Tier 0Verified 3 May 2026
ChatGPT
The most widely used AI chatbot.
Who it's for
Anyone who wants to try AI for the first time. If you have an email address, you can use it. Office workers use it for drafting emails. Students use it for study questions.
What you can do today in 60 seconds
- Open https://chatgpt.com in a new tab.
- Type: 'Write a polite email to my dentist asking to reschedule my appointment from Tuesday to Thursday.'
- Read the response. If it sounds too formal, add: 'Make it friendlier.'
How it actually works
ChatGPT is a large language model trained by OpenAI. It predicts the next word in a sequence based on everything you have told it in the conversation. It does not browse the live web on the free tier.
Pricing today
Free tier with GPT-4o-mini. Plus at $20/mo for GPT-4o and higher limits.