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

deprecatedproprietary

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

Context
66K
Max output
33K
Input price
$2/1M tokens
Output price
$12/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Batch Processing

Details

Model IDgoogle/gemini-3-pro-image-preview
Provider OpenRouter
Creator Google AI
Familygemini-3
Licenseproprietary
Statusdeprecated
Typechat
Input modalitiesimage, text
Output modalitiesimage, text
Open weightNo
Parameters—
Architecture—
Context window66K tokens
Max input—
Max output33K tokens
Reasoning tokens—
Knowledge cutoff
Release date
Deprecation date
Sourceofficial

Pricing

Input
$2
Output
$12
Cache write
—
Cache read
$0.2
Batch in
—
Batch out
—

Family Comparison: gemini-3

ModelContextMax outPricing
Google: Gemini 3 Flash Preview (batch)1.0M66K$0.25$1.5
Google: Gemini 3 Flash Preview1.0M66K$0.5$3
Google: Nano Banana Pro (Gemini 3 Pro Image Preview)66K33K$2$12
Google: Nano Banana Pro (Gemini 3 Pro Image)131K33K$2$12
Google: Gemini 3 Pro Preview1.0M66K$2$12

API

GET/v1/models/openrouter/google/gemini-3-pro-image-preview

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

deprecated
google/gemini-3-pro-image-preview

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

Changes · 3 entries
google/gemini-3-pro-image-previewupdate1cd659eMar 24, 2026, 04:19 AM
capabilitiesjson modeyes
google/gemini-3-pro-image-previewupdate2b100acMar 23, 2026, 05:30 AM
model_typechat
release_date2025-11-20
taglineNano Banana Pro is Google’s most advanced image-generatio...
google/gemini-3-pro-image-previewcreate7f5c66fMar 21, 2026, 05:16 AM