9 Best Open Source Gemini Alternatives
A curated collection of the 9 best open source and self-hosted alternatives to Gemini in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Gemini in 2026? The top open-source alternative is Proton Lumo — AI chat assistant from Proton that stores conversations with zero-access encryption, never logs chats, and never uses your data to train models..
Other highly rated open-source Gemini alternatives include Open WebUI, LobeChat and AnythingLLM.
AI chat assistant from Proton that stores conversations with zero-access encryption, never logs chats, and never uses your data to train models.
AI chat assistant from Proton that stores conversations with zero-access encryption, never logs chats, and never uses your data to train models.
Self-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.
Self-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.
A collaborative platform to create, schedule, and operate AI agents that handle long-running tasks, team workflows, and automated jobs without constant oversight.
A collaborative platform to create, schedule, and operate AI agents that handle long-running tasks, team workflows, and automated jobs without constant oversight.
A desktop and self-hostable AI app for chatting with documents, running local LLMs, and using AI agents without writing code or creating an account.
A desktop and self-hostable AI app for chatting with documents, running local LLMs, and using AI agents without writing code or creating an account.
Desktop AI client for Windows, macOS, and Linux that connects 300+ models from 50+ providers, with local storage, a built-in knowledge base, and autonomous agent mode.
Desktop AI client for Windows, macOS, and Linux that connects 300+ models from 50+ providers, with local storage, a built-in knowledge base, and autonomous agent mode.
Chat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access control.
Chat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access control.
Jan runs open-source AI models on your own hardware or connects to cloud providers like OpenAI, Anthropic, and Google, keeping your conversations off third-party servers.
Jan runs open-source AI models on your own hardware or connects to cloud providers like OpenAI, Anthropic, and Google, keeping your conversations off third-party servers.
A mobile app for interacting with private, local large language models that work offline and are optimized for Apple silicon.
A mobile app for interacting with private, local large language models that work offline and are optimized for Apple silicon.
Open-source chat application that lets you interact with multiple AI models in one interface, offering flexible conversations and diverse capabilities.
Open-source chat application that lets you interact with multiple AI models in one interface, offering flexible conversations and diverse capabilities.
About Gemini
Google's advanced AI assistant that helps you write, code, analyze data, and solve complex problems through natural conversation and multimodal understanding.