[elpocko]

Not "world's first" by a long shot.

Someone's made a python script in June 2024 to do it semi-automatically using SD 1.5: https://github.com/414design/4lph4bet_processor

[akovaski]

I'd like to add that tom7 used AI to generate an upperercase and lowerercase font in 2021. https://tom7.org/lowercase/

[gwern]

While we're at it: my own work 2 years ago in creating an entire workflow for turning Midjourney or DALL-E dropcaps into attractive, lightweight, easy-to-create dropcaps for web pages: https://gwern.net/dropcap We use it for the cat, Gene Wolfe, and holiday pages.