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Nano Banana Pro (Gemini 3 Pro Image)

Google · Reasoning · 131K context · released Jun 18, 2026 · checked 7h ago

Ways to buy 3

Way to buyIn / out per 1M
Google Gemini API API
The lab's own API · cached $0.2
$2 / $12List price
Google Vertex AI
global · cached $0.2
$2 / $12Same as list
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.

No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.

Related models

In / out per 1M
Gemini 3.8 Flash
Google · 1MCheapest: $0.75 on Google Gemini API (flex)
$0.75 / $3.75
Gemini 3.7 Flash
Google · 1MCheapest: $0.75 on Google Vertex AI (global-flex)
$0.75 / $3.75100%
Gemini 3.5 Flash Lite
Google · 1MCheapest: $0.425 on Google Vertex AI (global-flex)
$0.3 / $2.5
Gemini 3.6 Flash
Google · 1MCheapest: $0.75 on Google Vertex AI (global-flex)
$0.75 / $3.75
Claude Opus 5
Anthropic · 1M
$5 / $25
Claude Opus 5.5
Anthropic · 1M
$4 / $20
GPT-5.6 Sol
OpenAI · 1.05MCheapest: $2 on OpenAI (flex)
$2 / $10
Claude Opus 4.6
Anthropic · 1M
$5 / $25

About Nano Banana Pro (Gemini 3 Pro Image)

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

Takes image, text in and returns image, text. First listed Jun 27, 2026. Up to 33K output tokens. Blended price $4.5 per 1M tokens at 3 input to 1 output. Model id gemini-3-pro-image.

Price history

$3$10Jun 27, 2026Output $12Input $2

List price since Jun 27, 2026, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.

Questions

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

131K tokens, with up to 33K tokens of output.

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

Of 3 routes tracked, Google Vertex AI is cheapest at $2 input and $12 output per million tokens.

Sources: OpenRouter's public model catalog and each provider's own pricing page, read every morning at 05:00 UTC; gateway fees re-read every Monday. List prices: your contract may differ. Logos via logo.dev; trademarks belong to their owners.

Price changes by email

Thursdays, only in weeks when an LLM API list price changed.

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