Microsoft Copilot vs Lumo

Microsoft Copilot9.2Visit Lumo7.8Visit

Higher score Microsoft Copilot #3 in AI Chatbots 9.2/10 Free plan Free plan✓ 6 of 6 features Visit site

vs

Lumo #15 in AI Chatbots 7.8/10 Free plan Free plan✓ 6 of 6 features Visit Lumo

• Microsoft Copilot fits best

  Microsoft 365 users and organizations

• Lumo fits best

  Private chat with Proton Drive files

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Side by side

Feature	Microsoft Copilot 9.2/10 Visit ↗	Lumo 7.8/10 Visit ↗
At a glance
Editor score	9.2	7.8
Ranking	#3 in AI Chatbots	#15 in AI Chatbots
Best for	Microsoft 365 users and organizations	Private chat with Proton Drive files
Pricing model	Free plan + paid	Free plan + paid
Starting price	$99.99/yr	—
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Desktop, Mobile	Cloud, Mobile
Platforms	Web, Windows, macOS, iOS, Android	Web, iOS, Android
Support	Docs	Docs
Integrations	11 integrations	1 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Microsoft Copilot 6/6 · Lumo 6/6
Web search	✓	✓
File uploads	✓	✓
Image generation	✓	✓
Mobile apps	✓	✓
App integrations	✓	✓
Team workspace	✓	✓
Our review
Pros	Combines chat, Bing search, file analysis, and image generation Works across Microsoft 365 apps, web, desktop, and mobile Business plan adds organizational grounding and centralized governance	Searches the web and cites sources in answers Analyzes uploaded documents and generates or edits images Encrypted Projects, Ghost mode, and Proton Drive integration
Cons	Advanced business features require the Microsoft 365 Copilot plan Higher-capability access varies by subscription and account context Microsoft 365 integrations may be more useful than non-Microsoft tools	Only Proton Drive is listed as an integration Free access limits Max usage, messages, history, and image generations The paid plan's price is not clearly stated
Our verdict	Microsoft Copilot is an AI chatbot and productivity assistant for individuals and organizations. It supports conversational answers, live web search through Bing, file uploads and document analysis, content drafting and rewriting,… Read the review →	Lumo is Proton’s AI chat assistant for people who want to ask questions, write, code, summarize documents, search the web, or generate and edit images. It is available on web, iOS, and Android, with features that also suit people… Read the review →

Strengths and trade-offs

• Microsoft Copilot — where it wins

  • Combines chat, Bing search, file analysis, and image generation
  • Works across Microsoft 365 apps, web, desktop, and mobile
  • Business plan adds organizational grounding and centralized governance

  Where it doesn't

  • Advanced business features require the Microsoft 365 Copilot plan
  • Higher-capability access varies by subscription and account context
  • Microsoft 365 integrations may be more useful than non-Microsoft tools

• Lumo — where it wins

  • Searches the web and cites sources in answers
  • Analyzes uploaded documents and generates or edits images
  • Encrypted Projects, Ghost mode, and Proton Drive integration

  Where it doesn't

  • Only Proton Drive is listed as an integration
  • Free access limits Max usage, messages, history, and image generations
  • The paid plan's price is not clearly stated

• Microsoft Copilot9.2/10 · Free plan

  A versatile AI assistant with strong Microsoft 365 integration and a free entry point.

  Visit siteFull verdict →
• Lumo7.8/10 · Free plan

  A privacy-oriented assistant for cited web search, document work, and encrypted Projects.

  Visit LumoFull verdict →