Have ChatGPT find a faster version of a hand-tuned assembly routine, with the cycle math
Dave Plummer, the former Microsoft engineer behind Windows Task Manager, asked ChatGPT to optimize a memcpy they wrote for the Motorola 68000.
ChatGPT use cases
16 real, sourced examples of what people do with ChatGPT, newest first.
Latest 10
- Have ChatGPT find a faster version of a hand-tuned assembly routine, with the cycle math
- Turn a $25 airline voucher into $4,760.36 in EU261 compensation
- Get a £60 parking charge dropped and win £462.15 in costs
- Appeal a wrongly issued £60 council parking fine with a ChatGPT letter
- Win $1,180 in small claims after ChatGPT spotted an illegal security deposit
- Dispute a $1,201.80 dental bill with ChatGPT-drafted insurance appeals
- Overturn an insurance denial for a heart test with a Deep Research appeal
- Prepare for your child's IEP meeting with plain-English explanations and questions
- Land a new job in two months after a career break with AI-tailored résumés and mock interviews
All 17
Turn a $25 airline voucher into $4,760.36 in EU261 compensation
Panos Ipeirotis's Norse Atlantic flight from Oslo was delayed overnight, and the airline offered a $25 card.
Get a £60 parking charge dropped and win £462.15 in costs
Loren Cole fed Parkingeye's letters into ChatGPT, which pointed out gaps such as a floor plan sent instead of photos of the signs.
Appeal a wrongly issued £60 council parking fine with a ChatGPT letter
Student Millie Houlton had a resident permit but got a £60 fine anyway. Houlton gave ChatGPT the details and the fine reference, sent the letter it wrote to York…
Win $1,180 in small claims after ChatGPT spotted an illegal security deposit
When his landlord kept about $1,000 of the deposit, Chris Maloney ran his lease through ChatGPT. It flagged that New York caps deposits at one month's rent, and he…
Dispute a $1,201.80 dental bill with ChatGPT-drafted insurance appeals
Jamie Phillis used ChatGPT to read a dental bill.
Overturn an insurance denial for a heart test with a Deep Research appeal
When her husband's insurer called a nuclear stress test experimental and denied it, NJ Shelsby used ChatGPT Deep Research to find five peer-reviewed studies, then…
Prepare for your child's IEP meeting with plain-English explanations and questions
Amanda Caswell felt lost in her daughter's IEP process. She asked ChatGPT to explain IEPs, decode terms like FAPE and LRE, check whether the goals were measurable…
Land a new job in two months after a career break with AI-tailored résumés and mock interviews
Returning to job hunting after 10 years, former lawyer Santiago Barraza Lopez used ChatGPT to clarify what role he wanted, rewrite his résumé for each target job, draft…
Plan a week of meals and a grocery list for two that came in just under $150
Emily Wise gives ChatGPT a diet, dislikes, snack habits and budget, asks for the meal plan and recipes in separate steps, and gets a grocery list sorted by category…
Get your rusty Spanish flowing again with ChatGPT voice conversations
Jeff Kaufman had let high-school Spanish fade. Using ChatGPT's voice mode, Kaufman spoke more Spanish in one week than in the previous fifteen years.
Run three restaurants' policies, pricing checks and complaint replies with ChatGPT
Ted and Tami Taylor, who own three quick-service restaurants in New Mexico, use ChatGPT to draft required health procedures, reply to customer complaints and write…
Pay off $12,078.93 of credit card debt with a 30-day ChatGPT money challenge
Realtor Jennifer Allan asked ChatGPT for one money task a day to attack $23,000 of credit card debt. Some ideas were quirky, like auctioning a photo of a watermelon…
Get a final-sale clothing exchange approved with a polite ChatGPT email
In store, Aritzia staff refused to exchange a hoodie and sweatpants that didn't fit because they were final sale. TikToker @shescutesy emailed customer service…
Fix a washing machine drainage fault with ChatGPT voice and photos instead of buying a new one
With a new washer already picked out online, Ewan MacLeod showed ChatGPT the error light and model label. It walked MacLeod through opening the drain filter…
Get your internet bill cut by having ChatGPT negotiate in the provider's live chat
After a door-to-door rep offered fiber for $50 a month, AJ Stuyvenberg had ChatGPT negotiate their Verizon bill through Verizon's own live chat. After a little over…