Guides & comparisons: ChatGPT
ChatGPT vs Claude vs Gemini web search citations compared
How ChatGPT, Claude and Gemini search the web, where citations appear and how to check them.
How to delete your ChatGPT, Claude or Gemini account and data
Steps to delete ChatGPT and Claude accounts, why Gemini works differently and what happens to your data.
ChatGPT custom instructions: what to write and where to set them
Where to set ChatGPT custom instructions, what to write in them and how they differ from Memory.
ChatGPT vs Claude vs Gemini voice mode: what each one can do
Where each voice mode runs, what it can see, how much your plan allows and what happens to the audio.
ChatGPT parental controls: how to link and set up a teen account
Link a teen ChatGPT account, set quiet hours and limits, and learn what parents can and cannot see.
How to export ChatGPT chat history, plus Claude and Gemini chats
Download your ChatGPT, Claude and Gemini chats: where each export lives, how long it takes and when links expire.
How to share a ChatGPT conversation, Claude chat or Gemini chat safely
Shared AI chat links can be opened by anyone who has them. What each service includes and how to delete old links.
Can you use AI images commercially? What the terms say
Who owns AI-generated images, and what OpenAI, Midjourney, Google and Canva let you do with them commercially.
ChatGPT vs Claude vs Gemini file upload limits: size, count, types
How big a file ChatGPT, Claude and Gemini accept, how many at once, and what each reads in PDFs and spreadsheets.
How to fact-check AI answers from ChatGPT, Claude and Gemini
Get the sources, open them and find the line: how to check what ChatGPT, Claude and Gemini tell you.
ChatGPT vs Claude vs Gemini memory: what each one remembers
What ChatGPT, Claude and Gemini carry between chats, where to see it and how to make each one forget.
How to write AI prompts that get a usable answer
Four parts that make a chatbot prompt work: the goal, the context, the format and the limits.
ChatGPT Projects vs Claude Projects vs Gemini Gems: which to use
Projects keep chats and files together; Gems save instructions. Compare plans, sharing and sources.
AI chatbot privacy settings: training and history
ChatGPT, Claude and Gemini expose different controls for model training, saved activity and temporary chats.
ChatGPT vs Claude vs Gemini: how to choose
Match the assistant to your documents, research sources and the output you need to use.
ChatGPT adds interactive maths and science lessons
ChatGPT is adding interactive explanations for more than 70 maths and science topics.