Has anyone successfully "trained" (?) an LLM on an author's writing style?

e.g. take all blog posts, interviews (transcribe with Whisper) and tweets from Paul Graham and turn into an LLM?

https://x.com/daraladje https://x.com/zebulgar/status/1712487141484450235

customer support @supercast

trying to sound smart /doingnumbers

yeah i need to check in on dara but i imagine many did already after yesterday

Yeah Delphi built this as their product. Will be interesting to see how they develop further, specially now that GPT builder will allow anyone to clone a persona directly in ChatGPT