Nano Banana 2.1 is an advanced AI image generator and editor developed by Google DeepMind, launched on October 6, 2026. It transforms plain-language prompts into high-quality images, including photos, illustrations, and product shots. The model is designed for ease of use, allowing users to create and edit images directly in their browser without any installation. With features like sharp text, consistent characters, and native 4K output, it caters to both casual users and professionals.