Ask HN: What are the most joyful AI projects you've seen?

A lot of AI work I see is about automation, agents, productivity. Useful, but not exactly joyful.

What AI projects have you built, used, or seen that felt genuinely fun, playful, weird, beautiful, or surprising?

* Draw Fish: https://news.ycombinator.com/item?id=44719222 vibe-coded, but the author took a month to polish it.

* Gradient Horse: https://news.ycombinator.com/item?id=46955311 I'm not sure how much AI it was used for coding, but it's nice.

i built this with the help of claude.

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