Proton's privacy-focused Lumo chatbot encrypts all your conversations

Proton, a company known for its privacy-focused services, has released a new AI chatbot called Lumo. Lumo is designed to provide an advanced AI assistant experience while prioritizing user privacy. The key feature of Lumo is its use of zero-access encryption, which means that even Proton cannot access the content of your conversations. This ensures that your data cannot be shared with governments, advertisers, or any other third parties, and it also prevents Proton from using your data to train future AI models. Lumo's performance is on par with other popular AI chatbots, such as ChatGPT and Claude. It can search the web to answer questions beyond its knowledge cut-off date, but this feature is turned off by default to further protect user privacy. Lumo is powered by a combination of open-source language models, including Mistral NeMo and Mistral Small 3. Lumo is available for free, with a weekly query limit. Proton also offers a Plus plan for $13 per month, which provides unlimited usage, larger uploads, access to more advanced AI models, and priority support.