LLM prices per 1M tokens

264 models · 161 price changes

Nano Banana Pro (Gemini 3 Pro Image Preview)

Google · Reasoning · 66K context · released Nov 20, 2025 · checked 12h ago

Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro.

Ways to buy 3

Way to buyIn / out per 1M
Google Gemini API
global-flex, cheapest · cached $0.1
$1 / $6-50% vs list
Google Gemini API API
The lab's own API · cached $0.2
$2 / $12List price
Google Gemini API
global · cached $0.2
$2 / $12Same as list

USD per 1M tokens. Regions are separate routes.

Through a gateway

Your own numbers

100M input and 20M output tokens a month: $440.00 direct.

A dash: not on that gateway's own model list. No published token fee: Portkey, TrueFoundry AI Gateway.

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$1.5 / $7.5Nano Banana 2.1 (Gemini Nano Banana 2.1) is Google's image generation and editing model on the Flash tier, succeeding Nano Banana 2 and Nano Banana Pro.
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About Nano Banana Pro (Gemini 3 Pro Image Preview)

Takes image, text in and returns image, text. First listed Nov 30, 2025. Up to 33K output tokens. Blended price $4.5 per 1M tokens at 3 input to 1 output. Model id gemini-3-pro-image-preview.

Price history

$3$102026Nov 30, 2025Output $12Input $2

List price since Nov 30, 2025, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.

Questions

How much does Nano Banana Pro (Gemini 3 Pro Image Preview) cost?

$2 per million input tokens and $12 per million output tokens, with cached input at $0.2.

What is the context window of Nano Banana Pro (Gemini 3 Pro Image Preview)?

66K tokens, with up to 33K tokens of output.

Where is Nano Banana Pro (Gemini 3 Pro Image Preview) cheapest?

Of 3 routes tracked, Google Gemini API is cheapest at $1 input and $6 output per million tokens.