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Google: Nano Banana Pro (Gemini 3 Pro Image Preview) pricing

Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro. It extends the original Nano Banana with significantly improved multimodal reasoning, real-world grounding… Google: Nano Banana Pro (Gemini 3 Pro Image Preview) from OpenRouter costs $2.00 per 1M input tokens and $12.00 per 1M output tokens. Cached input is $0.200 per 1M. Context window 65,536 tokens.

API id google/gemini-3-pro-image-preview · OpenRouter · source · updated 2026-11-10

We have not confirmed what kind of model this is. Its name suggests one thing and its pricing another, and we would rather say so than guess.

$2.00
Input / 1M tokens
$12.00
Output / 1M tokens
$0.200
Cached input / 1M
66K
Context window

Google: Nano Banana Pro (Gemini 3 Pro Image Preview) specifications

Provider
OpenRouter
API id
google/gemini-3-pro-image-preview
Model type
unknown
Context window
66K tokens
Max output
33K tokens
Currency
USD
Price source
Provider API
Last checked
2026-11-10

Tags

  • fast
  • flagship
  • preview
  • vision

What Google: Nano Banana Pro (Gemini 3 Pro Image Preview) costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500$0.0080
Document summary50,0002,000$0.12
1M tokens in, 200K out1,000,000200,000$4.40

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

Common questions

How much does Google: Nano Banana Pro (Gemini 3 Pro Image Preview) cost per 1M tokens?
Google: Nano Banana Pro (Gemini 3 Pro Image Preview) costs $2.00 per 1M input tokens and $12.00 per 1M output tokens on the standard tier. Cached input is $0.200 per 1M.
What is Google: Nano Banana Pro (Gemini 3 Pro Image Preview)'s context window?
Google: Nano Banana Pro (Gemini 3 Pro Image Preview) accepts up to 65,536 tokens in a single request, and can return up to 32,768 output tokens.
Is there a cheaper OpenRouter model than Google: Nano Banana Pro (Gemini 3 Pro Image Preview)?
Yes. Free Models Router is free per 1M input tokens versus $2.00 for Google: Nano Banana Pro (Gemini 3 Pro Image Preview), with a 200,000 token context window.
Where does this Google: Nano Banana Pro (Gemini 3 Pro Image Preview) price come from?
From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.

Head-to-head comparisons

Other OpenRouter models

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