (Gemini 3 Pro Image) have?

Nano Banana Pro (Gemini 3 Pro Image) accepts 131 K tokens of context per request and generates up to 33 K tokens per response.

Does Nano Banana Pro (Gemini 3 Pro Image) accept images, audio or files?

Input: image, text. Output: image, text.

Does Nano Banana Pro (Gemini 3 Pro Image) have a reasoning mode and tool calling?

It has a reasoning mode. It does not support tool calling.

When was Nano Banana Pro (Gemini 3 Pro Image) released and what is its knowledge cutoff?

Nano Banana Pro (Gemini 3 Pro Image) has been available by API since 05/28/2026. Knowledge cutoff: 2025-01.

What would an app built on Nano Banana Pro (Gemini 3 Pro Image) cost?

With 10,000 requests a month of 1,500 input and 400 output tokens, Nano Banana Pro (Gemini 3 Pro Image) would cost about $78.00 a month at list price, without cache or batch discounts.

What is the API id of Nano Banana Pro (Gemini 3 Pro Image)?

The id is google/gemini-3-pro-image. It is the name passed in the model parameter of the API (or on OpenRouter).

Where do the prices come from and how often are they updated?

From the public catalogs of OpenRouter, models.dev and LiteLLM, which publish each provider's list prices. They sync once a day and the last update date is shown above the comparison.

What does price per million tokens mean?

It is what the provider charges per million tokens you send (input) or the model generates (output). A token is roughly 4 characters. Output almost always costs more than input.

Sources: OpenRouter, models.dev and LiteLLM. Prices in USD per million tokens, list price, no volume discounts. Prompt tokens are an estimate; each provider's tokenizer may differ.