Nano Banana

"From there you can iterate with other tools by the way like I've talked about on the channel things like Nano Banana."

Attribution: Greg mentions having previously discussed this tool on his channel as an option for product iteration

"We created a playground for Nano Banana and I use that a lot. So I use it to make memes uh guilty is charged."

Attribution: Guillermo describes Nano Banana as a Vercel-built tool that he personally uses for image generation