- Grok is built into X. It searches the web and live posts on X, so it is strongest on what is happening right now.
- ChatGPT is the everyday worker. It sits inside Excel, Word, PowerPoint and Google Sheets, and it can run a task on a schedule.
- For a quick question they are close. Both are free to start, so try the one that matches your job.
The one real difference
Ask both the same thing and they start in the same place: the web, and any file you give them.
Then they split. xAI says Grok searches “the web and X live”. OpenAI’s plan table lists add-ins for the office apps most people already work in.
Which one for which job?
| The job | Open | Why |
|---|---|---|
| What people are saying about something today | Grok | It searches the web and X live |
| News that broke in the last hour | Grok | Live posts on X are part of its search |
| A short video from a text prompt | Grok | Its page lists text to video, up to 15 seconds |
| Work inside Excel, Word, PowerPoint or Google Sheets | ChatGPT | It lists add-ins for all four |
| A task that runs again every week | ChatGPT | Scheduled tasks, on Go and above |
| Studying a subject step by step | ChatGPT | Study mode is on every plan |
| An image | Either | Both make images in the chat |
| Talking out loud instead of typing | Either | Both have voice |
| A quick everyday question | Either | Whichever is already open |
From xAI’s Grok page and OpenAI’s plans page, read 13 November 2026. What to notice: Grok wins the jobs about today. ChatGPT wins the jobs about documents.
Pick one in three questions
Where Claude fits
Claude is the third option, and it is the one I use most. It is made by Anthropic.
Where Grok is about right now and ChatGPT is about everyday tasks, Claude is the one I hand long writing and the work inside my own files.
Claude runs things in my business: files, notes, writing, everything behind the scenes. ChatGPT does design.
They share one set of notes about my business, so neither starts from zero.
More on that pair: Claude vs ChatGPT. And if cost is the question: is Claude free?
Grok, ChatGPT and Claude side by side
| Grok | ChatGPT | Claude | |
|---|---|---|---|
| Made by | xAI | OpenAI | Anthropic |
| Free version | Yes | Yes | Yes |
| Web and phone apps | Yes | Yes | Yes |
| Searches the web | Yes | Yes | Yes |
| Remembers past chats | Yes | Limited on Free | Yes |
| Where else it lives | Inside the X app | Add-ins for Excel, Word, PowerPoint and Google Sheets | Chrome and Microsoft 365, on paid plans |
| Paid plans | Plus, Premium, Super, Ultra | Go, Plus, Pro | Pro, Max, Ultra |
| Your chats used for training | Can be, on X. You can switch it off | You can opt out | You can opt out |
Each column is from the maker’s own pages, read 13 November 2026: xAI, Grok plans and X Help; OpenAI; Anthropic. This compares what each maker lists. I did not run a speed or quality test. On a phone, swipe the table sideways to see Claude.
Try both in ten minutes
What to notice: step one favours Grok and step two favours ChatGPT. Which step looks like your week?
Quick answers
Is Grok better than ChatGPT?
Not across the board. Grok is the better pick when you need what is being said on X right now.
ChatGPT is the better pick for everyday work in documents and spreadsheets. For a quick question they are close.
What is the main difference between Grok and ChatGPT?
Where they look and where they live. Grok searches live posts on X as well as the web, and it is built into the X app.
ChatGPT has add-ins for Excel, Word, PowerPoint and Google Sheets, and it can run tasks on a schedule.
Is Grok free?
Yes, to start. xAI says Grok is “free to try on the web and in the apps”. Paid plans raise the limits.
Prices change and xAI runs offers, so check its plans page for today’s price.
Is ChatGPT free?
Yes. The Free plan is $0. Go is $8 a month, Plus is $20 a month and Pro starts at $100 a month.
Those are US prices from OpenAI’s plans page on 13 November 2026. OpenAI says the Go plan may include ads.
Do I need an X account to use Grok?
No. xAI says you can sign in with an X account or an email account. Grok is also inside the X app if you already use it.
Does Grok use my chats to train its AI?
It can. X says your public posts and your chats with Grok on X may be used for training.
You can switch that off in your X settings, under Privacy and safety. ChatGPT and Claude also let you opt out.
Should I use Grok, ChatGPT or Claude?
Use Grok for what is happening now. Use ChatGPT for everyday tasks in documents and sheets.
I use Claude for long writing in my voice and for work inside my own files. Start with one and use it daily before you pay for a second.
Next: Claude vs ChatGPT, is Claude free?, and what an LLM is.
AI Foundations starts here: give AI a clear picture of your business in a form you can reuse, so you stop explaining from zero.
Background: xAI: Grok · Grok plans · X Help Center: About Grok · OpenAI: ChatGPT plans and pricing · Anthropic: Claude plans and pricing. Checked 13 November 2026.