Eleven v4 is built on a new architecture and currently ranks No. 1 on the Artificial Analysis Provider Voice TTS Arena with an Elo of 1,319. It also achieved a record pronunciation robustness score of 91.7%, the only model to exceed 93% in three of four measured categories. The model processes 73.4 characters per second of generation time and is priced at $80 per 1 million characters.
