lex
Lex
Writing editor with built-in AI
DSGVO: partialEU-AI-Act: minimalFree tier
AI tool comparison
Lex vs. Microsoft Copilot
A practical comparison of Lex and Microsoft Copilot across pricing, GDPR, EU AI Act risk, and workflow fit.
microsoft
Microsoft Copilot
Microsoft's AI assistant for web and Microsoft 365
DSGVO: conformEU-AI-Act: limitedFree tier
Side-by-side comparison
| Factor | Lex | Microsoft Copilot |
|---|---|---|
| Pricing | Free tier | Free tier |
| GDPR | partial | conform |
| EU AI Act | minimal | limited |
| Data residency | us | eu |
| Use cases | Text, Create content, Brainstorm | Text, Image, Data / Tables, Create content |
| Data quality | — | — |
| Updated | 6/15/2026 | 6/15/2026 |
Choose Lex when
Google-Docs-like surface for long-form writing with inline AI commands, brainstorming, research help.
Choose Microsoft Copilot when
Web chat (free) plus Copilot for Microsoft 365 in Word, Excel, Outlook, Teams, PowerPoint. Built on GPT models with Bing search.
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