ChatGPT Explained in 5 Minutes

By Umesh Prabhu · 6 min read · Last updated 11 May 2026

Five minutes. That is all you need to understand what ChatGPT actually is, who made it, what it costs in India, and what you can do with it today. No technical talk.

What is ChatGPT?

ChatGPT is a chat-style AI assistant. You type a question or instruction in plain English (or Hindi, Marathi, etc.) and it writes a useful answer in seconds. It can draft letters, summarise documents, plan trips, explain confusing topics, translate and brainstorm. It is the most widely used AI tool in the world, with over 700 million weekly users in 2026.

Who made it?

ChatGPT is made by OpenAI, a company based in San Francisco. It launched in November 2022 and went from zero to 100 million users in two months — the fastest-growing product in technology history. The current model in 2026 is far more capable than the original launch version.

How does it work, in one paragraph?

ChatGPT was trained on a huge amount of text from books, websites, articles and conversations. From all that data it learned the patterns of how humans use language. When you ask it something, it predicts the next word, then the next, then the next — billions of times per minute — to produce a coherent answer. It is not "thinking" in the human sense. But the result is good enough to feel like a conversation with a well-read assistant.

What does it cost in India?

• Free version: Excellent quality. No credit card. Works in all major Indian languages. Unlimited use within fair limits.
• ChatGPT Plus: Around ₹1700 per month. Adds the latest model, image generation, faster speed, voice mode and longer memory.
• ChatGPT Team: Around ₹2500 per user per month. For small teams. Adds shared workspace.

For most Indians, the free version is enough for the first three to six months.

Five things ChatGPT is excellent at

1. Writing. Letters, emails, complaints, RTIs, condolence messages, festival greetings.
2. Summarising. 30-page insurance documents into one paragraph; long PDFs into bullet points.
3. Translating. English to Hindi, Marathi, Tamil, Bengali — and back — at near-native quality.
4. Planning. Trip itineraries, weekly menus, project schedules, study plans.
5. Explaining. Medical reports, legal terms, technical news, English slang — in plain language.

Three things ChatGPT is poor at

1. Live information. Today's stock prices, scores, election results — use Google instead.
2. Specific personal data. Your bank balance, your court case status, your local officer's name — it does not know.
3. Making decisions. Medical, legal, financial choices need a real professional. ChatGPT prepares you, not decide for you.

How to access it

Two ways. On any browser visit chat.openai.com. Or install the official ChatGPT app from the App Store or Play Store — the publisher must say "OpenAI". Beware of clones with similar names. Both web and app work with Indian mobile numbers and Gmail accounts.

Voice mode

On the mobile app, tap the small headphone icon. Now you can speak in English, Hindi or Marathi and ChatGPT will reply by voice. This single feature has made ChatGPT accessible to millions of Indian seniors who cannot type quickly.

Is it safe?

Mostly yes. Three rules: never share Aadhaar, OTPs or passwords; never paste full medical or financial records without removing identifiers; assume what you type can be seen by OpenAI for service-improvement purposes. Beyond that, ChatGPT cannot break your phone, steal information you have not given it, or infect anything.

One prompt to try right now

Open ChatGPT and type:

"In 200 words, summarise what ChatGPT is and what an Indian retired professional can do with it this week."

Read the answer. Notice the quality. Notice the speed. That is ChatGPT in five minutes — and the start of a new daily habit.

Frequently asked questions