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DeepChatJan
Free

The developer's site does not mention any paid plan.

 Free

Free and open source. Using a third-party cloud model through Jan costs whatever that…

macOS Windows, macOS, Linux
  • Dedicated desktop app instead of a browser tab
  • Built around DeepSeek models
  • Runs fully offline on your own computer when you want it to
  • Same interface for local models and for OpenAI, Anthropic, Google, Mistral and others
  • Website content is mostly in Chinese
  • Little public detail about features on the homepage
  • Still pre-1.0 and moving fast; features appear and change between releases
  • Adding a cloud provider means putting that provider’s API key into the app
Downloadable app Downloadable app
Closed source Open source
License not stated License: Apache-2.0
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked October 1, 2026

Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.