Google · Model identity
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Gemini 3.1 Flash Image Preview, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. It combines...
1pricing route
What published route metadata supports
ReasoningStructured outputVisionWeb search
Input modalities
ImageText
Supported API parameters
include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstemperaturetop_p
Only source-backed fields are filled
Release dateNot independently verified
Knowledge cutoffNot independently verified
Open weightsNot independently verified
OpenRouter catalog date2026-02-26
LLMPrice does not infer a release date, knowledge cutoff, or open-weight status from a model name, Hugging Face link, or pricing route.
| Endpoint / route | Model ID | Input | Cached | Output | Context | Source |
|---|---|---|---|---|---|---|
| OpenRouterStandard | google/gemini-3.1-flash-image-preview | $0.5 | — | $3 | 66K | OpenRouter API ↗ |
Tracking from today forward
No verified price changes have been recorded since tracking began on Aug 26, 2026. Today’s catalog is the baseline; LLMPrice does not invent or backfill older prices.
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