ChatGPT examples: 282 real use cases with prompts

Get homework broken into small steps for a teen with ADHD and dyslexia with ChatGPT

Elly Walsh's teenage daughter has ADHD and dyslexia, and the family had been worried about the daughter falling behind. Instead of banning ChatGPT for homework, Walsh had them type a prompt asking it to break the work down step by step for how their brain works. It split the work into short steps with clear explanations, one thing at a time, and Walsh says their daughter sat calm and focused, working through it slowly instead of having another meltdown.

Avoid the wrong travel insurance for a student abroad with ChatGPT

The poster's son, a Canadian studying in the U.S., was travelling overseas, and the poster almost bought travel insurance out of habit. ChatGPT pointed out the key issue: for this cover, residency mattered more than citizenship. They compared options and chose IMG Patriot International.

Fix a 2002 furnace from a scanned paper manual with ChatGPT

The previous owners had left the 25-page paper manual for the poster's 2002 heating system. The poster scanned it with a phone app, uploaded the PDF to ChatGPT, worked through a diagnosis with it and says they fixed the furnace themselves.

Write a step-therapy appeal that got a denied medication approved with ChatGPT

After an insurer denied their medication, even after the doctor's peer-to-peer review, an X user who posts as Don't Fear AI used ChatGPT to write a patient appeal. They say ChatGPT analysed clinical trials and found that the drug the insurer wanted them to try first was less effective than the prescribed one for their condition. Under their state's step-therapy law, they could not be made to fail on it first. The appeal cited their medical history, the state law and the clinical evidence, and the user says the medication was approved.

Win two UnitedHealthcare coverage fights over about three months with ChatGPT

Austin Oehlerking says they used ChatGPT 5.1, with Gemini for some confirmations, to fight UnitedHealthcare twice in one year, for prescription coverage (Wegovy) and for durable medical equipment (a CPAP machine), after coverage was denied or refused several times. It took nearly three months. They say the AI helped decode policy language, draft evidence-based appeals, set out next steps and supply firm rebuttal wording; they won coverage both times.

Stop a mechanic fitting the wrong-polarity car battery from one photo with ChatGPT

When a mechanic arrived with a new battery for the poster's family car, the poster photographed the battery code and asked ChatGPT. It flagged that the battery was left-hand polarity while the Tata Punch needs right-hand, said new terminals would be needed for that reason, listed risks such as cables not reaching, sparks and warranty claims being refused, and recommended a DIN44R right-hand battery. The poster told the mechanic to bring the correct one, and the mechanic agreed to.

Work out a reverse-sear timeline for two prime rib roasts for 25 guests with ChatGPT

Hosting Friendsgiving for 25, the writer of the AI For Busy Parents newsletter couldn't find recipes for two roasts totalling 14 lb. They gave ChatGPT the weights, the reverse-sear temperatures and the 6 p.m. sit-down time, and in about two minutes got a timeline working backwards, from bringing the roasts to room temperature to pulling them at 120°F, a 500°F crust stage of 8–10 minutes and a final rest. The writer says they felt far more confident, though still a little nervous.

Get a toilet filling and flushing properly again with ChatGPT

With ChatGPT's help, the poster raised the water level using the fill valve and found that the hose had come off the overflow tube, then reconnected it. The poster says ChatGPT helped them fix the toilet.

Link a cat's fits to a tick-medicine ingredient and get to an emergency vet with ChatGPT

Natasha Raina's rescue cat, Miguel, started trembling and having fits after a tick treatment, and the vet couldn't find the cause that day. At 11 p.m. Raina described the symptoms to ChatGPT, which said some cats react to an ingredient in tick medication and to check the product. The ingredient was there; ChatGPT suggested bathing the cat and going to the emergency vet straight away. At midnight the vet confirmed poisoning and said acting fast had saved Miguel. Raina stresses it didn't replace the vet.

Set phone-free family hours and a way to reconnect with a teen with ChatGPT

Janine Clements, a working parent of two teens, uses ChatGPT as a sounding board for parenting. Asked for ways to reconnect with their 14-year-old, who was spending a lot of time in their room, it suggested listening more than talking, showing interest and collaborating rather than dictating; Clements started a monthly one-on-one lunch. After several exchanges about getting the family off their phones, it produced a printable set of house rules, including phones in a basket from 6 to 8 p.m.

Plan a romantic, off-the-beaten-path Italy trip when you're too burned out to plan with ChatGPT

Burned out by work and a London heatwave, Santiago Barraza Lopez and their partner handed the planning to ChatGPT with one prompt and three rules: affordable, romantic, away from the tourist crowds. Its picks, all tied to a cheap flight into Salerno, were Salerno's old town, the fishing village of Cetara and Atrani in the shadow of Amalfi. Barraza Lopez says letting go of the planning brought calm and connection, and they came home feeling recalibrated.

Turn four pages of history homework into a study guide, quiz and flashcards with ChatGPT

The poster uploaded four pages of their daughter's completed history homework to ChatGPT's study feature. It made a study guide, then offered a 10-question test, on which the daughter scored nine out of ten, and then flashcards, which the poster printed and the daughter copied onto real cards. It was all done in Spanish, ahead of a Friday test.

Plan a themed baby shower menu for 30 guests on $150 with ChatGPT

Planning a jungle-themed couple's baby shower for a best friend, Celia Quillian used ChatGPT for the menu, games and shopping ideas. A detailed prompt asking for light bites for about 30 guests within $150 produced affordable options such as a veggie platter (arranged as a lion's face) and a 'Monkey Munch' trail mix. A newlywed-style question game for the parents-to-be was one of the most memorable moments of the day.

Fix check-engine lights on three vehicles by asking ChatGPT and Grok what forums say about the codes

The poster reads codes with a scanner, then runs them through Google, ChatGPT and Grok, asking for the most likely causes based on online forums and reviews, and works through each likely fix with YouTube. They say the top-ranked fix has been right each time, and that they've fixed check-engine lights on three vehicles this way in two months: a Toyota 4.7 and Ford 6.0 and 7.3 engines.

Catch a wrong multiplication answer from ChatGPT while checking homework

Helping their son with homework, the poster had ChatGPT (GPT-5) do a simple multiplication problem. They couldn't reproduce its answer, checked with a calculator, and found ChatGPT was wrong.

Find off-the-radar stops along a 5,600 km road trip with ChatGPT o3

Planning a week-long road trip from Chicago to San Francisco via Alabama, Mississippi and Louisiana, the poster gave ChatGPT o3 a rough route, the things they wanted to see and questions in XML format, then refined the daily plans and switched part of the route. Asking 'is there anything to see between [x] and [y]' surfaced places they'd never heard of, including the Space and Rocket Center in Huntsville, Dauphin Island and its car ferry, and Saguaro and Guadalupe Mountains national parks, which they count among the best parts of the trip.

Get the lay of the land for a trip in half an hour and book a rental the same night with ChatGPT (partial)

Business Insider's Kelsey Vlamis usually spends hours reading about a destination before booking. For a Door County, Wisconsin trip, Vlamis asked ChatGPT which attractions people call overrated and which are worth the crowds, for timing tips, varied sample itineraries and which town suits someone who likes good food, nature, vintage shops and fewer crowds. In about half an hour Vlamis felt confident enough to book a waterside rental that same night. ChatGPT also recommended at least two restaurants that had closed years earlier.

Get a shortlist of in-network therapists who cover two specialties with ChatGPT

Tiffany Bishop struggled to find a therapist who could help with two distinct areas, since most specialised in one or the other. Bishop gave ChatGPT a detailed prompt with their location (Washington State), preferences (within 20 minutes or virtual), insurance provider and a short summary of what they needed. It returned four suggestions, each with a summary, how well they matched and links to their profiles. All four met the logistics; the first had deep experience in both areas and became Bishop's new therapist.

Turn school and sports schedules into importable calendar invites with ChatGPT

Emily Steinberg uploaded their children's school-year calendar to ChatGPT, had it list the events in a table first to check it got them right, then asked for a downloadable .ics file of calendar invitations and imported it. Steinberg repeated this for sports teams and after-school activities, says it saved at least an hour that season, and shared the file with other parents so they could load the events too.

Make a prioritised before-and-after moving checklist and share it as a spreadsheet with ChatGPT and Gemini

Lifehacker Japan's editor-in-chief Misa Maruyama, planning a May move within Shibuya, asked ChatGPT for a checklist of council paperwork and personal tasks before and after the move, ordered by urgency, with checkboxes and suited to someone who can only prepare evenings and weekends. Maruyama asked for a second list of personal tasks, then for both tables in a printable format, and pasted the result into a notes app. Trying the same in Gemini, they could export the table straight to Google Sheets to share tasks with household members, though the links didn't carry over.

Question four of 24 charges on a vet urgent-care estimate with ChatGPT and save $600

At a veterinary urgent care clinic, a Rundown community member called Jeff photographed the two-page itemized list of 24 proposed charges, added what the vet had said, and asked ChatGPT which charges were very likely unnecessary. It flagged four with limited value. When Jeff crossed them off, the vet agreed two offered no benefit and explained why the other two should stay; Jeff kept those two and says the process saved $600.

Organize parents' Medicare options and a checklist with ChatGPT, then catch a missing medication

Helping their parents review Medicare coverage for 2027, Matthew Guldin gathered details on coverage, prescriptions and doctors and used ChatGPT to organize it, build a checklist, explain enrollment requirements and flag areas to research. It pulled together information spread across many sites and raised questions Guldin hadn't considered, but comparing its answers with official Medicare enrollment information showed several mistakes and omissions, including leaving out one of their father's important medications when evaluating Part D drug coverage.

Have ChatGPT double-check a draft tax return against source documents before filing

Facing a draft 2025 tax return saying they owed $117,360 more, a poster asked ChatGPT (the Astra model) to do a secondary review, tying every number to source documents in their email and files. It ran for 90 minutes and produced a 15-page report saying they were due a $191,173 refund; they say their accountant reviewed it line by line and agreed. They add that the AI couldn't have done the return from scratch and they still need their accountant.

Plan a Hong Kong trip with Gemini, Grok and ChatGPT (some addresses were made up)

A traveller planned a Hong Kong trip mainly with Gemini, using Grok and ChatGPT as extras, to organise locations, build itineraries, make packing lists and turn store addresses into Google Maps links. The traveller says routes were logical and personalised, but the AIs sometimes produced convincing addresses that didn't exist, and got names, opening hours or whether shops were still open wrong. Next time they'd verify every important detail on maps and official sites.