Nano Banana 2 is more accurately known as Gemini 3.1 Flash Image—the previous Nano Banana models were based on the 3.0 branch. According to Google, the new release can deliver results similar to Nano Banana Pro but with the speed of the non-pro Flash variant. Google promises the new image generator will have more advanced world knowledge pulled from the Internet by the Gemini 3.1 LLM. This apparently gives it the necessary information to render objects wit