Use cases library · 100 cards

AI Use Cases: real ways people use AI, with prompts you can copy

100 short, real examples from X, Hacker News and the press, each with a ready-to-paste prompt and, where we have one, a link to our full guide.

Revise for an exam from your own notes with NotebookLM

Preparing for an engineering physics exam, one student uploaded lecture notes, PDFs and study material to NotebookLM. Because answers were grounded in his own sources, he could ask for explanations, chapter summaries and practice questions, and trace answers back to his notes.

Full guide →
Source: X @jemxnn

Practise travel phrases before a trip with ChatGPT voice

A WIRED writer practised Japanese with ChatGPT's voice mode for a month before Tokyo, role-playing ordering food and small talk. By week three key phrases began to stick, and asking for more detailed feedback stopped it praising his mistakes.

Full guide →
Source: WIRED

Get a daily language-learning story from Gemini

On Hacker News, one learner has Gemini write a daily story about something that happened on that date in history, using A2-level language, with a transliteration, vocabulary list and grammar tips, emailed to him around lunchtime.

Full guide →
Source: Hacker News

Create listening practice from mini stories with Claude

On Hacker News, a German learner who needs to improve their listening said they have Claude write mini stories on different topics, then use ElevenLabs to narrate them.

Full guide →
Source: Hacker News

Learn a language through the lyrics of songs you love

One learner's favourite use of ChatGPT's voice mode is learning German through a favourite song's lyrics, asking it to explain each word and correct his pronunciation.

Full guide →
Source: X @oskrgab

Practise speaking a language with ChatGPT’s voice mode

One learner uses ChatGPT's voice mode to practise Japanese: he picks a topic, has a conversation, and asks for more sophisticated vocabulary and idioms. He finds it works well at an advanced level.

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Identify birds from a photo with Gemini

One user asked Gemini to identify two birds in a photo. It said they were Asian glossy starlings, which looked right when he compared images online.

Talk through laptop problems with Gemini Live

One user leans on Gemini Live for computer jobs: after helping him upgrade his laptop, it helped fix a network driver problem, check all the drivers, run a disk check and move on to Windows' memory diagnostics.

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Check a suspicious text message with Grok

One user received a text she suspected was a scam and asked Grok to check it. Grok also explained how to forward the message to her mobile carrier to report it.

Help someone with poor eyesight read their post with ChatGPT’s camera

One user set his 89-year-old dad up with ChatGPT. When his dad struggled to read a letter, he showed him how to add the camera to a voice chat, and ChatGPT described the post, answered his questions and helped with next steps.

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Help a parent who’s not confident in English use AI by voice

One user set her mum, whose first language is Mandarin, up with ChatGPT's voice dictation. Her mum's first move was researching how to fill a crack in a pavement wall, settling a 20-year argument with her dad.

Write a firm letter to a landlord about unfixed repairs with ChatGPT

A New York tenant whose building's washer and dryer had been broken for over two years got a rent rise notice. She asked ChatGPT to act like a housing lawyer and draft a reply; it cited the local rent code, and the landlord fixed both machines that month.

Full guide →

Turn a loved one’s voice memos into a family archive with Claude

After his grandmother died, one user had Claude Code transcribe and organise the 411 voice memos she left (recipes, gossip, weather complaints) into a small site sorted by mood and date. His mum now uses it more than the photo album.

Plan furniture for a new home from the floor plan with ChatGPT

On Hacker News, one user moving house said they feed floor plans into ChatGPT for layout ideas, like having an interior designer. It isn't always accurate, but it's enough to get them started.

Full guide →
Source: Hacker News

Turn a messy chore list into an ordered cleaning plan with ChatGPT

Feeling overwhelmed before guests arrived, a Homes & Gardens writer gave ChatGPT her jumbled list of chores. It put them in a sensible order (tidy, declutter, dust, then vacuum, with sit-down tasks last) and explained why, which saved her time and energy.

Full guide →

Preview a picture on your wall before you hang it with Gemini

One user found you can give Gemini a photo of your living room and a photo of a painting and ask it to show the painting hanging on the wall.

Get honest style advice on a room from a photo with Claude

One user uploaded a photo of their living room and asked Claude for style advice. Its first suggestion was, more or less, to try putting their stuff away first, which they admitted was fair.

Source: X @groby

Design a garden bed on a budget with ChatGPT

Quoted $12,500 to landscape her front bed, a columnist gave ChatGPT photos, measurements, her growing zone and a $2,000 budget. Its seven-page planting plan was checked by a local nursery, and she finished the garden for about $2,000.

Full guide →
Source: USA Today

Get a second opinion on a sick plant from a photo

One gardener sent a single grapevine leaf photo to Grok without saying what plant it was. Grok recognised the vine, diagnosed powdery mildew and gave a treatment plan, while ChatGPT said the same plant looked healthy, which is a good reason to compare answers.

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Point Gemini’s camera at a home problem for step-by-step help

One homeowner uses Gemini's camera feature for repairs, saying it helped them reset their breaker panel, fix the sump pump and find the shut-off valves, like having a technician on a video call.

Full guide →
Source: X @JoJo_JoeN

Find the right replacement part instead of buying a new appliance

When his washing machine handle snapped and a new machine would cost £300 or more, one user had ChatGPT find the right replacement part for £20, along with instructions for fitting it.

Check for a simple fix before calling out a repair engineer

A 72-year-old mum, facing a three-day wait and a £180 call-out for her washing machine, asked ChatGPT what might be wrong. It suggested a solution and she fixed it herself: it was literally a button press.

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Troubleshoot broken home appliances with ChatGPT

One homeowner says he has saved thousands over two years by using ChatGPT to troubleshoot and repair appliances that usually need expensive call-outs: both garage doors, the fridge, the dishwasher and the washing machine.

Full guide →