Category: AI Tool Comparisons

Claude vs ChatGPT is the comparison most people make once they’ve outgrown their first AI experiments. ChatGPT, from OpenAI, is the best-known AI assistant in the world. Claude, from Anthropic, has built a loyal following among writers, analysts and developers. Both have free versions, both have paid plans at similar prices, and both improve every few months.

So which is better for a small business? The honest answer is that each has clear strengths, and the right choice depends on the work you do most. This guide compares Claude and ChatGPT across the tasks that matter to small teams — writing, long documents, research, spreadsheets, coding, pricing and privacy — and ends with a practical way to decide.

Claude vs ChatGPT at a glance

	Claude	ChatGPT
Made by	Anthropic	OpenAI
Standout strengths	Natural writing, long documents, careful reasoning, coding and agent-style work	Versatility, image generation, voice, huge feature set and integrations
Free plan	Yes, with usage limits	Yes, with usage limits (may include ads)
Main individual paid plan	Pro (around $20/month, lower on annual billing)	Plus (around $20/month)
Heavy-user plans	Max tiers	Pro tiers
Team plans	Team and Enterprise	Business and Enterprise
Works with your files	Uploads, Projects, connectors	Uploads, Projects, connectors
Image generation	Not its focus	Built in

The short version: ChatGPT is the better all-rounder if you want one app that does everything, including images and voice. Claude is often the better choice for high-quality writing, working with long documents and contracts, and more complex multi-step work. Many businesses use both.

Is Claude better than ChatGPT?

It depends on the task. Based on published comparisons and widespread feedback from business users:

• Claude tends to win on writing that sounds natural and follows a detailed brief, analysing long reports and contracts, careful step-by-step reasoning, and coding.
• ChatGPT tends to win on breadth of features, creating images, voice conversations, its large library of custom GPTs, and everyday quick questions.

Both occasionally make confident mistakes, so neither should be trusted blindly with facts, figures or legal points.

Writing quality

For most small businesses, writing is the number one AI task: emails, proposals, website copy, policies and social posts.

Claude is widely praised for writing that sounds less like marketing copy and more like a thoughtful person. It follows tone instructions closely (“plain British English, no hype, short sentences”) and is good at editing your own drafts without flattening your voice.

ChatGPT is fast, punchy and excellent for variety — ten headline options, five ad angles, three email subject lines. Without good instructions it can drift into generic phrasing, but with examples of your style it produces strong copy.

Tip: whichever you use, paste in two or three examples of writing you like and ask it to match the style. See our guide on how to use ChatGPT effectively for prompt templates that work in both.

Long documents, contracts and reports

This is one of Claude’s strongest areas. You can upload long PDFs, tenders, policies or contracts and ask detailed questions: “List every clause about termination and price increases, with clause numbers.” Claude handles large amounts of text well and is good at quoting the source so you can check it. Our guide to using Claude in a small business covers this in detail.

ChatGPT also handles uploaded documents well and is perfectly capable for most everyday files. For very long or dense documents, many users find Claude more thorough.

Neither replaces a solicitor or accountant — use them to prepare, not to sign off.

Research and current information

Both assistants can search the web and cite sources, and both offer “deep research” modes that read many sources and produce structured reports. ChatGPT’s deep research is mature and popular; Claude’s research features are strong and improving. For quick, cited answers, a dedicated tool like Perplexity is also worth considering.

Always click through to check citations before relying on a statistic or regulation.

Spreadsheets and data analysis

Both can analyse uploaded spreadsheets, run calculations, find trends and create charts. ChatGPT has long been popular for this, with a smooth workflow for downloading cleaned files and charts. Claude is also capable, and Anthropic has added features for working with Excel and other office files. For important numbers — VAT, payroll, margins — double-check results in the original spreadsheet.

Coding and technical work

If you or your developer write code, this is a major differentiator. Claude has a strong reputation for coding, and Claude Code — Anthropic’s coding tool — is widely used by developers to work across whole projects. ChatGPT also offers capable coding help and its own coding agent, Codex. For website tweaks, spreadsheet formulas and small automations, both are more than enough.

Images, voice and extras

ChatGPT includes image generation and editing, a natural voice mode, and a large ecosystem of custom GPTs. If you want one app for creating marketing images as well as text, ChatGPT is the easier choice.

Claude focuses on text, analysis and doing work. It can create documents, spreadsheets, presentations and interactive visuals, and its desktop app includes Cowork, which can carry out multi-step tasks with your files. It isn’t designed for generating photos or artwork — pair it with Canva or Midjourney for visuals.

Claude Pro vs ChatGPT Plus: pricing compared

Both companies price their main individual plans at around $20 per month (UK prices are shown in pounds at checkout, including VAT). Here’s how the plan ranges line up:

Need	Claude	ChatGPT
Try it free	Free	Free (may include ads)
Budget upgrade	—	Go
Standard individual	Pro (around $20/month, about $17/month billed annually)	Plus (around $20/month)
Heavy daily use	Max (from around $100/month)	Pro (premium pricing)
Small teams	Team (per member)	Business (per user)
Large organisations	Enterprise	Enterprise

Claude Pro vs ChatGPT Plus comes down to features rather than price. Plus gives you image generation, voice and the GPT store; Pro gives you Claude’s writing and document strengths, plus tools like Claude Code and Cowork. Usage limits on both reset over time, and very heavy users on either may hit them.

Prices change regularly — check the official pricing pages before buying, and see our ChatGPT pricing UK guide for more detail.

Privacy and data use

For UK businesses handling customer data, check these points for whichever plan you choose:

• Business and team plans from both companies exclude your business data from model training by default and add admin controls.
• Consumer plans (Free, Plus, Pro) have settings that control whether conversations can be used to improve models — check them in your account’s privacy or data controls.
• Never paste card numbers, passwords, health information or unnecessary customer personal data into any AI tool.
• Write a simple AI use policy so staff know which tools are approved and what they can share.

Which should your business choose?

Use this quick guide:

• Mostly writing, proposals, policies and long documents? Start with Claude.
• Mostly marketing content, images, quick questions and brainstorming? Start with ChatGPT.
• You write code or manage a website? Try Claude first, then compare.
• You want voice conversations on the go? ChatGPT.
• Team of 3+ people? Compare Claude Team and ChatGPT Business, and check which integrates better with your email and file storage.
• Using Microsoft 365? Also read our Copilot vs ChatGPT comparison.

A one-week test you can run

1. Choose five real tasks from your business: a tricky customer email, a proposal section, a contract review, a spreadsheet question and a social media post.
2. Give both assistants exactly the same prompt and the same files.
3. Rate each answer out of 10 for accuracy, tone and editing time.
4. Repeat any task where results were close, adding more context.
5. Pay for the tool that wins the tasks you do most often. Keep the other on its free plan for second opinions.

Frequently asked questions

Is Claude better than ChatGPT?

Claude is often better for natural writing, long documents and coding; ChatGPT is often better for breadth of features, images and voice. Test both on your own tasks.

Is Claude free?

Yes. Claude has a free plan with usage limits. Paid plans add more usage, more capable models and features like Projects, Claude Code and Cowork.

Is Claude better than ChatGPT for coding?

Many developers prefer Claude for coding, especially with Claude Code. ChatGPT is also strong. For small website or spreadsheet tasks, either works well.

Can I use Claude and ChatGPT together?

Yes. A common approach is using one for drafting and the other to review: “Here’s a draft — what’s unclear or missing?” Different models catch different problems.

Which is more accurate?

Both can make mistakes. Accuracy depends on the task, the information you provide, and whether web search is used. Always verify important facts.

Claude vs Gemini vs ChatGPT — what about Gemini?

Google’s Gemini is a strong option if your business runs on Google Workspace, because it works inside Gmail, Docs and Sheets. ChatGPT and Claude are more popular as standalone assistants.

The bottom line

In the Claude vs ChatGPT debate, there’s no universal winner. ChatGPT is the most complete all-in-one assistant, with images, voice and a huge feature set. Claude is a favourite for thoughtful writing, long documents and complex work. For a small business, the smartest move is to test both on real tasks, pay for the one that saves you the most time, and keep the other in reserve.

Related reading

• How Small Businesses Use Claude
• How to Use ChatGPT Effectively in a Small Business
• Copilot vs ChatGPT: Which Is Better for Small Businesses?
• AI in Law: Contract Review and Research

*Features and prices change often. We last checked official Anthropic and OpenAI information in September 2026.*

Copilot vs ChatGPT is one of the most common questions small business owners ask when they start using AI at work. Both are AI assistants that can write, summarise, analyse and answer questions. Both have free versions. And Microsoft’s Copilot has used OpenAI’s technology, which is why many people ask whether Copilot is simply ChatGPT with a different name.

It isn’t. The two products are built for different jobs, sold in different ways, and treat your business data differently. This guide explains the real difference between Copilot and ChatGPT, compares features and pricing, and gives you a simple way to decide which one — or which combination — suits your business.

Quick answer: Copilot vs ChatGPT in one table

	Microsoft Copilot	ChatGPT
Made by	Microsoft	OpenAI
Best for	Businesses that live in Word, Excel, Outlook and Teams	Flexible, general-purpose AI work across any tools
Free version	Yes (Copilot app and Copilot Chat)	Yes
Business plan	Microsoft 365 Copilot add-on per user	ChatGPT Business per user
Works inside Office apps	Yes, with a paid Microsoft 365 Copilot licence	Through connectors and copy-paste, not natively
Can read your company files	Yes, via Microsoft 365 permissions (paid business plan)	Via uploads, Projects and connectors
Biggest strength	Grounded in your emails, documents and meetings	Versatility, strong writing and a fast pace of new features

Short version: if your business runs on Microsoft 365 and you want AI inside the apps you already use, Copilot usually makes more sense. If you want the most flexible standalone assistant for writing, research, analysis and brainstorming, ChatGPT is usually the stronger choice. Many small teams end up using both.

Is Copilot the same as ChatGPT?

No. This is the most common misunderstanding. Microsoft is a major investor in OpenAI and has used OpenAI models to power parts of Copilot, so the two can feel similar in conversation. But the products differ in three important ways:

1. Where they live. ChatGPT is a standalone app and website. Copilot is woven into Windows, Edge, Bing and — on business plans — Word, Excel, PowerPoint, Outlook and Teams.
2. What they know about you. On a paid business plan, Microsoft 365 Copilot can search your organisation’s emails, files, chats and calendar (only what each user already has permission to see). ChatGPT only knows what you upload, connect or type.
3. How Microsoft tunes them. Microsoft adds its own search grounding, safety layers, business data protection and interface. Answers to the same question can differ noticeably.

So when someone asks “is Copilot the same as ChatGPT?”, the fair answer is: related technology, different products.

The different versions of Copilot (this confuses everyone)

“Copilot” is a brand covering several products. For a small business, these are the ones that matter:

• Copilot (free app and web): a general chat assistant similar to free ChatGPT, available in Windows, Edge and on mobile.
• Copilot in Microsoft 365 Personal and Family: Microsoft has added Copilot features to its consumer Microsoft 365 subscriptions, with usage limits. Useful for sole traders using personal plans.
• Microsoft 365 Copilot Chat: a secure, web-grounded chat included for business users with an eligible Microsoft 365 work account, with enterprise data protection.
• Microsoft 365 Copilot (paid business add-on): the full version that works inside Word, Excel, PowerPoint, Outlook and Teams and can use your organisation’s data. Microsoft lists enterprise pricing at around $30 per user per month (billed annually), and has introduced a lower-priced Copilot Business option for smaller organisations of up to 300 users. Check Microsoft’s pricing page for current UK prices.

Microsoft has also retired its older Copilot Pro consumer subscription in favour of bundling Copilot into Microsoft 365 consumer plans, so older articles may be out of date.

The versions of ChatGPT

• Free: everyday chat, with limits on advanced features such as file uploads, image generation and deep research. May include ads.
• Go: a low-cost tier with higher limits than Free.
• Plus: the standard paid plan for individuals, with access to more capable models and features such as Projects, custom GPTs and deep research.
• Pro: a premium plan for very heavy users.
• Business (formerly Team) and Enterprise: workspace plans with admin controls, and business data excluded from model training by default.

For current prices in pounds, see our guide to ChatGPT pricing in the UK.

Copilot vs ChatGPT: feature-by-feature comparison

Writing emails and documents

Both write well. ChatGPT is generally more flexible with tone and creative tasks, and handles long back-and-forth editing sessions smoothly. Copilot’s advantage is convenience: in Outlook it can draft a reply using the thread you’re looking at, and in Word it can create a first draft from your existing files. If you write mainly inside Office, Copilot saves steps. If you write for many channels — web copy, social posts, adverts — ChatGPT is usually quicker to work with.

Working with spreadsheets

Copilot in Excel can explain formulas, suggest charts, highlight trends and help build formulas inside your workbook. ChatGPT can analyse uploaded spreadsheets, run calculations, and produce charts and cleaned files for download. For quick analysis of an exported CSV, ChatGPT is excellent; for ongoing work in a live Excel file your team shares, Copilot is more natural.

Meetings and email overload

This is where paid Microsoft 365 Copilot is hardest to beat. It can summarise Teams meetings, list action items, catch you up on missed discussions and summarise long email threads. ChatGPT can summarise a transcript you give it, but it doesn’t sit inside your meetings and inbox by default.

Research and web answers

Both can search the web and cite sources. ChatGPT’s deep research feature produces long, structured reports from many sources. Copilot’s web answers draw on Bing search. For in-depth research, many users prefer ChatGPT or a research-focused tool like Perplexity.

Images and creative work

Both can generate images. ChatGPT’s image generation is widely used for marketing visuals and edits; Copilot also offers image creation through Microsoft Designer tools. For branded marketing designs, pair either with Canva.

Custom assistants and automation

ChatGPT lets you build custom GPTs and Projects with your own instructions and files — for example, a “customer reply assistant” loaded with your policies. Microsoft offers Copilot agents and Copilot Studio for building assistants connected to business systems, which is powerful but more technical. For no-code workflows between apps, see our Zapier AI guide.

Pricing compared

Prices change often and vary by country and billing period, so treat these as a guide and check the official pages before buying:

Need	Copilot option	ChatGPT option
Free everyday AI chat	Copilot app / Copilot Chat	ChatGPT Free
Low-cost personal upgrade	Microsoft 365 Personal/Family with Copilot	ChatGPT Go or Plus
Team with admin controls	Microsoft 365 Copilot (Business or Enterprise add-on)	ChatGPT Business

The key cost difference: Microsoft 365 Copilot is an add-on — you need a qualifying Microsoft 365 business plan first, then pay for Copilot on top. ChatGPT Business is standalone. If you already pay for Microsoft 365 Business, adding Copilot for a few key staff can be cost-effective; if you don’t use Microsoft 365, ChatGPT is usually cheaper and simpler.

Privacy and data protection

For UK businesses, this matters as much as features.

• Microsoft 365 Copilot (business): operates within your Microsoft 365 service boundary and respects existing file permissions. Microsoft states that prompts and responses in its enterprise products are not used to train its foundation models. The flip side: if your file permissions are messy, Copilot may surface documents people technically had access to but never knew existed. Tidy up sharing settings before rolling it out.
• ChatGPT Business and Enterprise: business data is not used to train models by default, with admin controls and data retention settings.
• Free consumer versions of both: have weaker controls. Don’t paste customer personal data, financial details or confidential documents into free consumer tools.

Whichever you choose, update your privacy policy if customer data is processed, and write a short internal AI use policy so staff know what can and can’t be shared.

Is Copilot better than ChatGPT?

It depends on the job:

• Choose Copilot if your team spends its day in Outlook, Teams, Word and Excel; you want AI that understands your emails, files and meetings; and you already pay for Microsoft 365 Business.
• Choose ChatGPT if you want the most versatile assistant for writing, marketing, research and analysis; you use Google Workspace or a mix of tools; or you want to start cheaply with one or two users.
• Use both if you want Copilot for inbox and meeting productivity and ChatGPT for content, research and creative work. Many small businesses find this combination the most practical.

Real small-business scenarios

A five-person accountancy practice on Microsoft 365: Copilot for summarising client email threads and Teams calls, and drafting letters in Word from templates. ChatGPT Plus for one partner who writes the newsletter and marketing content.

An online shop using Shopify and Google Workspace: ChatGPT for product descriptions, customer replies and campaign ideas. Copilot adds little unless the team moves to Microsoft 365.

A trades business with a busy owner: the free Copilot app on a Windows laptop or ChatGPT on a phone for quotes, emails and job descriptions. Upgrade only when limits get in the way.

How to test both in one week

1. Pick five real tasks: a customer email reply, a quote, a spreadsheet question, a meeting summary and a social post.
2. Run each task in free Copilot and free ChatGPT with the same prompt.
3. Score each answer for accuracy, tone and how much editing it needed.
4. Note which tool fits your existing apps with the least friction.
5. Upgrade only the tool that won on the tasks you do most often.

For better prompts, see how to use ChatGPT effectively — the same prompt techniques work in Copilot.

Frequently asked questions

What is the difference between Copilot and ChatGPT?

ChatGPT is OpenAI’s standalone assistant. Copilot is Microsoft’s family of assistants built into Windows, Edge and Microsoft 365, which on business plans can use your organisation’s emails, files and meetings. They share some underlying technology but are different products.

Is Copilot free?

Yes, there is a free Copilot app and web version, and business users with eligible Microsoft 365 accounts get Copilot Chat. The full Microsoft 365 Copilot that works inside Office apps with your company data is a paid add-on.

Is Copilot better than ChatGPT for Excel?

For working directly inside a live Excel workbook, yes — Copilot is built into Excel. For analysing an exported file quickly, ChatGPT is equally strong and often more flexible.

Can I use ChatGPT inside Microsoft Word?

Not natively in the same way as Copilot. You can copy and paste between them, use ChatGPT’s own document features, or connect tools through automation services.

Which is safer for business data?

Both offer business plans with data protection and no training on your business data by default. Free consumer versions offer less control. Always check the current terms and settings for the plan you use.

Copilot vs ChatGPT vs Gemini — which should I pick?

If you use Microsoft 365, start with Copilot. If you use Google Workspace, Gemini is the natural fit. If you want a standalone all-rounder, choose ChatGPT. See also our comparison of Claude vs ChatGPT.

The bottom line

The Copilot vs ChatGPT decision comes down to where your work happens. Copilot is strongest as an assistant inside Microsoft 365, working with your emails, files and meetings. ChatGPT is strongest as a flexible, standalone assistant for writing, research and creative work. Test both on your real tasks for a week, then pay only for the one that saves you the most time.

Related reading

• Claude vs ChatGPT: Which AI Is Better for Small Businesses?
• How to Use ChatGPT Effectively in a Small Business
• ChatGPT Pricing UK: Free vs Go vs Plus vs Pro vs Business
• AI Customer Service: Beyond the Frustrating Chatbot

*Prices and features change frequently. We last checked official Microsoft and OpenAI information in September 2026.*