Jan

Judgement

What it is

Complete system

What it does

A desktop app for running local LLMs offline through llama.cpp, with a ChatGPT-like interface, an OpenAI-compatible local API and optional cloud model connections.

Adopt it when

You want private, offline AI chat on your own computer without command-line setup.

Watch out

Still pre-1.0, and local model quality depends on your hardware.

Ready for

Usable

Runs as

Desktop app

Built with

Rust, Tauri, TypeScript and llama.cpp

How established

Established: started 3 years ago, latest release v0.8.8.

What the license allows

GitHub could not read the license. Check it in the repository before reusing any code.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Jan → Rust → runs on a microchip

How compilers were built, back to punched paper tape

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