Nano Banana is really good at iterating on images, as shown by the pancake skull example I borrowed from Max Woolf: https://simonwillison.net/2025/Nov/20/nano-b

Nano Banana is really good at iterating on images, as shown by the pancake skull example I borrowed from Max Woolf: https://simonwillison.net/2025/Nov/20/nano-banana-pro/#trying-out-some-detailed-instruction-image-prompts https://simonwillison.net/2025/Nov/20/nano-banana-pro/#tryin... I've tried iterating on slides with test on them a bit and it seems to be competent at that too.