Nano Banana 2.1 (reapi.ai)

Nano Banana 2.1 is Google's latest Nano Banana image model, generally available since October 6, 2026. It generates and edits images at 1K, 2K or 4K with sharper text rendering, up to 14 reference images and optional Google Search grounding. On reAPI, Nano Banana 2.1 costs one flat price per image at every resolution.

The model is accessed via reAPI and offers a playground for trying prompts before calling the API. It provides a single image per request and includes thinking control options for output quality and layout.

Users can upload up to 14 reference images or provide public URLs, and Google Search grounding can be turned on or off. The model emphasizes editing that keeps subjects consistent across images, suitable for product catalogs and storyboards.

Nano Banana 2.1 supports a range of output formats and resolutions, and the pricing is structured as a flat per-image cost across 1K, 2K, and 4K. The API page describes how to create an API key, test prompts in the playground, and call the API endpoint to generate images.

Use cases

• Infographics, posters with text, product shots