Lumo by Proton is described as 'Privacy-first AI assistant with zero-access encryption, no logging or profiling, open-source code, and user-controlled conversations, subject to GDPR regulations' and is a popular AI Chatbot in the ai tools & services category. There are more than 50 alternatives to Lumo by Proton for a variety of platforms, including Web-based, Android, iPhone, Mac and Windows apps. The best Lumo by Proton alternative is ChatGPT, which is free. Other great apps like Lumo by Proton are DeepSeek, Mistral Le Chat, Perplexity and DuckDuckGo AI Chat.
Lumo by Proton alternatives are mainly AI Chatbots, but if you're looking for
AI Writing Tools or Large Language Model (LLM) Tools you can filter on that. These are just examples - use the filter bar below to find more specific alternatives to Lumo by Proton.