VertexNano Banana Pro model ID, context window & pricing
gemini-pro
Quick facts
Model ID gemini-3-pro-image
Source Vertex
Context Window 65536
Pricing $2.00 input / $120.00 output per 1M tokens
Capabilities reasoning, temperature control
Model overview
Nano Banana Pro is an AI model from Vertex with 65536 token context window and text, image input support.
Published pricing is $2.00 input and $120.00 output per 1M tokens.
- Workloads that use text, image inputs with text, image outputs.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID gemini-3-pro-image
Provider Vertex
Family gemini-pro
Status -
Knowledge Cutoff 2025-01
Release Date 2026-05-28
Input Modalities text, image
Output Modalities text, image
Context Window 65536
Input Limit -
Output Limit 32768
Tool Calling No
Reasoning Yes
Structured Output -
Temperature Control Yes
Open Weights No
Input Cost / 1M tokens $2.00
Output Cost / 1M tokens $120.00
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens -
Cache Write Cost / 1M tokens -