Gemini 3.1 Flash Image (Nano Banana 2) model ID, context window & pricing
gemini
Quick facts
Model ID google/gemini-3.1-flash-image
Source Vercel AI Gateway
Context Window 131072
Pricing $0.50 input / $3.00 output per 1M tokens
Capabilities reasoning, temperature control
Model overview
Gemini 3.1 Flash Image (Nano Banana 2) is an AI model from Vercel AI Gateway with 131072 token context window and text, image input support.
Published pricing is $0.50 input and $3.00 output per 1M tokens.
- Workloads that use text, image inputs with text, image outputs.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID google/gemini-3.1-flash-image
Provider Vercel AI Gateway
Family gemini
Status -
Knowledge Cutoff -
Release Date 2026-05-28
Input Modalities text, image
Output Modalities text, image
Context Window 131072
Input Limit -
Output Limit 32768
Tool Calling No
Reasoning Yes
Structured Output -
Temperature Control Yes
Open Weights No
Input Cost / 1M tokens $0.50
Output Cost / 1M tokens $3.00
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.05
Cache Write Cost / 1M tokens -