Nice job—I'm always a fan of 'bring your own key' (BYOK) approaches. I think there's a lot of potential in using LLMs as virtual copy editors.<p>I do a fair amount of writing and have actually put together several custom GPTs, each with varying degrees of freedom to rewrite the text.<p>The first one acts strictly as a professional editor—it's allowed to fix spelling errors, grammatical issues, word repetition, etc., but it has to preserve the original writing style.<p>I do a lot of dictation while I walk my husky, so when I get back home, I can run whisper, convert the audio to text, and throw it at the GPT. It cleans it up, structures it into paragraphs, etc. Between whisper/GPT, it saves me hours of busy work.<p>The other one is allowed to restructure the text, fix continuity errors, replace words to ensure a more professional tone, and improve the overall flow. This one is more reserved for public communique such as business related emails.