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