Google · Released Jun 18, 2026

Nano Banana 2 (Gemini 3.1 Flash Image)

Gemini 3.1 Flash Image, 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 advanced...

ReasoningVision
Released
Jun 18 2026
Context window
131K 33K out
Input / 1M tokens
$0.50
Output / 1M tokens
$3.00

Where to run it

2 providers compared

Cheapest: Google AI Studio, Google at $0.50 / $3.00 per 1M input / output tokens — 9% less than the priciest option.

ProviderInputOutputContextMax outputUptimevs. best
Google AI Studiono tool calling $0.50 $3.00 66K59K100%24h Cheapest
Googleglobal · no tool calling $0.50 $3.00 131K33K100%24h Cheapest
Googleus · no tool calling $0.55 $3.30 131K33K100%24h +10%

Benchmarks

Benchmark scores

No benchmark scores yet — Epoch AI hasn't evaluated Nano Banana 2 (Gemini 3.1 Flash Image). Scores appear here automatically once it does.

Specs

Details

Model ID
google/gemini-3.1-flash-image
Developer
Google
Release date
Jun 18, 2026 ·
Context window
131,072 tokens
Max output
32,768 tokens
API price
$0.50 / $3.00 per 1M input / output tokens
Providers
2
Input types
image, text
Reasoning
Yes
Tool calling
No
Open weights
No
Free tier
No

Release date, prices and providers from OpenRouter's catalog; buying directly from a provider can cost a little differently. Uptime is the share of OpenRouter requests each provider served over the last day. Benchmark scores are the best result per benchmark from Epoch AI, licensed CC BY 4.0. Rank counts every model tracked here with a score.