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Jan

Jan is an open source ChatGPT alternative that runs entirely offline on your computer, ensuring robust privacy and data security. It is designed to empower users with complete control over their AI interactions and customizable local deployment.

Jan is the open source alternative to:
A favicon of ChatGPT
ChatGPT
Jan screenshot

About Jan

Jan delivers an offline AI chatting experience that mimics ChatGPT while eliminating privacy concerns. The tool supports local model execution with a comprehensive model hub for running popular LLMs, offers features like a one-click local API server, and can connect to cloud-based models when extra power is needed. Its highly customizable framework allows users to tailor the experience using extensions and third-party integrations.

Key Features

  • 100% offline operation for enhanced privacy
  • Local model hub with support for popular LLMs like Llama3
  • Seamless routing to cloud AI models when necessary
  • One-click local API server setup
  • Highly customizable with extendable features
  • Completely open source with user-owned data

Representation of core functionalities

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Rendering mind map...

mindmap Jan Frontend Layer Web Interface Chat Interface Settings Management System Monitoring Desktop Shell UI Components Core Layer Browser Core Model Manager Extension Loading Browser Events Node Core API Interfaces Type Definitions Thread Types Hardware Types System Resource Types Extensions Layer Assistant Extension Conversational Extension Engine Management Model Execution Hardware Access Hardware Management Resource Monitoring GPU Management Inference Extension Model Pipeline Inference Logic Model Extension Model Import/Export Configuration Server Layer Local API Server OpenAI Compatible API Endpoints Server Config Cross-cutting Event System Event Service Event Broadcasting Resource Management Hardware Resources System Resources Extension System Extension Loading Extension Communication Settings Management Model Management Download System Import/Export Configuration Execution Pipeline

This is the mind map that represents the core functionality of the application. It focuses on the key features and functionalities of the application and provides a visual representation of how they are interrelated.

Summary

Jan empowers users to harness the potential of AI in a secure, offline environment. It combines powerful local model capabilities with the flexibility to integrate cloud solutions, ensuring that users maintain full control over their data and customization options.

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Adrian
Created by
Adrian
Mar 9, 2025Updated•1 min read
This content was partially generated using artificial intelligence.

Tool Details

27,971
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Since 2023
about 1 month ago
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Tech Stack

Language
NodeJS
Typescript
Bash
Scss
Framework
Electron
React
Tailwind
Fastify
NextJS
Tool
Eslint
Prettier
RollupJS
Docker
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