OpenRouterNano Banana Pro (Gemini 3 Pro Image Preview) model ID, context window & pricing
gemini
Quick facts
Model ID google/gemini-3-pro-image-preview
Source OpenRouter
Context Window 65536
Pricing $2.00 input / $12.00 output per 1M tokens
Capabilities reasoning, structured output, temperature control
Model overview
Nano Banana Pro (Gemini 3 Pro Image Preview) is an AI model from OpenRouter with 65536 token context window and image, text input support.
Published pricing is $2.00 input and $12.00 output per 1M tokens.
- Workloads that use image, text inputs with image, text outputs.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID google/gemini-3-pro-image-preview
Provider OpenRouter
Family gemini
Status -
Knowledge Cutoff -
Release Date 2025-11-20
Input Modalities image, text
Output Modalities image, text
Context Window 65536
Input Limit -
Output Limit 32768
Tool Calling No
Reasoning Yes
Structured Output Yes
Temperature Control Yes
Open Weights No
Input Cost / 1M tokens $2.00
Output Cost / 1M tokens $12.00
Reasoning Cost / 1M tokens $12.00
Cache Read Cost / 1M tokens $0.20
Cache Write Cost / 1M tokens $0.38