What is Nano Banana 2?

Nano Banana 2 is Google Gemini 3.1 Flash Image, a fast image generation and editing model with strong visual quality and practical creative controls.

Does Nano Banana 2 support text-to-image?

Yes. You can generate images directly from a prompt without uploading references.

Does Nano Banana 2 support image-to-image?

Yes. The Kie AI endpoint accepts image_input URLs plus a prompt for reference-guided editing and transformations.

How many reference images are supported?

This integration supports up to 14 input image URLs, matching the Kie AI Nano Banana 2 API documentation.

Which aspect ratios are available?

Supported ratios include auto, 1:1, 1:4, 1:8, 2:3, 3:2, 3:4, 4:1, 4:3, 4:5, 5:4, 8:1, 9:16, 16:9, and 21:9.

Which resolutions are available?

Nano Banana 2 supports 1K, 2K, and 4K output in this integration, with credit pricing based on the selected resolution.

What output formats are supported?

The Kie AI Nano Banana 2 endpoint supports PNG and JPG output formats.

What is Nano Banana 2 best for?

It is well suited for fast campaign creative, product visualization, reference-guided editing, consistent subject generation, infographics, and multi-format content production.

Nano Banana 2 – Gemini 3.1 Flash Image Generator and Editor

Flux2pro