Google: Nano Banana Pro (Gemini 3 Pro Image)

google/gemini-3-pro-image

Unavailable

Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro. It extends the original Nano Banana with significantly improved multimodal reasoning, real-world grounding, and...

Context

131Ktokens

About 187 pages of text at once

Max output

33Ktokens

About 47 pages in one answer

Intelligence

—

No score published for this model.

Output speed

—

Not measured yet

First token

25.9s

Reasoning models start later

From public market statistics for this model

Health, 30 days

50.00%

0 of 30 days without a fault

IranRouter’s measurements

Price & cost

Every rate in Rial. A request pays only for the tokens it actually uses.

Input	5,481,986	IRR / 1M tokens
Output	32,891,916	IRR / 1M tokens
Reasoning tokens	32,891,916	IRR / 1M tokens
Cache read	548,199	IRR / 1M tokens
Cache write, 5 minutes	1,027,872	IRR / 1M tokens
Image input tokens	5,481,986	IRR / 1M tokens
Image output tokens	328,919,160	IRR / 1M tokens
Audio input	5,481,986	IRR / 1M tokens
Cached audio input	548,199	IRR / 1M tokens
Per web search	38,374	IRR

With prompt caching, the fixed part of your prompt is billed at the cache-read rate on later requests.

What would this model cost you a month?

Requests a day: 2,000

Input tokens per request: 1,500

Output tokens per request: 300

Share of input read from cache: 0%

Monthly cost

1.09BIRR

36.18M IRR a day, 18K IRR each request

30 days at today’s rate.

Rial price over 90 days

It moves with the exchange rate; the steps are the maker’s own price changes. Built at today’s margin, so approximate if the margin changed in the window.

InputOutput

Performance, 30 days

Health is measured by IranRouter itself: a day counts as healthy unless requests to this model failed on our side or it could not be served. First token and speed come from IranRouter’s traffic, and from public market statistics for this model on days without enough of it.

Daily health50.00%

Time to first token25.84 s

Output speed0 tokens/s

Place in the market

By usage across the global model market.

This model isn’t ranked yet.

Capabilities

Image inputYes

Audio inputNo

Tool callingYes

JSON outputYes

ReasoningYes

Web searchNo

Prompt cacheYes

Makes imagesYes

Open weightsNo

On the free planNo

Input: ImageText
Output: ImageText

Parameters it accepts

include_reasoningmax_tokensreasoningresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_p

Start in a minute

The official OpenAI and Anthropic SDKs; only the address and the key change.

Base URLhttps://iranrouter.com/v1

Model IDgoogle/gemini-3-pro-image

API keyCreate one in the dashboard

# pip install openai
from openai import OpenAI

client = OpenAI(
    base_url="https://iranrouter.com/v1",
    api_key="ir-...",
)

r = client.chat.completions.create(
    model="google/gemini-3-pro-image",
    messages=[{"role": "user", "content": "Hello, introduce yourself"}],
)
print(r.choices[0].message.content)

The full guide in the docs: keys, streaming and errors

Peer models

Its family and models with a close score; the last column compares one message’s cost with this model.

No peer models found.

Technical specs

ID: google/gemini-3-pro-image
Maker: Google
Tokenizer: Gemini
Released: Jun 18, 2026
Added to IranRouter: Aug 19, 2026
Context: 131,072 tokens
Max output: 32,768 tokens

Google: Nano Banana Pro (Gemini 3 Pro Image)One message about 27,410 IRRStart with this model