Vibe Coding DiscoverJan is an open source alternative to ChatGPT that runs 100% offline on your computer.
Jan is a cross-platform desktop app for downloading and chatting with local LLMs, with optional cloud model providers, custom assistants, MCP integrations, and an OpenAI-compatible local API.
Use Cases
Chat with local language models offlineCreate specialized AI assistantsConnect to hosted model providersServe local models through an OpenAI-compatible APIUse MCP integrations for agentic workflows
Built With
- Language
- Rust
- Frameworks
- Tauri · llama.cpp
Tags
local LLM · offline AI · desktop app · ChatGPT alternative · privacy · self-hosted · OpenAI-compatible API · MCP