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Jan AI

Open-source local AI assistant that runs 100% offline

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  • Open source
  • Free forever
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What is Jan AI?

Jan AI is an open-source local AI assistant that operates entirely offline on your device. Unlike cloud-based AI tools, Jan runs on your own hardware without sending data to external servers, making it suitable for users concerned about privacy or working in offline environments. The tool lets you run large language models directly on your computer, giving you control over which models you use and how your data is processed. It's designed for developers, researchers, and individuals who want AI assistance without relying on third-party services or internet connectivity.

Key features

Offline operation

runs entirely on your local machine with no cloud dependency

Open-source codebase

fully transparent code available for inspection and modification

Multiple model support

compatible with various large language models you can download and swap

Privacy by default

your conversations and data never leave your device

Cross-platform compatibility

works on Windows, macOS, and Linux systems

Customisable configuration

adjust settings and models to suit your hardware and needs

Pros & cons

Advantages

  • Complete privacy; no data shared with external services
  • Works without internet connection once set up
  • Free to use with no subscription costs or usage limits
  • You control which AI models run on your system

Limitations

  • Requires sufficient local hardware resources; performance depends on your device's CPU, RAM, and storage
  • No cloud backup or synchronisation across devices
  • Setup and model management require more technical knowledge than mainstream AI tools

Use cases

Writing and editing assistance for sensitive documents in offline environments

Software development help when internet access is unreliable or restricted

Privacy-focused content creation for individuals handling confidential information

Running AI locally on powerful workstations for research or data analysis

Educational projects where learning how AI systems work is part of the goal

Ready to try Jan AI?

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Full access to Jan AI software, open-source code, offline operation, community support

Get started with Jan AI

Click through to Jan AI and start using it now.

Get Jan AI
  • Open source
  • Free forever