LM Studio

Judgement

What it is

Complete system

What it does

A desktop app for downloading and running open-weight language models locally, with a chat interface and an OpenAI-compatible local API server.

Adopt it when

You want to run open models privately on your own machine without command-line setup.

Watch out

The app itself is closed source, and useful performance needs a capable GPU or Apple Silicon Mac.

Ready for

Usable

Runs as

Desktop app

Built with

llama.cpp and MLX

What the license allows

Closed source: you use it under the maker's terms and cannot change or resell the code.

Judged on 2026-11-03 from the maker's description and Wikipedia. The license and age lines are worked out directly.

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Under it

Every program, LM Studio included, runs on a microchip.

How compilers were built, back to punched paper tape