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How to run a private model server on your PS5 with PS5 LM

Load a GGUF model on the PS5 GPU and use it from any device on your home network.

Authorization notice. PS5 LM is dual-use. Only use it on software, sites and systems you own or have explicit permission to test.

Reverse engineering. The setup requires a jailbroken PS5 and kernel-level homebrew payloads, which Sony does not support and which can void warranties or change console behavior.

Who it is forA home user with a jailbroken PS5 who wants a private AI model for laptops and phones without a PC or cloud account.

The problemCloud model services need an account and send your prompts off the network, and a PC-based server has to stay on.

The outcomeA GGUF model answers OpenAI- or Anthropic-style requests and the browser chat page from any device on the network, with no PC or account needed while it runs.

What you need first

  • A PS5 on firmware 7.00 to 13.60 that is jailbroken
  • The kstuff-lite, etaHEN and ShadowMountPlus payloads loaded on the console
  • The ps5lm-app zip from the latest GitHub release
  • A laptop or phone on the same network as the PS5, and an FTP client (ftpsrv on port 2121 is recommended)

Steps

  1. Confirm the PS5 is on firmware 7.00 to 13.60 and jailbroken, with kstuff-lite, etaHEN and ShadowMountPlus loaded.
  2. Download ps5lm-app-vX.Y.Z.zip from the latest release and unzip it.
  3. Copy the PPSA99575 folder to /data/homebrew over FTP; ShadowMountPlus then adds PS5 LM to the home screen.
  4. Open PS5 LM, go to Models > Suggested, pick a model, and load it; wait until Home says Ready.
  5. Open http://<PS5-IP>:8081 in a browser, or point your OpenAI or Anthropic client at that address.

Prompt for your agent

Using the cobanov/PS5LM repo, help the user set up a model server on a PS5 at <PS5-IP>. Send a chat request to http://<PS5-IP>:8081/v1/chat/completions with any model name and confirm a non-empty reply comes back.

Caveat. PS5 LM needs a jailbroken console on firmware 7.00 to 13.60, so it will not run on a stock PS5.

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