Compare Jan vs Copy.ai vs Open Notebook
| Feature | Jan | Copy.ai | Open Notebook |
|---|---|---|---|
| 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). | AI copywriting for marketing and sales | An open-source NotebookLM-style app for researching, summarizing and chatting with your sources. Built for: Researchers, writers and learners who want a private NotebookLM alternative. Format: Self-hosted web app (Docker). License: MIT. Open source on GitHub (40,067 stars as of 2026-10-11). |
| Pricing | Free and open source; self-hosting, model or API costs may apply | $49/month | Free and open source; self-hosting, model or API costs may apply |
| Main category | Local and open-source models | Writing | Research and notes |
| Website | Visit Jan | Visit Copy.ai | Visit Open Notebook |
| Info last checked | October 12, 2026 | October 12, 2026 | October 12, 2026 |
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