Project Mariner vs Manus
Project Mariner and Manus 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 | Manus |
|---|---|---|
| Vendor | Google DeepMind | Manus AI |
| Rating | ★ 4.4 | ★ 4.3 |
| Pricing | Paid | Freemium |
| Platforms | Web, Chrome | Web, iOS, Android |
| Key features | Browser agent in Chrome, Clicks and types on the live page, Gemini-powered computer use | Autonomous task execution, Virtual computer workspace, Research & report generation |
| Headquarters | Mountain View, USA | Singapore |
| Founded | 2024 | 2025 |
| Open source | No | No |
Key differences
- Project Mariner has a higher user rating (4.4★ vs 4.3★).
- Project Mariner is Paid, while Manus is Freemium.
- Project Mariner runs on Web, Chrome; Manus runs on Web, iOS, Android.
Frequently asked questions
Is Project Mariner or Manus better?
By user rating, Project Mariner scores higher (4.4★ vs 4.3★). Both are capable Productivity tools, so review the feature comparison for your use case.
Which is cheaper, Project Mariner or Manus?
Project Mariner is Paid and Manus is Freemium. Check each product page for current plan details.
Are Project Mariner and Manus open source?
No — neither Project Mariner nor Manus is open source.