CMU Sphinx vs Speechmatics

CMU Sphinx

5.1 #21 in Speech Recognition Software

About CMU Sphinx

Speechmatics

7.3 #6 in Speech-to-Text Software

About Speechmatics
CMU SphinxSpeechmatics
Free planNoYes
Free trialNoNo
Paid from—Free
Open sourceNoNo
PlatformsWindows, macOS, Linuxapi, Linux, macOS, self-hosted, Web, Windows
Real-time recognitionYes—
Offline recognitionYes—
API accessYesYes
Speaker labelingYesYes
Command controlYes—
Deploymenton_device—
Free plan—Yes

Both are listed in Best Speech Recognition Software. On Inferse, Speechmatics scores higher on our published basis.