GPT Image 2.5
GPT Image 2.5
Gemini 3.1 Flash Image生成 - Nano banana2
Gemini image model

Gemini 3.1 Flash Image生成 - Nano banana2

Gemini 3.1 Flash Image preview、Nano banana2をブラウザで試し、プロンプトや参考画像からAI画像を作成できます。

Fixed model: Gemini 3.1 Flash Image

Nano banana2 image workbench

This workbench uses Gemini 3.1 Flash Image preview through APIMart. The homepage remains simple; this page gives model-aware users a direct Gemini path.

Fixed Gemini route

The workbench sends a locked Gemini 3.1 Flash Image preset instead of exposing arbitrary provider or model values.

Reference-image control

Upload PNG, JPG, or WebP references when product shape, identity, layout, or visual direction should stay stable.

Stored outputs

Generated images continue through the existing async workflow, credit handling, failure refunds, and app-owned storage.

Reference images

Quality

Aspect ratio

Output count

Gemini 3.1 Flash Image supports 1-4 output images per request on this page.

Your Gemini result appears here

Start with a prompt or add reference images. Completed images are saved through the existing GPT Image 2.5 workflow.

Preview

Generate with a fixed Gemini model path

This page is tuned for Gemini 3.1 Flash Image preview. The request uses the APIMart Gemini route behind the scenes, then stores finished images in GPT Image 2.5 so completed results stay available.

Model capabilities

What this Gemini image page supports

Fixed Gemini route

The workbench sends a locked Gemini 3.1 Flash Image preset instead of exposing arbitrary provider or model values.

Reference-image control

Upload PNG, JPG, or WebP references when product shape, identity, layout, or visual direction should stay stable.

Stored outputs

Generated images continue through the existing async workflow, credit handling, failure refunds, and app-owned storage.

Workflow

Use Nano banana2 in three steps

01

Write the image direction

Describe the subject, scene, style, lighting, composition, and where the image will be used.

02

Add references if needed

Use reference images for characters, products, interiors, packaging, or visual styles that need stronger control.

03

Generate and save

Run the Gemini preset, wait for the async task to finish, then download or continue from My Creations.

よくある質問

始める前の確認

Is Nano banana2 the same as Gemini 3.1 Flash Image?

This page uses Gemini 3.1 Flash Image preview and includes Nano banana2 wording so users searching for either name can reach the same fixed-model workflow.

Does this replace the GPT Image 2.5 homepage generator?

No. The homepage stays focused on the default GPT Image 2.5 flow. This page is a separate Gemini-specific entry for users who want that model.

Can I use reference images with Gemini 3.1 Flash Image?

Yes. The first version supports common reference-image uploads through the same storage and async generation pipeline used by the homepage generator.

Is this the Gemini API?

The page routes generation through APIMart's Gemini 3.1 Flash Image preview endpoint. It does not claim an Google partnership or endorsement.