Dia vs Tandem Browser
| Dia | Tandem Browser | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | Yes | No |
| Paid from | $20/mo | Free |
| Open source | No | No |
| Platforms | macOS | api, Linux, macOS, Windows |
| Free plan | Yes | Yes |
| Browser engine | chromium | chromium |
| Page summaries | — | Yes |
| AI research mode | — | Yes |
| Browser agent | — | Yes |
| Supported platforms | — | macOS Apple Silicon, Windows 11 x64, Linux (best-effort) |
| Privacy model | — | local |
Both are listed in Best AI Browsers. On The Geeks Club, Dia scores higher on our published basis.