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

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) costs $0.25 per million input tokens and $1.50 per million output tokens on standard pricing. A workload of 20M input and 5M output tokens a month is about $13.

What is the context length of Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)?

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) accepts up to 65,536 tokens (66K) of input and can return up to 58,982 tokens in one response.

Does Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) support tool calling and structured outputs?

Tool calling is not listed for Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) and structured (JSON) outputs. Supported tools: JSON mode, Reasoning, Deterministic seed.

What inputs and outputs does Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) support?

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) accepts Image, Text as input and produces Image, Text as output.

When was Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) released?

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) was released by Google in 2026-06-30.

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

gemini-3.1-flash-lite-image

API Provider site

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... Built by Google.

Prices updated recently

Input price

$0.25

per 1M tokens · Standard

Output price

$1.50

per 1M tokens · Standard

Input limit

66K

tokens

Output limit

59K

tokens

Input formats

TextImageVideoAudioPDF

Output formats

TextImageVideoAudioPDF

Compare

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) price history

2 price records since 9/25/2026

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) cost calculator

Input20M tokens

Output5M tokens

$13/month

Standard pricing

Overview

What is Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)?

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is a text & reasoning and vision model from Google. 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... Its 66K context window and $0.25 input price make it a candidate for cost-sensitive, high-throughput applications.

Image understandingDocument analysisContent workflowsClassification

Rates

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) pricing

Pricing is based on token usage. Provider-specific caching, batch, regional, and tool charges may affect the final cost.

Input · Standard

$0.25

Per 1M tokens

Cached input · Standard

Not available

No listed cached-input rate

Capabilities

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) Tools

Tools available when using Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) through supported provider APIs.

Function calling

Not supported

Structured outputs

Not supported

JSON mode

Supported

Reasoning

Supported

Built-in web search

Not supported

Log probabilities

Not supported

Deterministic seed

Supported

Parallel tool calls

Not supported

Prompt caching

Not supported

Strengths and limitations

Strengths

Low input cost at $0.25 per million tokens suits high-volume workloads.
A 66K context window covers most focused application workflows.
Supports text & reasoning and vision workloads in one model.

Limitations

Generated tokens cost 6× more than input tokens, which matters for verbose responses.
The 66K context window is smaller than several long-context alternatives.
Arena Elo and MMLU-Pro are directional; test accuracy, latency and reliability on your own workload before committing.

Arena Elo, MMLU-Pro and pricing figures are illustrative; validate current vendor terms before purchase.

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