Cartesia Sonic 3.6 Tops TTS Leaderboards at Nearly 3x Speed

Cartesia's Sonic 3.6, supporting 44 languages, tops both Artificial Analysis speech leaderboards with an Elo of 1123, beating Eleven v3 while generating nearly three times faster at 136.1 characters per second.

2026-08-18 ~ 2026-08-18 · 3 related posts

• Cartesia's Sonic 3.6 tops both speech arena leaderboards, nearly 3x faster than Eleven v3 — ArtificialAnlys · 2026-08-18
• Cartesia Sonic 3.6 tops Artificial Analysis speech Elo leaderboard at 1123 — ArtificialAnlys · 2026-08-18
• Cartesia releases Sonic-3.6, claiming top spot on TTS leaderboards — HazyResearch · 2026-08-18