Project Mariner vs Obsidian
Project Mariner and Obsidian are both Productivity tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.
Side-by-side comparison
| Attribute | Project Mariner | Obsidian |
|---|---|---|
| Vendor | Google DeepMind | Obsidian |
| Rating | ★ 4.4 | ★ 4.8 |
| Pricing | Paid | Freemium |
| Platforms | Web, Chrome | Desktop, iOS, Android |
| Key features | Browser agent in Chrome, Clicks and types on the live page, Gemini-powered computer use | Local Markdown, Plugins, Graph |
| Headquarters | Mountain View, USA | Canada / remote |
| Founded | 2024 | 2020 |
| Open source | No | No |
Key differences
- Obsidian has a higher user rating (4.8★ vs 4.4★).
- Project Mariner is Paid, while Obsidian is Freemium.
- Project Mariner runs on Web, Chrome; Obsidian runs on Desktop, iOS, Android.
Frequently asked questions
Is Project Mariner or Obsidian better?
By user rating, Obsidian scores higher (4.8★ vs 4.4★). Both are capable Productivity tools, so review the feature comparison for your use case.
Which is cheaper, Project Mariner or Obsidian?
Project Mariner is Paid and Obsidian is Freemium. Check each product page for current plan details.
Are Project Mariner and Obsidian open source?
No — neither Project Mariner nor Obsidian is open source.