Apps similar to Mellum 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 Mellum: we list more than 100 alternatives for the web, Windows, Mac, Linux and Android.
Privacy-first AI assistant utilizing zero-access encryption and open-source code, ensuring no data logging, profiling, or training on chats, providing user-controlled, encrypted conversations, with compliance under GDPR and no sharing with third parties.
Switzerland
AI language model perfect for generating interactive human-like text in various styles. Built on architecture allowing real-time natural language generation, ideal for applications demanding fluent, relevant output over diverse topics broadened by extensive training data.
United States
DeepSeek is a state-of-the-art AI assistant designed to provide intelligent, conversational support across diverse tasks. It leverages advanced natural language processing and machine learning to answer questions, generate creative content, solve complex problems, and offer...
China
Conversational tool providing access to advanced AI models with real-time adjustable moderation, high performance, flexible multi-platform deployment, support for customization, privacy-focused controls, and educational features for interactive learning experiences.
France
EU
AI assistant offering secure chat and API access, specializing in summarization, search, writing, Q&A, and coding, with large token windows, customizable behavior, top data retention policies, and advanced safeguards for secure and reliable enterprise or individual use.
United States
AI assistant offers writing, planning, learning support, generating images from text, and transforming text to speech. Utilizes large language models and syncs across devices without requiring coding skills. Supports dark mode and ad-free experience.
United States
Qwen.com is an interface to chat with Alibaba Qwen's Qwen series of models which are renowned for their huge context windows, generous free usage limits, reliability, and their continued tradition of being open-source.
China
Open-source offline AI platform supports local LLMs including Llama, Gemma, Qwen, GPT-oss, integrates cloud services like OpenAI and Anthropic, enables custom assistant creation, offers OpenAI-compatible API on localhost, operates across diverse hardware and ensures privacy.
Singapore
Terminal-based AI coding assistant featuring a themed native UI, automatic LSP integration, multi-agent sessions, 75+ supported LLMs, local and cloud model options, shareable debugging links, open source licensing, and session sharing for collaborative coding workflows.
United States
Private offline AI chat using local language models on mobile and desktop, no accounts or tracking, open source Rust core, privacy-first design, cross-platform availability, ideal for confidential conversations, with end-to-end encrypted sync coming soon.
United States
Terminal AI assistant features deep codebase awareness, rapid code searches, multi-file edits, and advanced code understanding with explicit approval for changes, integration with VS Code and JetBrains, leverages build tools and test suites, and is highly configurable.
United States
AI chat interface for asking questions and receiving web-grounded responses with source links. It can help draft, rewrite and summarize text, carry on spoken conversations, and generate or restyle images from prompts or uploaded pictures for research.
United States
