ChatGPT vs Copilot vs Claude, for business.
Three good tools with three different strengths. We train teams on all three and build with all three, so this comparison comes from daily use on real work, not from marketing pages.
Which tool should your business pick?
Most businesses end up with more than one. The real question is which tool for which job: Copilot where the work already lives in Microsoft 365, Claude for long and careful documents, ChatGPT for breadth and quick team tools. Here is how they compare on the jobs that come up most.
| The job | ChatGPT | Copilot | Claude |
|---|---|---|---|
| Everyday drafting and ideas | Excellent all-rounder, fast and flexible. | Good inside Microsoft apps, flatter outside them. | Strong, with a careful, natural writing style. |
| Working inside Word, Excel, Outlook and Teams | Separate app. You move work in and out. | Built in. This is its home ground. | Separate app. You move work in and out. |
| Long documents, tenders and contracts | Capable, but can lose the thread on long jobs. | Fine for summaries, limited on long careful work. | The strongest of the three by a clear margin. |
| Building repeatable team tools | Custom GPTs are easy to build and share. | Possible, but needs more IT setup. | Projects keep team instructions and context in one place. |
| Data handling for business | Business plans keep your data out of model training. | Covered by your existing Microsoft 365 agreement. | Business terms keep your data out of model training. |
When should you pick ChatGPT?
When you want one versatile tool across many kinds of work: drafting, ideas, analysis and quick answers. Custom GPTs let a team turn a good prompt into a shared tool anyone can use, which is the fastest route we know from one person's trick to a team habit.
It is also the tool most of your staff have already tried at home, which makes adoption easier. The trap is letting company work run through free personal accounts; move people onto a business plan before the habit sets in.
Our ChatGPT training is hands-on: each person builds a working Custom GPT on their own job before they leave.
When should you pick Microsoft Copilot?
When your company runs on Microsoft 365 and you want AI inside the tools your team already opens every morning. Copilot drafts in Word, summarises in Teams, tidies spreadsheets in Excel and manages the inbox in Outlook, with nothing copied between windows.
Its advantage is context: it can see your documents, mail and meetings in a way the other two cannot without deliberate setup. Its weakness is that results outside the Microsoft apps are flatter, and licences sit unused when nobody shows people how to work it into their day.
Our Copilot training runs inside Word, Excel, Outlook and Teams, on your team's own documents.
When should you pick Claude?
When the work is long, careful documents: tenders, contracts, reports and policy. Claude holds more of a document in its head at once and stays accurate deeper into it, which is why document-heavy teams tend to settle on it.
It also writes in a measured, natural style that needs less editing on formal work, and Projects keep your standards, templates and reference material in one place so the whole team works from the same setup.
Our Claude training is built for exactly these teams, run on your own live documents.
What would we do in your shoes?
Start from the work, not the tool. List the ten tasks that eat your team's week, then pick per task: a Microsoft-heavy office starts with Copilot, a document-heavy team adds Claude, and ChatGPT covers the breadth in between. Most businesses we work with land on two of the three.
We train teams on all three tools from Perth and run the same workshops live for teams across Australia, so the recommendation is never about which one we happen to sell.
Start from the work and the tool picks itself. The businesses that get stuck bought the licence first and went looking for a job to give it.
What about company data?
All three offer business terms under which your data is not used to train public models. The bigger risk in most companies is staff using free personal accounts for company work because nobody set up the business version. How we handle data on every build and workshop is on our security page.
Common questions
Can we use all three?
Yes, and plenty of businesses do. There is no penalty for mixing them: Copilot inside Microsoft 365, Claude for the document-heavy team, ChatGPT for breadth. Pick per job, not per brand.
Which is safest with company data?
On business terms, all three commit to keeping your data out of public model training. The bigger risk is free personal accounts, where those protections may not apply. Set up business accounts, write a one-page usage policy, and see our security page for how we handle data.
Which should a Microsoft 365 business pick?
Start with Copilot, because it works inside the tools your team uses all day. Then add Claude if you produce long documents like tenders and contracts, which is where Copilot runs out of depth.
Do we need training for these tools?
You can start without it, but licences on their own change very little. Training built on your team's real work is the difference between a tool people tried once and a tool that saves hours every week. That is what our AI training is for.
Updated 6 July 2026
Related
Still weighing up the three? Bring us the work instead.
Tell us what your team actually does all day and we will tell you which tool fits which job, in plain language, with no pitch.