Models/Google/Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Name: Nano Banana 2 (Gemini 3.1 Flash Image Preview) API access
Brand: Google

Google · Proprietary · Released Feb 26, 2026 · google/gemini-3.1-flash-image-preview

Best $0.50 in / $3.00 out via Google AI Studio

Compare Estimate cost

66K contextVisionReasoningStructured output

Available from 1 providerUSD / MTOK · PRICES 23 MINUTES AGO · SPEED 20 DAYS AGO

EST. MONTHLY COSTclick a row for detail · click headers to sort

PROVIDER	INPUT	OUTPUT	CACHE	CONTEXT	QUANT	TTFT	TPS	UPTIME
Google AI Studio	$0.50	$3.00	$0.05	66K	—	0.87s	220 tok/s	99.9%

TTFT/TPS: median (P50) over trailing 504h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · methodology v1.1 · measured 20 days ago

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Pricing variants · USD / MTok in / out

STANDARD

$0.50 / $3.00

per MTok in / out

CACHE READ $0.05WEB SEARCH $0.014 / search

About

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...

Specifications

Context window65,536

Max output58,982

Modalities inimage, text

Modalities outimage, text

LicenseProprietary

ReleasedFeb 26, 2026

TokenizerGemini

Nano Banana 2.1$1.50 / $7.50 Gemini 3.8 Flash$0.75 / $3.75 Gemini 3.7 Flash$0.75 / $3.75 Gemini 3.6 Flash$0.75 / $3.75

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Nano Banana 2 (Gemini 3.1 Flash Image Preview) price and speed badge

[![Nano Banana 2 (Gemini 3.1 Flash Image Preview)](https://modelindex.ai/badge/google/gemini-3.1-flash-image-preview)](https://modelindex.ai/models/google/gemini-3.1-flash-image-preview)

Sources

OpenRouter API23 minutes ago

AGGREGATOR

LiteLLM dataset23 minutes ago

AGGREGATOR

ModelIndex benchmarks20 days ago

MEASURED

Verified 23 minutes ago · list prices, not negotiated rates.