The gist

PS5LM Plus turns a modified PlayStation 5 console into a dedicated local AI server. It lets you download open language models and run them entirely on the console hardware with no cloud fees. Anyone on your local network can chat with the models through a web browser or connect compatible desktop tools.

What it does

Runs open-source language models directly on the console graphics hardware.
Displays a dashboard on your TV showing generation speed, memory use, and system temperatures.
Includes an on-screen store to browse and download models directly from Hugging Face.
Serves a web chat page accessible from any phone, tablet, or computer on your local Wi-Fi.
Provides an OpenAI-compatible network address so coding assistants and writing tools can use your local model.
Supports image-capable vision models when used with compatible model files.

How it works

The console runs a native application that loads language models into its high-speed graphics memory. An on-screen TV interface lets you manage downloads and monitor performance. At the same time, the console runs a local web service on your home network. Laptops and mobile devices connect over Wi-Fi to send chat messages and receive answers directly from the console.

Best for

Small teams or households that own a modified console and want private AI without paying monthly cloud fees.
Running medium-sized models at fast speeds without buying an expensive PC graphics card.
Providing a shared local AI chat service to all computers in your office or studio.

Watch out for

Requires a jailbroken console with homebrew software installed, which voids warranties and blocks PlayStation Network access.
Initial setup requires running custom system payloads and transferring files over a local network.
Total model size is capped by the console memory, meaning very large models cannot load.
The console fan and power draw increase significantly while generating long answers.

What you need: Install it on your own computer. Cost: free, open source.