Is Claude better than ChatGPT? For heavy written work, yes. For images and quick questions, ChatGPT.

Claude vs ChatGPT for business: which is better?

For most UK small businesses doing written and analytical work, Claude is the better daily tool. It reads long documents whole, holds your voice closely, and its Projects and skills turn a job you repeat every week into something you set up once. ChatGPT is stronger on images, has the larger range of third-party add-ons, and suits a team of many light users asking quick questions.

Read next: Claude vs Copilot · AI tools compared · The Claude or ChatGPT almanack (PDF)

ChatGPT covers the broad, everyday ground. Claude goes deeper on heavy work.

ChatGPT’s advantage is breadth. Image creation is built in, most of your staff have already tried it, and more third-party tools are built for it than for anything else. For a team where lots of people ask lots of small questions, that familiarity counts.

Claude’s advantage is depth. Long contracts, tenders and board packs. Writing that goes out under your name. Analysis that has to hold together across several steps. If a job would take a capable person an afternoon of real concentration, that is Claude’s territory.

And the platform is the small decision. It decides maybe a tenth of whether AI works for you. Whether anyone sets it up around how your business runs, and trains the people using it, decides the rest.

What carries across, and what you rebuild

Your chat history and your custom GPTs don’t move across as they are. What carries across is the thinking inside them: the instructions you wrote, the examples you gave, the tone you settled on. That is the part worth keeping, and it is exactly what a Claude Project or skill holds.

So the real work of switching is deciding which three or four jobs matter most, then setting those up properly once. That is the job the Founders plugin does with you.

Whichever you choose, write down what leaving would look like. Custom GPTs and Claude Projects both build switching cost, and that is far easier to decide on day one than in 18 months.

Three real jobs, not a demo

Take three pieces of work your team did last month, ones that cost real hours, and run each through both tools with the same brief. The differences are obvious on real material and almost invisible on a demo task.

Then check your data rules before anything else. If client or personal data can’t leave the UK, where it is processed depends on the plan and the contract, not on the app your team logs into. Sort that before you roll anything out.

And whichever you pick, the tool is not what decides whether this works. Programmes stall on people and process, and that is the part training fixes.

Is Claude better than ChatGPT?

For written and analytical work, yes: long documents, writing in your own voice, multi-step analysis and jobs you repeat every week. ChatGPT is better for images, has the bigger range of third-party add-ons, and suits a team of many light users asking quick questions. Plenty of businesses run both.

Is Claude cheaper than ChatGPT?

At the everyday team tier the seat prices sit close together, so the seat fee rarely decides it. The real cost is usage, and the time it takes to make the tool stick. Run a month’s pilot with five to ten people, log what they actually use, and model two years from that. Plans change often, so check current prices on each provider’s site before you buy.

I've built custom GPTs. Do I lose them if I switch to Claude?

They don’t move across as they are, but the instructions, examples and tone inside them do. Those become Claude Projects and skills. The Founders plugin walks a business of one or two people through setting up its most important jobs that way, one question at a time.

Can we use Claude and ChatGPT together?

Yes, and plenty of businesses do: Claude for the heavy written and analytical work, ChatGPT for images and quick questions. Give each one a clear job, and write down which data can go into which, so nobody has to guess.

You are a Claude Partner. Why would you recommend ChatGPT?

Because we take no commission on licences of any kind, so the recommendation carries no vendor incentive. If ChatGPT is the right answer for your business, we will say so.

Which is safer for UK business data, Claude or ChatGPT?

Neither, by default. It depends on the plan, the contract and where the data is processed, and all three change. Check them before client or personal data goes in, and give your team a one-page usage policy. Our guide to AI data storage and UK GDPR covers what to check.