FastRouterNano Banana 2 model ID, context window & pricing
gemini-flash
Quick facts
Model ID google/gemini-3.1-flash-image-preview
Source FastRouter
Context Window 65536
Pricing $0.50 input / $3.00 output per 1M tokens
Capabilities reasoning, temperature control
Model overview
Nano Banana 2 is an AI model from FastRouter with 65536 token context window and text, image, pdf input support.
Published pricing is $0.50 input and $3.00 output per 1M tokens.
- Workloads that use text, image, pdf inputs with text, image outputs.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID google/gemini-3.1-flash-image-preview
Provider FastRouter
Family gemini-flash
Status -
Knowledge Cutoff 2025-01
Release Date 2026-02-26
Input Modalities text, image, pdf
Output Modalities text, image
Context Window 65536
Input Limit -
Output Limit 65536
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 -
Cache Write Cost / 1M tokens -