OpenRouterNano Banana Pro model ID, context window & pricing
gemini-pro
Quick facts
Model ID google/gemini-3-pro-image
Source OpenRouter
Context Window 131072
Pricing $2.00 input / $12.00 output per 1M tokens
Capabilities tool calling, reasoning, structured output, temperature control
Model overview
Nano Banana Pro is an AI model from OpenRouter with 131072 token context window and text, image input support.
Published pricing is $2.00 input and $12.00 output per 1M tokens.
- Workloads that use text, image inputs with text, image outputs.
- Agent and tool workflows that need function calling.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID google/gemini-3-pro-image
Provider OpenRouter
Family gemini-pro
Status -
Knowledge Cutoff 2025-01
Release Date 2026-05-28
Input Modalities text, image
Output Modalities text, image
Context Window 131072
Input Limit -
Output Limit 32768
Tool Calling Yes
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