Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

google/gemini-3.1-flash-lite-image

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Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is Google's fastest, most cost-efficient Gemini image model, built for high-velocity developer pipelines and rapid-fire visual exploration. It delivers text-to-image generation...

Context

66Ktokens

About 94 pages of text at once

Max output

59Ktokens

About 84 pages in one answer

Intelligence

—

No score published for this model.

Output speed

—

Not measured yet

First token

6.7s

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	685,248	IRR / 1M tokens
Output	4,111,490	IRR / 1M tokens
Reasoning tokensThe output rate	4,111,490	IRR / 1M tokens
Image input tokensThe input rate	685,248	IRR / 1M tokens
Image output tokens	82,229,790	IRR / 1M tokens
Per web search	38,374	IRR

What would this model cost you a month?

Requests a day: 2,000

Input tokens per request: 1,500

Output tokens per request: 300

Monthly cost

135.68MIRR

4.52M IRR a day, 2,261 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 token6.54 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 callingNo

JSON outputYes

ReasoningReasoning levels: high, minimal, none

Web searchNo

Prompt cacheNo

Makes imagesYes

Open weightsNo

On the free planNo

Input: ImageText
Output: ImageText

Parameters it accepts

include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedtemperaturetop_p

Other benchmarks

Standard tests

GPQA DiamondScore: 10%Tasks: 396

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-3.1-flash-lite-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-3.1-flash-lite-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-3.1-flash-lite-image
Maker: Google
Tokenizer: Gemini
Knowledge up to: January 2025
Released: Jun 30, 2026
Added to IranRouter: Aug 19, 2026
Context: 65,536 tokens
Max output: 58,982 tokens

as of Oct 31, 2026

Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)One message about 3,430 IRRStart with this model