Short answer: pick Gemini if your business already runs on Google Workspace (it’s bundled into plans from about S$18.80 per user a month), Claude if your work leans on long documents and careful drafting, and ChatGPT if you want the broadest all-rounder your staff probably already know. On business plans, all three vendors say they don’t train on your data by default — on the free and personal tiers, two of the three do unless you change a setting.
Using one is now the norm rather than the exception — in Singapore, 73.8% of workers report using AI tools at work — so the real question is which one fits your business, not whether to use one at all.
| Assistant | Business plan (as of July 2026) | Data handling on business plan | Standout strength |
|---|---|---|---|
| ChatGPT | Business, roughly US$25–30/user/month, minimum 2 seats | Not used for model training by default | Broadest feature set; most staff already know it |
| Claude | Team, US$25/user/month (US$20 billed annually), minimum 5 seats | No training on your content by default | Long documents, careful natural writing, coding |
| Gemini | Included in Google Workspace Business Standard, S$18.80/user/month | Stays within your organisation; not used to train models | Built into Gmail, Docs and Sheets; bundled pricing |
Sources: Claude pricing, Google Workspace pricing (Singapore) and an independent ChatGPT pricing guide (OpenAI’s own pricing page blocks automated checks), all checked July 2026.
The capability gap is smaller than the marketing suggests
On LMArena, a public leaderboard that ranks models by thousands of blind head-to-head votes, the top-scoring models from Anthropic, Google and OpenAI sat within 28 points of each other on a roughly 1,500-point scale as of 1 July 2026. In everyday business use — emails, summaries, first drafts, spreadsheets — that gap is barely noticeable.
Because raw capability is near-level, the decision comes down to three practical things: which ecosystem you already work in, what each plan costs, and how each vendor handles your data.
ChatGPT: the default all-rounder
ChatGPT remains the assistant most people have already used, which matters for adoption — there’s less training needed when half your team knows the tool. Individual plans run from free through Plus at US$20/month, with a ChatGPT Business tier at roughly US$25–30 per user per month (minimum two seats) and a custom-priced Enterprise tier, as of July 2026.
The data caveat: on free and personal plans, your conversations may be used to train OpenAI’s models unless you opt out in the data-control settings. Business and Enterprise workspaces exclude your data from training by default. If staff are pasting customer information into personal ChatGPT accounts, that’s a problem worth fixing this week.
Claude: long documents and careful writing
Claude’s reputation is for measured, natural prose and for handling long material — contracts, reports, meeting packs — without losing the thread. Pricing as of July 2026: Pro at US$17/month billed annually (US$20 monthly), and a Team plan at US$20 per user per month billed annually (US$25 monthly) for teams of 5 to 150 people.
On data, Anthropic is the most conservative of the three by default: consumer chats aren’t used for model training unless you switch on the “improve Claude” setting, and paid plans state no training on your content by default. For firms handling sensitive client material — law, accounting, healthcare — that default posture is worth noting.
Gemini: strongest if you live in Google Workspace
Gemini’s pitch to small businesses is less about the chatbot and more about the bundle. Gemini is built into Google Workspace plans — in Gmail on the S$9.40/user/month Starter plan, and across Gmail, Docs, Meet and more on Business Standard at S$18.80/user/month (standard prices as of July 2026; Google was offering 50% off the first three months). If you already pay for Workspace, your AI assistant may effectively cost nothing extra.
For personal use, the standalone Google AI Pro plan is S$28.99/month in Singapore as of July 2026. Mind the split on data handling, though: on consumer accounts, a subset of chats is reviewed by humans and used to improve Google’s models by default unless you turn off the Keep Activity setting. On Workspace business accounts the terms are different: Google states your submissions aren’t used to train models and aren’t reviewed by humans, and your content stays within your organisation.
The data-handling rule that matters more than the vendor
Across all three, the pattern is identical: business tiers protect your data by default; free and personal tiers mostly don’t. So the single most important decision isn’t ChatGPT versus Claude versus Gemini — it’s business account versus personal account. Put anything involving customer data, staff data or financials behind a business plan, and check the settings once. We cover the PDPA angle in is your business data safe with AI.
How to pick
- You run on Google Workspace — start with Gemini. It’s already in your Gmail and Docs, and possibly already paid for.
- You run on Microsoft 365 — look first at Microsoft 365 Copilot, from US$18/user/month billed annually as of July 2026, which sits inside Word, Excel and Outlook with the same no-training-by-default posture.
- Your work is long documents and drafting — contracts, reports, proposals — try Claude first.
- You want one general tool for a mixed team — ChatGPT Business is the safe default, with the gentlest learning curve.
Then test before you commit. All three have free tiers, so run the same three real tasks — a customer email, a document to summarise, a quote to draft — through two of them for a week and keep the one that fits how you work. Our guide to the best AI tools for small businesses has more candidates, and how much AI costs an SME covers budgeting.
The honest verdict
There is no single winner, but there is a right answer for each situation. A five-person agency on Workspace should take Gemini and spend nothing extra. A law or consulting practice drafting long documents all day should pay for Claude Team. A retail or services business that wants one familiar tool for everything should take ChatGPT Business. What’s rarely right is paying for two or three at once — pick one, roll it out properly (see getting your team to actually use AI), and revisit in six months, because prices and capabilities shift quickly.
Common questions
Do I need more than one?
Most small businesses are well served by a single assistant. Pick one, get good at it, and only add a second if a specific job clearly needs it.
Which is safest for business data?
On business plans, all three commit to not training on your data by default; on free and personal tiers, ChatGPT and Gemini use your chats to improve their models unless you opt out, while Claude requires an explicit opt-in. Whichever you choose, use the business tier for work — see is your business data safe with AI.
Can my team just use the free versions?
Fine for trials and generic tasks, risky for anything involving customer or company data, since free tiers offer the weakest data protections and no admin controls. Once the tool proves useful, a business plan at the per-user prices above is cheap insurance.
Want a recommendation based on the tools you already use? Tell us your setup and we’ll suggest the best fit — part of our AI for small businesses service. We don’t resell any of these vendors, so the advice is only ever about what fits you.