What AI model powers Nano Banana — is it GPT, Gemini, or something else?

Nano Banana (both version 2 and Pro) is powered by Google Gemini, not GPT or any OpenAI technology. This gives it a distinct visual style that excels at photorealistic portraits, detailed product photography, and artistic content. It is not based on Stable Diffusion either — it is a hosted, managed model running via the Gemini backbone on PicX Studio's infrastructure.

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