ChatGPT, Copilot, Gemini or Claude?
The right AI for your small business.
A jargon-free comparison of the four most popular AI tools for small business owners. Discover which one fits how you work — and how to use AI for email, admin and marketing.
Detailed comparison
Strengths, weaknesses and the bottom line for each tool.
ChatGPT
Versatile writing, brainstorming and customer-facing content
Free plan available; Plus from £16/month
- Best-in-class natural writing tone
- Great for blog posts, emails and social captions
- Huge range of plugins and integrations
- Easy to use on any device via browser or app
- •Can drift into generic answers without good prompts
- •No direct access to your Microsoft or Google documents
- •Knowledge cut-off on free plan
Microsoft Copilot
Microsoft 365 users who live in Outlook, Word, Excel and Teams
Free web version; Copilot Pro from £15/month; Microsoft 365 integration from £24/month
- Built into Word, Outlook, Excel, PowerPoint and Teams
- Can draft emails and summarise long threads
- Pulls data from your documents and spreadsheets
- Strong for businesses already using Microsoft 365
- •Less useful if you don't use Microsoft 365
- •Can be slower and less creative than ChatGPT
- •Premium features require a business subscription
Google Gemini
Google Workspace users and research-heavy tasks
Free plan available; Gemini Advanced from £18/month with Google One AI
- Deep integration with Gmail, Docs, Sheets and Drive
- Strong at summarising research and web pages
- Can process large amounts of text and files
- Useful for Google-heavy small businesses
- •Writing style can feel more formal than ChatGPT
- •Fewer third-party integrations
- •Gemini Advanced tied to Google One billing
Claude
Long-form writing, careful analysis and nuanced content
Free plan available; Claude Pro from £18/month
- Excellent at long documents and detailed reports
- Strong reasoning and careful analysis
- Great for nuanced, professional writing
- Handles large amounts of text and files well
- •No live web browsing on all plans
- •Fewer integrations than ChatGPT
- •Slightly slower than some competitors for short tasks
How to use AI for small business
Three everyday tasks, and which tool fits each one best.
Email drafting
All four tools can draft professional emails, but the best choice depends on where you already work.
- ChatGPT: Best for polished, friendly sales and support emails.
- Copilot: Best if you write emails inside Outlook and want them linked to your calendar.
- Gemini: Best if you live in Gmail and want quick replies drafted from thread context.
- Claude: Best for longer, more thoughtful emails and complex explanations.
Administrative automation
AI can summarise meeting notes, create task lists and turn rough notes into structured documents.
- ChatGPT: Turn meeting notes into action items, job descriptions and process docs.
- Copilot: Summarise Teams meetings and generate follow-up emails automatically.
- Gemini: Pull insights from Google Docs and Sheets to build reports quickly.
- Claude: Best for turning messy notes into well-structured reports and briefs.
Marketing content creation
From blog posts to social media, AI can speed up marketing without losing your brand voice.
- ChatGPT: Best for blogs, newsletters, website copy and ad creative.
- Copilot: Useful for PowerPoint decks and formal proposal writing.
- Gemini: Strong for research-backed content and SEO briefs.
- Claude: Best for long-form guides, whitepapers and detailed case studies.
Still not sure which tool to choose?
The honest answer is that the "best" AI tool is the one you'll actually use. Most small businesses see the fastest results when they pick the tool that fits their existing apps — then learn a handful of prompts that make a real difference.
That's exactly what AI Buddy helps with. In a 50-minute, one-to-one session, we'll look at your business, your tools and your goals, then show you precisely how to put AI to work.
Book your AI Buddy session and get your AI plan sorted.
No jargon. No judgement. Just friendly, practical help picking and using the right AI tool for your business.
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