Gamma vs Project Mariner
Gamma and Project Mariner 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 | Gamma | Project Mariner |
|---|---|---|
| Vendor | Gamma | Google DeepMind |
| Rating | ★ 4.5 | ★ 4.4 |
| Pricing | Freemium | Paid |
| Platforms | Web | Web, Chrome |
| Key features | AI-generated decks, Multiple templates, Real-time collaboration | Browser agent in Chrome, Clicks and types on the live page, Gemini-powered computer use |
| Headquarters | San Francisco, USA | Mountain View, USA |
| Founded | 2020 | 2024 |
| Open source | No | No |
Key differences
- Gamma has a higher user rating (4.5★ vs 4.4★).
- Gamma is Freemium, while Project Mariner is Paid.
- Gamma runs on Web; Project Mariner runs on Web, Chrome.
Frequently asked questions
Is Gamma or Project Mariner better?
By user rating, Gamma scores higher (4.5★ vs 4.4★). Both are capable Productivity tools, so review the feature comparison for your use case.
Which is cheaper, Gamma or Project Mariner?
Gamma is Freemium and Project Mariner is Paid. Check each product page for current plan details.
Are Gamma and Project Mariner open source?
No — neither Gamma nor Project Mariner is open source.