Apps similar to Thremark include Lumo by Proton, which is open source with a free version. Other options are ChatGPT, DeepSeek, Mistral Vibe and Claude. You're spoiled for choice with AI Chatbots like Thremark: we list more than 50 alternatives for the web, Mac, Windows, iPad and iPhone.
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.
United States
Unleash the power of artificial intelligence right at your fingertips with Chatbox, the versatile client application seamlessly integrated across all major platforms – Windows, Mac, Linux, Web, and iOS.
China
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
xPrivo is a free, open-source, private AI chat assistant that focuses entirely on keeping you anonymous while helping tackle your most complex questions.
Luxembourg
EU
The main goal of llama.cpp is to enable LLM inference with minimal setup and state-of-the-art performance on a wide range of hardware - locally and in the cloud.
BulgariaEU
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!
GermanyEU
Open R1 is a community-driven, open-source initiative aimed at replicating the advanced AI capabilities of DeepSeek-R1 through transparent methodologies.
LlamaGPT is a chatbot that provides a ChatGPT-like experience, with no data leaving your device.
MiroThinker is an open-source search agent model, built for tool-augmented reasoning and real-world information seeking, aiming to match the deep research experience of OpenAI Deep Research and Gemini Deep Research.
Singapore
Deeply customizable virtual assistant offering flexible AI model support, voice chat, document interaction, web search, file and conversation management, extension integration, and a unified interface for organizing productivity and personal workflows.
Moshi is an innovative AI chatbot with advanced voice recognition, real-time interaction, and dual audio streams, setting up a new standard for voice-based chatbots.
Japan
Combining Google's knowledge graph, ChatSonic delivers real-time data, voice interaction, AI-produced visual content, personalized avatars, and API for services. It revisits past dialogs for informed responses and integrates Twitter for chat responses. Supported in multiple languages on Android, iOS, and web.
United States
