Apps similar to Lumo by Proton include ChatGPT, which has a free version. Other options are DeepSeek, Mistral Vibe, Claude and Perplexity. There's no shortage of AI Chatbots like Lumo by Proton, with more than 100 alternatives for the web, Android, Mac, Windows and iPhone.
Built with Meta Meta Llama, Meta AI is one of the world’s leading AI assistants, already on your phone, in your pocket for free. And it’s starting to go global with more features. You can use Meta AI on .
United States
A family of lightweight, state-of-the art open models built from the same research and technology that we used to create the Gemini models.
United States
Maid is a cross-platform Flutter app for interfacing with GGUF / llama.cpp models locally, and with Ollama and OpenAI models remotely.
Together Chat is a next-generation consumer app designed to let you interact seamlessly with today's most popular open-source models, including free access to DeepSeek R1, securely hosted in the North America.
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Provides AI-powered writing tools, image generation, Genmoji, and memory movies; enhances Siri with deeper context and actions; integrates ChatGPT for complex tasks; prioritizes on-device processing for privacy; unifies features across Apple devices with Private Cloud Compute.
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Self-hosted AI workspace offering chat, tool use, and autonomous agent support. Enables email and research tasks securely on user hardware, keeps all data local, requires no external servers, and provides customizable AI workflows for privacy-focused environments.
Japan
Open-source Android LLM client supporting direct multi-provider access, BYOK security model, encrypted remote control, agentic workflows with tool and code execution, non-linear branching, on-device LLM inference, semantic memory, and flexible data management.
China
Leo is an AI-powered intelligent assistant, built right into the browser. Leo can answer questions, help accomplish tasks, and more.
United States
The simplest way to use private LLMs: Works fully offline and private when you don’t have internet. Runs models on-device optimized for Apple silicon.
United States
LlamaGPT is a chatbot that provides a ChatGPT-like experience, with no data leaving your device.
Ask questions to your documents without an internet connection, using the power of LLMs. 100% private, no data leaves your execution environment at any point. You can ingest documents and ask questions without an internet connection!
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