Proton Lumo Free TRY FREE

Proton

Try Proton Lumo free

Create an account and chat, with no credit card asked.

TRY FREEFreeStart on the free plan with no card
  • Start free, no credit card
  • Plus is $9.99/month billed yearly
  • 30-day money-back on Plus
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The trial and what comes after

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FreeStart on the free plan with no card—The free plan limits Max model usage, messages and chat history, and image generations, with 1 Project.

Lumo's free plan lets you open an account and start chatting at once, and it never asks for a payment method. That makes it an easy way to judge the assistant on your own questions.

Zero-access encryption is part of every conversation, free or paid. The limits fall on Max model usage, how many messages and how much chat history you keep, and image generations, with a single Project.

If most of your questions are quick everyday ones, free may be all you need. Long daily sessions, frequent image requests or several parallel Projects will reach the ceiling sooner.

Lumo Plus then raises Max usage, messages and image generations, and makes Projects and Custom Lumos unlimited. Paying yearly is the cheaper route per month, paying monthly is the flexible one, and either way the 30-day money-back guarantee applies.

See Proton Lumo in detailThe AI chat that keeps chats privateTurn a description into an image · Pick Lite or Max for the job · Pull insights from confidential data · Turn a messy to-do list into a plan

FAQ

Is there a time-limited trial?

It is a standing free plan rather than a timed trial. You can keep using it within its limits for as long as you like.

Does the free plan ask for a card?

No. You only create an account, and no payment details are requested.

Do I keep my chats if I upgrade?

Upgrading changes the plan on the same account, so you carry on where you were.

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