Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

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Data updated on September 30, 2026· 217 models

Google2 Lite

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.

Reasoning estimated
Speed estimated
Input
Output
Context
66 K tokens
Max output
59 K
Input, $ per 1M tokens
$0.250
Output, $ per 1M tokens
$1.50
Cache read, $ per 1M
$0.025
Batch (input / output)
—
Tool calling
Yes
Released
06/30/2026
Knowledge cutoff
2025-01
API id
google/gemini-3.1-flash-lite-image

Summary from the data

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is a Google model available by API since 06/30/2026. It costs $0.250 per million input tokens and $1.50 per million output tokens, accepts 66 K tokens of context and generates up to 59 K tokens per response. Input: image, text; output: image, text. It has a reasoning mode. It supports tool calling. With 10,000 requests a month of 1,500 input and 400 output tokens it would cost about $9.75 a month.

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Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)
$9.75/mo

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Frequently asked questions

How much does Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) cost per million tokens?

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) costs $0.250 per million input tokens and $1.50 per million output tokens (USD, list price). Cache read: $0.025. Batch tier: not published.

What context window does Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) have?

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) accepts 66 K tokens of context per request and generates up to 59 K tokens per response.

Does Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) accept images, audio or files?

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

Does Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) have a reasoning mode and tool calling?

It has a reasoning mode. It supports tool calling.

When was Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) released and what is its knowledge cutoff?

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) has been available by API since 06/30/2026. Knowledge cutoff: 2025-01.

What would an app built on Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) cost?

With 10,000 requests a month of 1,500 input and 400 output tokens, Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) would cost about $9.75 a month at list price, without cache or batch discounts.

What is the API id of Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)?

The id is google/gemini-3.1-flash-lite-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.