---
title: Chat
description: Jan is a ChatGPT-alternative that runs on your own computer, with a local API server.
keywords:
  [
    Jan AI,
    Jan,
    ChatGPT alternative,
    local AI,
    private AI,
    conversational AI,
    no-subscription fee,
    large language model,
  ]
---

## Overview

A home screen for users to chat with [assistants](/specs/assistants) via conversation [threads](/specs/threads).

![alt text](../img/chat-screen.png)

## User Stories

<!-- Can also be used as a QA Checklist -->

- Users can chat with `Jan` the default assistant
- Users can customize chat settings like model parameters via both the GUI & `thread.json`
