The AI TillComparisons · AI assistants
Comparison
ChatGPT vs Gemini (Google AI plans)
A general AI assistant for drafting emails, quotes, policies and posts, summarising documents and answering questions. Google's AI assistant, in its own app and built into Gmail, Docs and other Google apps on paid plans.
| ChatGPT | Gemini (Google AI plans) | |
|---|---|---|
| Price | Free plan available. Paid plans (Go, Plus, Business, Enterprise) are priced per user per month; see the pricing page for current amounts. | Free: $0 with a Google Account. Google AI Plus: $4.99 a month. Google AI Pro: $19.99 a month. Ultra from $99.99 a month. |
| Free plan | Yes. Unlimited everyday text chats, subject to abuse safeguards. Web search, file and image uploads, data analysis, image creation and 500 MB Library storage, each with its own usage limits. Ads may appear on the free plan in some countries. | Yes. Everyday help in the Gemini app with a Google Account, with lower usage limits than the paid plans. |
| Best for | Day-to-day drafting: customer replies, quotes, job adverts, social posts and summaries. | Businesses already on Google Workspace or Gmail who want AI inside the tools they use. |
| Watch out for | Check everything before it goes to a customer; it can state wrong facts confidently. Keep customer personal data out. | Usage limits are described as multiples of the free plan, not fixed numbers. Our check showed US-dollar prices; the provider may show pounds to UK visitors. |
| UK notes | Works in the UK. Ask for British English and UK context (VAT, HMRC) in your prompt. | Available in the UK. Our check showed US-dollar prices; the provider may show pounds to UK visitors. |
| Made by | OpenAI | |
| Checked | 2026-10-14 | 2026-10-14 |
Our verdict
There's no clear winner on price and plans: choose by fit. ChatGPT suits day-to-day drafting: customer replies, quotes, job adverts, social posts and summaries. Gemini (Google AI plans) suits businesses already on Google Workspace or Gmail who want AI inside the tools they use.
UK price difference
Gemini (Google AI plans)'s cheapest paid plan is $4.99 (Google AI Plus, per month). ChatGPT doesn't publish a comparable entry price, so ask for a quote or check its pricing page. Check on the provider page whether VAT is included before you buy.
Who should pick which?
- Choose ChatGPT for: day-to-day drafting: customer replies, quotes, job adverts, social posts and summaries.
- Choose Gemini (Google AI plans) for: businesses already on Google Workspace or Gmail who want AI inside the tools they use.
Both have a free plan, so the simplest test is to try each on a real job for a week. Prices change, so check the provider's page before buying.
Other ai assistants to consider
Claude
An AI assistant that is good with long documents, careful writing and summaries.
Microsoft 365 Copilot
AI built into Word, Excel, Outlook and Teams for businesses on Microsoft 365.
Perplexity
An AI search tool that answers questions with links to the sources it used.
Full details
ChatGPT tool page · Gemini (Google AI plans) tool page · How we check prices
Sources
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