The AI TillComparisons · AI assistants
Comparison
ChatGPT vs Claude
A general AI assistant for drafting emails, quotes, policies and posts, summarising documents and answering questions. An AI assistant that is good with long documents, careful writing and summaries.
| ChatGPT | Claude | |
|---|---|---|
| Price | Free plan available. Paid plans (Go, Plus, Business, Enterprise) are priced per user per month; see the pricing page for current amounts. | Free plan: $0. Pro: $20 a month or $200 a year. Max: $100 or $200 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. Chat on web, desktop and mobile, web search, file creation, code, memory and Artifacts. Usage limits reset on a rolling five-hour window, with no fixed message count. |
| Best for | Day-to-day drafting: customer replies, quotes, job adverts, social posts and summaries. | Reading contracts, tenders and policies and turning them into plain-English summaries; longer written drafts. |
| Watch out for | Check everything before it goes to a customer; it can state wrong facts confidently. Keep customer personal data out. | Free usage can run out during a heavy session; it resets after five hours. |
| UK notes | Works in the UK. Ask for British English and UK context (VAT, HMRC) in your prompt. | Prices are in US dollars. |
| Made by | OpenAI | Anthropic |
| 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. Claude suits reading contracts, tenders and policies and turning them into plain-English summaries; longer written drafts.
UK price difference
Claude's cheapest paid plan is $20 (Pro, 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 Claude for: reading contracts, tenders and policies and turning them into plain-English summaries; longer written drafts.
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
Gemini (Google AI plans)
Google's AI assistant, in its own app and built into Gmail, Docs and other Google apps on paid plans.
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 · Claude tool page · How we check prices
Sources
Free daily email
One useful AI tool each weekday: what it costs, who it suits and a tip to try. Five minutes to read.
Unsubscribe any time. Privacy.