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Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) API Pricing

Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) is an API model from google. It costs $0.5 per 1M input tokens and $3 per 1M output tokens. Its context window is 65,536 tokens with up to 58,982 output tokens. A workload of 10M input + 2M output tokens costs about $11 per month.
Input
$0.5
per 1M tokens
Output
$3
per 1M tokens
Cached input
—
per 1M tokens
Context window
65K
65,536 tokens
Blended (80/20)
$1
per 1M tokens

Gemini 3.1 Flash Image Preview, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. It combines...

How much does Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) cost for a real workload?

At 10M input + 2M output tokens per month, Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) costs about $11 ($5 input + $6 output). Try your own volumes in the cost calculator.

What are cheaper alternatives to Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)?

Where to run Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)

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Compare Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) with other models

Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs Google: Gemma 4 26B A4B (free)Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs Google: Gemma 4 31B (free)Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs Google: Lyria 3 Pro PreviewGoogle: Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs Google: Lyria 3 Clip PreviewGoogle: Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs Google: Gemma 3 4BGoogle: Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs Google: Gemma 3 12B

Frequently asked questions

How much does Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) cost?

Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) costs $0.5 per 1M input tokens and $3 per 1M output tokens (list price, snapshot October 22, 2026). At 10M input + 2M output tokens per month that is about $11.

What is the context window of Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)?

Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) has a context window of 65,536 tokens and can return up to 58,982 output tokens per response.

What are cheaper alternatives to Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)?

Cheaper models include MoonshotAI: Kimi K2 Thinking ($0.6 in / $2.5 out), MoonshotAI: Kimi K2 0905 ($0.6 in / $2.5 out), Tencent: Hy4 preview ($0.7506 in / $2.251 out). See the full list on this page.

Is Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) free to use?

No. Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) is a paid model at $0.5 input / $3 output per 1M tokens. 21 free models are listed on the free models page.

Provider: google · Model ID: google/gemini-3.1-flash-image-preview · Modality: text+image->text+image · Price snapshot October 22, 2026, refreshed daily. How we collect prices