According to Artificial Analysis, a commercial voice service ranked first in the Controlled Voice TTS Arena, with an Elo of 1,201 across eight cloned voices in US and UK English.
Artificial Analysis reported that HeyGen Voice holds the first position in the Controlled Voice TTS Arena, with an Elo of 1,201 across 8 cloned voices in US and UK English. According to the text, the model placed ahead of a competing audio model and a commercial voice model from another provider.
The ranking is described as an independent comparison of commercial voice models, assessing quality, pronunciation, price per character and speed. The source does not detail the scoring methodology or the exact date of measurement. To verify, consult the original Artificial Analysis page and check the scope and version of the ranking before drawing conclusions.