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Jan

Your Private, Offline AI Chat Companion

Run powerful AI right on your device — no internet, no data sharing, just pure speed and privacy. Jan is a free, open-source AI chat application that puts full control in your hands. Built for those who care about customization, offline access, and open development, Jan transforms your laptop into your personal AI workstation. Forget server limits, surveillance, or subscriptions—this is your AI, running your way.

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Overall Value

Jan is ideal for developers, privacy-first users, and AI hobbyists looking for a ChatGPT-like experience, without handing over personal data. It’s built to run entirely offline using open-source models, and it’s constantly evolving through a vibrant open community

Jan Product Review

Key Features

💬 Local AI Chat
Use Jan like you would any AI assistant—ask questions, brainstorm ideas, write content—all offline, directly on your machine.

📦 Model Hub Integration
Seamlessly load and switch between different open-source language models from Hugging Face and other sources—no hardcoding required.

🌐 Hybrid AI Access (Optional)
Need advanced capabilities? Connect Jan to cloud APIs like GPT-4 when you want, and go offline whenever you don’t.

🔗 Local API Server
Use Jan as a local AI API server to power your own applications without exposing your data to the web.

📁 File-Powered Conversations
Interact directly with documents—summarize PDFs, analyze notes, or ask questions based on uploaded content.

🧩 Extensible with Plugins
Customize Jan with community-built extensions—from developer tools to data connectors and productivity boosters.

⚙️ Deep Personalization
Tweak settings, alignment, memory, and interface options to match your preferences. Jan is as flexible as your imagination.

Use Cases

🔒 Privacy-centric research and writing
📚 Offline brainstorming and study assistance
🧑‍💻 Local AI development/testing environment
📁 Chat with files (PDFs, notes, docs) without uploading them
⚙️ Custom AI assistant for personal or team workflows
🧠 Run on devices like Steam Deck for mobile AI tinkering

Technical Specs

Agent Type: Offline conversational AI with plugin support
Interface: Native desktop app (Windows, macOS, Linux)
Model Support: Compatible with multiple open-source LLMs
Cloud Connectivity: Optional—switch between local and cloud APIs
API Access: Local API server for integrations
Customizability: Full control over settings, extensions, and AI behavior
Community: 3.5M+ downloads, 33K+ GitHub stars, 2800+ PRs

💡 Perfect for coders, tinkerers, and teams that want full local control over their AI stack.

FAQs

Can Jan run entirely offline?

Yes! Jan is designed to function 100% locally. You can load open-source models and run them directly on your device.

Do I need to be a developer to use Jan?

Not at all. While Jan is loved by devs, it’s built with a clean interface that anyone can use out of the box.

s my data private?

Absolutely. All interactions, files, and preferences stay on your machine. Jan doesn’t collect or transmit your data anywhere.

Can I extend Jan’s capabilities?

Yes, Jan supports a growing ecosystem of third-party extensions and tools, making it endlessly customizable.

Conclusion

If you’re tired of relying on cloud-based AI and want an offline, customizable solution that respects your data, Jan is the perfect companion. Built for speed, privacy, and total control, it’s not just another AI app—it’s a movement toward user-owned AI.