Compare Jan vs ProWritingAid
| Feature | Jan | ProWritingAid |
|---|---|---|
| Description | A desktop app that lets you chat with AI models that run fully offline on your own computer. Built for: People who want a private, ChatGPT-style assistant on their own laptop. Format: App (desktop: Win/Mac/Linux). License: Apache-2.0 (LICENSE text, with a Menlo Research copyright header; GitHub shows NOASSERTION). Open source on GitHub (44,888 stars as of 2026-10-11). | ProWritingAid helps writers improve grammar, style, and story structure with reports and AI rewrites. A free tier lets you start, and Premium plans add deeper critique tools for people finishing books and long documents. |
| Pricing | Free and open source; self-hosting, model or API costs may apply | Free tier available; Premium about $30/mo monthly or $10/mo billed yearly ($120); Premium Pro about $36/mo monthly or $12/mo yearly; lifetime options listed |
| Main category | Local and open-source models | Writing |
| Website | Visit Jan | Visit ProWritingAid |
| Info last checked | October 12, 2026 | October 14, 2026 |
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