Jan logo

Share with:

Jan

📝 Text & Writing ✍️ Text Generation 💻 Code & Development 📊 Business & Productivity Online · Mar 25, 2026

Last updated:

Jan is an innovative open-source desktop application that empowers users to run large language models (LLMs) entirely offline and locally on their computers. Positioned as a privacy-focused alternative to cloud-based AI assistants, Jan offers unparalleled data control and extensive customization options. It enables users to harness the power of AI for a wide array of tasks without sharing sensitive information with third-party servers, making it ideal for individuals and organizations prioritizing security and autonomy.

open-source offline-ai local-llm privacy desktop-ai text-generation data-privacy llm-runner customizable personal-ai
Visit Website GitHub X (Twitter) LinkedIn Discord
10 views 0 comments Published: Dec 25, 2025 Vietnam, VN, VNM, South-Eastern Asia, Asia

What It Does

Jan functions as a local runtime environment for various open-source LLMs like Llama, Mistral, and Zephyr. Users can download their preferred models through an integrated Model Hub and interact with them via a user-friendly chat interface. This setup ensures that all AI processing and data remain strictly on the user's device, providing a completely private and offline AI experience.

Pricing

Pricing Type: Free
Pricing Model: Free

Pricing Plans

Community Edition
Free

Jan is an open-source, free-to-use desktop application for running large language models locally, offering complete features without any cost.

  • Full LLM access
  • Offline operation
  • Data privacy
  • Customization
  • Extension support
  • +1 more

Core Value Propositions

Uncompromised Data Privacy

Keep all your sensitive information and AI conversations securely on your device, preventing external exposure and breaches.

Offline Productivity & Access

Utilize powerful AI capabilities anytime, anywhere, without needing an internet connection, ensuring uninterrupted workflow.

Cost-Effective AI Solution

Eliminate recurring subscription or API usage fees by running open-source LLMs locally, making advanced AI accessible and affordable.

Full Customization & Control

Tailor AI models, behaviors, and extensions to precisely fit your unique needs, offering a truly personalized AI experience.

Use Cases

Private Brainstorming & Ideation

Generate creative ideas and explore complex problems with AI without any data leaving your device, ensuring confidentiality.

Offline Content Creation

Draft articles, marketing copy, or creative stories using an LLM, even in environments without internet access.

Secure Code Assistance

Receive programming help, generate code snippets, or debug algorithms without exposing proprietary code to external servers.

Research & Document Summarization

Process and summarize confidential research papers or internal documents locally, extracting key insights privately.

Personalized Learning & Tutoring

Create a custom AI tutor for private study sessions, learning new skills or concepts with tailored explanations.

Internal Knowledge Base Querying

Develop an AI assistant to navigate and extract information from local, sensitive company documentation securely.

Technical Features & Integration

Local LLM Execution

Run popular open-source LLMs directly on your computer, eliminating reliance on cloud services and external APIs.

Complete Offline Mode

Once models are downloaded, Jan operates fully without an internet connection, ensuring continuous access to AI capabilities anywhere.

Uncompromised Data Privacy

All conversations and data stay on your local machine, guaranteeing that sensitive information is never shared or stored externally.

Integrated Model Hub

Easily browse, download, and manage a wide selection of open-source LLMs, allowing for diverse AI applications.

Extensive Customization Options

Tailor AI responses, adjust model parameters, and create custom personas to suit specific tasks and preferences.

Extension and Plugin Support

Expand Jan's functionality with community-developed extensions, adding new tools and integrations to the platform.

Cross-Platform Compatibility

Available for Windows, macOS, and Linux, providing a consistent AI experience across different operating systems.

Open-Source Development

The entire project is open-source, fostering transparency, community contributions, and continuous improvement.

Target Audience

Jan is primarily beneficial for privacy-conscious individuals and organizations, including developers, researchers, content creators, and businesses handling sensitive data. It also serves users in environments with limited or no internet access, and anyone seeking full control over their AI interactions and data.

Frequently Asked Questions

Yes, Jan is completely free to use. Available plans include: Community Edition.

Jan functions as a local runtime environment for various open-source LLMs like Llama, Mistral, and Zephyr. Users can download their preferred models through an integrated Model Hub and interact with them via a user-friendly chat interface. This setup ensures that all AI processing and data remain strictly on the user's device, providing a completely private and offline AI experience.

Key features of Jan include: Local LLM Execution: Run popular open-source LLMs directly on your computer, eliminating reliance on cloud services and external APIs.. Complete Offline Mode: Once models are downloaded, Jan operates fully without an internet connection, ensuring continuous access to AI capabilities anywhere.. Uncompromised Data Privacy: All conversations and data stay on your local machine, guaranteeing that sensitive information is never shared or stored externally.. Integrated Model Hub: Easily browse, download, and manage a wide selection of open-source LLMs, allowing for diverse AI applications.. Extensive Customization Options: Tailor AI responses, adjust model parameters, and create custom personas to suit specific tasks and preferences.. Extension and Plugin Support: Expand Jan's functionality with community-developed extensions, adding new tools and integrations to the platform.. Cross-Platform Compatibility: Available for Windows, macOS, and Linux, providing a consistent AI experience across different operating systems.. Open-Source Development: The entire project is open-source, fostering transparency, community contributions, and continuous improvement..

Jan is best suited for Jan is primarily beneficial for privacy-conscious individuals and organizations, including developers, researchers, content creators, and businesses handling sensitive data. It also serves users in environments with limited or no internet access, and anyone seeking full control over their AI interactions and data..

Keep all your sensitive information and AI conversations securely on your device, preventing external exposure and breaches.

Utilize powerful AI capabilities anytime, anywhere, without needing an internet connection, ensuring uninterrupted workflow.

Eliminate recurring subscription or API usage fees by running open-source LLMs locally, making advanced AI accessible and affordable.

Tailor AI models, behaviors, and extensions to precisely fit your unique needs, offering a truly personalized AI experience.

Generate creative ideas and explore complex problems with AI without any data leaving your device, ensuring confidentiality.

Draft articles, marketing copy, or creative stories using an LLM, even in environments without internet access.

Receive programming help, generate code snippets, or debug algorithms without exposing proprietary code to external servers.

Process and summarize confidential research papers or internal documents locally, extracting key insights privately.

Create a custom AI tutor for private study sessions, learning new skills or concepts with tailored explanations.

Develop an AI assistant to navigate and extract information from local, sensitive company documentation securely.

Reviews

Sign in to write a review.

No reviews yet. Be the first to review this tool!

Related Tools

View all alternatives →

Get new AI tools weekly

Join readers discovering the best AI tools every week.

You're subscribed!

Comments (0)

Sign in to add a comment.

No comments yet. Start the conversation!