I've gotten a lot of value out of the details of how other people use LLMs, so I'm delighted that Gavin Leech created a collection of exactly such posts (link should go to the right section of the page but if you don't see it, scroll down). 

• https://kajsotala.fi/2025/01/things-i-have-been-using-llms-for/
• https://nicholas.carlini.com/writing/2024/how-i-use-ai.html
• https://www.lesswrong.com/posts/CYYBW8QCMK722GDpz/how-much-i-m-paying-for-ai-productivity-software-and-the
• https://www.avitalbalwit.com/post/how-i-use-claude
• https://andymasley.substack.com/p/how-i-use-ai
• https://benjamincongdon.me/blog/2025/02/02/How-I-Use-AI-Early-2025/
• https://www.jefftk.com/p/examples-of-how-i-use-llms
• https://simonwillison.net/series/using-llms/
• https://signull.substack.com/p/how-to-think-with-ai
• https://alicemaz.substack.com/p/how-i-use-chatgpt
• https://fredkozlowski.com/2024/08/29/youre-using-chatgpt-wrong/
• https://www.lesswrong.com/posts/WNd3Lima4qrQ3fJEN/how-i-force-llms-to-generate-correct-code
• https://www.tumblr.com/nostalgebraist/772798409412427776/even-setting-aside-the-need-to-do
• https://www.jointakeoff.com/
• This is more of a howto than a whatto. I wouldn’t use it for stats or pharma decisions as he does.
• https://www.lesswrong.com/posts/4mvphwx5pdsZLMmpY/recent-ai-model-progress-feels-mostly-like-bullshit

Some additions from me:

• I use NaturalReaders to read my own writing back to me, and create new audiobooks for walks or falling asleep (including from textbooks).
• Perplexity is good enough as a research assistant I'm more open to taking on medical lit reviews than I used to be.
• I used Auren, which is advertised as a thinking assistant and coach, to solve a musculoskeletal issue my physical therapist had whiffed on for weeks (referral code with free tokens, but only after your first payment).  
  • Note that Auren has some definite whispering earring vibes, and the privacy protections don't seem particularly strong, so think through your usage.

• I used Claude to design backstories for characters in a TTRPG/