Top use cases
Research with web search
Ask questions and get answers that use built-in web search.
Create images
Generate images from a written description.
Chat about Drive files
Chat about files linked from Proton Drive.
Proton Lumo FAQs
What is Proton Lumo?
Proton Lumo is a private AI chat assistant that keeps your chats encrypted so Proton cannot read them. Lumo is a privacy-focused AI chat assistant from Proton. Chats are stored with zero-access encryption.
Is Proton Lumo free?
Yes, Proton Lumo has a free plan: free plan with limited usage, no credit card needed. Paid pricing: Lumo Plus at $9.99/month (billed $119.88 every 12 months).
How much does Proton Lumo cost in India?
Proton Lumo pricing: Lumo Plus at $9.99/month (billed $119.88 every 12 months). Prices on the official site are in US dollars. Prices can change, so check proton.me for the latest pricing.
What is Proton Lumo best for?
Proton Lumo is best for privacy-minded users. People use it to research with web search, create images and chat about Drive files.
How to research with web search with Proton Lumo?
With Proton Lumo, you can ask questions and get answers that use built-in web search.
How to create images with Proton Lumo?
With Proton Lumo, you can generate images from a written description.
How to chat about Drive files with Proton Lumo?
With Proton Lumo, you can chat about files linked from Proton Drive.
What are the best Proton Lumo alternatives?
Popular alternatives in Chatbots & Assistants include Claude, Google Gemini, Microsoft Copilot and Mistral Vibe (formerly Le Chat). Each has its own free plan and price, so compare them on the tool pages.
Where can I sign up for Proton Lumo?
On its official website, proton.me. You can start on the free plan.
When were Proton Lumo's price and features last checked?
We checked them on the official site on 29 October 2026. Plans change often, so confirm the latest price on proton.me before you pay.