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Page Assist vs Jan: catalog facts
Page Assist	Jan
Free Free and open source.	Free Free and open source. Using a third-party cloud model through Jan costs whatever that…
Browser extension	Windows, macOS, Linux
Sidebar for chatting alongside any web page Works with locally running models such as Ollama	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
Needs a separate local model server to be useful	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
Browser extension	Downloadable app
Open 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
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 20, 2026

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