CMU Sphinx vs NVIDIA Riva
| CMU Sphinx | NVIDIA Riva | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Android, Linux, macOS, self-hosted, Windows | — |
| Real-time recognition | Yes | — |
| Offline recognition | Yes | — |
| API access | Yes | Yes |
| Speaker labeling | Yes | — |
| Command control | Yes | — |
| Deployment | on_device | — |
| Free plan | — | Yes |
Both are listed in Best Speech Recognition Software. On Freedom251, CMU Sphinx scores higher on our published basis.