Proton’s New Privacy-first Ai Assistant Encrypts All Chats, Keeps No Logs

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Image Credits:Proton.me

5:49 AM PDT · July 23, 2025

Privacy-focused productivity devices shaper Proton connected Wednesday released its AI assistant, called Lumo, which it says prioritizes protecting personification data.

The institution says nan chatbot keeps nary logs of your conversations, has end-to-end encryption for storing chats, and offers a shade mode for conversations that vanish arsenic soon arsenic you adjacent nan window.

Available via a web client, arsenic good arsenic Android and iOS apps, Lumo doesn’t require you to person an relationship to usage nan chatbot and inquire questions. You tin upload files to person nan chatbot reply questions astir them, and if you person a Proton Drive account, you tin link it pinch Lumo to entree files stored successful nan cloud. While nan chatbot has entree to nan web, it mightiness not find you nan latest results if you usage it to search.

Image Credits: Screenshot by TechCrunch

Proton seems intent connected making it clear that its attraction is connected privacy. The institution says Lumo is based connected open-source models, and it will only dangle connected them for investigation and improvement going guardant without utilizing personification information to train its models. It besides said Lumo relies connected zero-access encryption, an encryption method that different Proton products besides use, to fto users shop their speech history, which tin beryllium decrypted connected nan device.

Throughout its blog station astir Lumo, Proton emphasized its European base, saying it gives nan institution a limb up complete AI companies based successful nan U.S. and China erstwhile it comes to privacy.

Image credits: Proton.me

“Lumo is based upon open-source connection models and operates from Proton’s European datacenters. This gives you overmuch greater transparency into nan measurement Lumo useful than immoderate different awesome AI assistant. Unlike Apple Intelligence and others, Lumo is not a business pinch OpenAI aliases different American aliases Chinese AI companies, and your queries are ne'er sent to immoderate 3rd parties,” Proton said.

This is not Proton’s first foray into nan fast-developing AI devices space: Last year, it rolled retired an AI-powered penning adjunct for its Mail product that besides runs connected nan user’s device.

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Ivan covers world user tech developments astatine TechCrunch. He is based retired of India and has antecedently worked astatine publications including Huffington Post and The Next Web. You tin scope retired to him astatine im[at]ivanmehta[dot]com

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