Nano Banana 2 Preview

Gemini 3.1 Flash Image Preview.

131K context·$0.50 in·$3.00 out·Feb 2026 release·Vision, Reasoning, Tools / functions, Web search, Image output

Available on

Google Gemini OpenRouter

Providers

Where Nano Banana 2 Preview runs in Big-AGI, with each service's own model ID and USD-per-1M-token rates. The summary above prefers the creator's claim; rates below are each service's own.

ServiceModel IDContextInputOutput

Google Gemini

creator

models/gemini-3.1-flash-image-preview

131K

$0.50

$3.00

OpenRouter

google/gemini-3.1-flash-image-preview

66K

$0.50

$3.00

Specs as reported by each service · usage over the last 2 days · refreshed hourly

Run Nano Banana 2 Preview in Big-AGI.

Connect your own key on any of the services above, at their rates, no markup - and run it side by side with every other model.

Launch Big-AGI

BIG-AGI

Product

Features Models Controls What's new BEAM Technology

Resources

Documentation Discord GitHub

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