Microsoft Copilot or Claude?
Two excellent AI assistants — but not playing the same game. One is built into your office suite, the other is a thinking partner. Here is which to pick, based on what you expect.
Microsoft Copilot
Microsoft · United StatesThe assistant built into your office suite and Windows.
Everyday office & Windows Free · or in Microsoft 365 (€10–22/mo)Claude
Anthropic · United StatesThe thinking partner: writing, reasoning, analysis and code.
Write, reason, analyse, code Free · Pro ~$20/mo · Max $100–200/mo| Criterion | Copilot | Claude |
|---|---|---|
| Maker | Microsoft (US) | Anthropic (US) |
| Best for | Word, Excel, PowerPoint, Outlook and Windows | Long-form writing, reasoning, analysis, code |
| Indicative price | Free; included in Microsoft 365 (Personal €10, Family €13, Premium €22/mo) | Free; Pro ~$20/mo; Max $100–200/mo |
| Office & Windows integration | Native: built into Microsoft 365 apps and Windows 11 | On top: Claude for Microsoft 365 add-in + Chrome extension |
| Writing & reasoning | Good, productivity- and document-oriented | Claimed strength: long text, nuance, reasoning |
| Image generation | Yes (Designer, Image Creator in Paint) | No — diagrams and charts (SVG) only |
| Voice & vision | Copilot Voice + Vision (guided screen sharing on Windows) | Voice mode (mobile beta, English) + image analysis |
| Training on your conversations | On by default, can be turned off; France is not among excluded countries | Your choice (offered at signup), can be declined; business accounts excluded |
| Data hosting | US company; data outside the EU | US company; data stored in the US |
| French | Yes | Yes (fluency claimed) |
| Apps | Web, Windows, iOS, Android, Edge, inside Microsoft 365 | Web, desktop, iOS, Android, M365 add-in, Chrome extension |
Image generation
Copilot generates images (Designer, Image Creator in Paint). Claude does not: it only creates diagrams and charts, and analyses images you show it. If you want to produce visuals, the edge clearly goes to Copilot.
Your data & training
At Microsoft, training on your conversations is on by default: you must turn it off (France is not among excluded countries). At Anthropic, the choice is offered at signup — if you decline, your chats are kept 30 days; business accounts are excluded by default. Two different approaches to consent.
Our verdict
Choose Copilot if…
- You live in Word, Excel, PowerPoint and Outlook
- You want AI already in Windows, nothing to install
- You need to generate images
- You already subscribe to Microsoft 365
Choose Claude if…
- You write a lot: articles, reports, arguments
- You want top-tier reasoning and nuance
- You analyse documents or learn a topic in depth
- You want to decide yourself how your data is used
Why not both? Many professionals use both: Copilot for everything Microsoft 365 and Windows, Claude for careful writing, analysis and code. The free tiers are enough to decide — run the same task on both before paying anything.
Learn them step by step
Frequently asked questions
Copilot or Claude: which one?
It depends on your use. Copilot shines where you already work — in Word, Excel, Outlook and Windows. Claude shines for careful writing, reasoning, document analysis and code. Neither is "better" in absolute terms: they target different needs.
Which protects my data best?
Both are US companies hosting your data outside Europe — neither offers European sovereignty for consumers. The difference is training: Copilot turns it on by default (you must opt out), while Claude asks you to choose at signup. Either way, never paste sensitive information into a public tool.
Can Claude create images?
No. Claude does not generate photos or illustrations: it only produces diagrams and charts (in SVG) and can analyse images you send it. To create visuals, Copilot is better suited (Designer, Image Creator in Paint).
Do I need to pay for either?
Not to start. Both have a free tier that is plenty to form an opinion. Copilot mostly becomes paid through a Microsoft 365 subscription (€10–22/mo) that adds it to the Office apps. Claude offers Pro (~$20/mo) for more usage and the most powerful models.
And for coding?
That is a different match. For developers, the comparison is rather Claude Code (Anthropic’s agent) vs GitHub Copilot: see our dedicated guide "AI that codes". This page compares everyday assistants, not developer tools.