The best open source alternative to Microsoft Copilot is Lumo by Proton. If that doesn't suit you, our users have ranked more than 100 alternatives to Microsoft Copilot and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Microsoft Copilot are DeepSeek, Jan.ai, OpenClaw and Qwen.
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.
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...
Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.
Personal AI assistant runs locally, supporting major chat platforms including WhatsApp, Telegram, Discord, iMessage, and more, with extension to Matrix and Zalo. Integrates speech and listening on macOS, iOS, and Android, plus offers a controllable live Canvas, prioritizing privacy.
Mellum-4b-base is JetBrains' first open-source large language model (LLM) optimized for code-related tasks.
As a fully open language model, Apertus allows researchers, professionals and enthusiasts to build upon the model and adapt it to their specific needs, as well as to inspect any part of the training process.
A gallery that showcases on-device ML/GenAI use cases and allows people to try and use models locally.
Confidential AI chat assistant delivering writing, summarization, voice transcription, email handling, and document search tools, all hosted exclusively in Switzerland with open source models, data sovereignty, and compliance with GDPR and FADP standards.
Open R1 is a community-driven, open-source initiative aimed at replicating the advanced AI capabilities of DeepSeek-R1 through transparent methodologies.
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