Nano Banana 2 Lite (officially referred to as Gemini 3.1 Flash-Lite Image) is a highly efficient generative image model developed by Google and released on June 30, 2026. Built specifically for high-volume, cost-sensitive, and latency-critical workloads, it serves as the speed-focused entry in Google's Nano Banana image generation family. The model is designed to support rapid visual exploration, enabling developer platforms, creative applications, and enterprises to scale image generation tasks affordably.
Instead of relying on slower, traditional multi-step diffusion pipelines, Nano Banana 2 Lite generates images natively. This architectural approach delivers end-to-end output in approximately four seconds, facilitating smooth conversational loops and tight editing iterations. It natively supports interleaved multimodal generation, allowing users to transition dynamically between text inputs and image modifications (such as text-to-image and image-plus-text-to-image workflows).
The model is optimized for 1K resolution (1024x1024px) outputs and features native support for a discrete set of 14 different aspect ratios. For content transparency and safety, all generated assets are natively integrated with Google's invisible SynthID digital watermarking, helping users easily verify and identify AI-generated content.