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