Nano Banana—officially known as Gemini 2.5 Flash Image—is a generative artificial intelligence model designed for advanced image generation and editing. Developed by Google DeepMind, a subsidiary of Google, Nano Banana is part of the Gemini family of large language models.Launched in August 2025 as a feature within the Gemini chatbot and other Google products, Nano Banana quickly gained widespread attention online. Its popularity surged due to its highly photorealistic outputs, especially the now-famous “3D figurine” images, which went viral across social media platforms.