Gemini 3.1 Flash Image (Preview)

gemini Reasoning Attachments Structured Output

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...

Providers 2

Released Feb 26, 2026

Input Modalities text, image, pdf

Output Modalities text, image

Available Providers (2)

Provider	Model ID	Input Cost	Output Cost	Context	Max Output	Docs
LLM Gateway	`gemini-3.1-flash-image-preview`	$0.25/MTok	$1.50/MTok	65.5K	65.5K
Google	`gemini-3.1-flash-image-preview`	$0.25/MTok	$60.00/MTok	131.1K	32.8K

Capabilities

Reasoning

Tool Calling

Attachments

Open Weights

Structured Output