How to get the most out of Nano Banana 2 for image generation
AINano Banana 2, also called Gemini 3.1 Flash Image, adds visual grounding with Google Search, 512px resolutions, and extreme aspect ratios of 1:8 and 1:4.
Why it matters: The guide compares Nano Banana 1, 2, and Pro with concrete routing advice, which helps developers decide which model to default to and how to control cost.



