Cartesia(@cartesia):Sonic-3.6 is #1 on @voicearena_ai for US English and Hindi. Benchmarks rarely agree on one leader when their methodologies differ. @voicearena_ai and @ArtificialAnlys measure quality differently, and Sonic-3.6 is at the top of both. Two methodologies converging on the same answer is a stronger signal than any single score. Sonic-3.6 is the current frontier. Cartesia's research is dedicated to continuously moving it with realtime models that have no quality-latency tradeoff at all.

2026.08.27 18:14

Sonic-3.6 is #1# on @voicearena_ai for US English and Hindi. Benchmarks rarely agree on one leader when their methodologies differ. @voicearena_ai and @ArtificialAnlys measure quality differently, and Sonic-3.6 is at the top of both. Two methodologies converging on the same answer is a stronger signal than any single score. Sonic-3.6 is the current frontier. Cartesia's research is dedicated to continuously moving it with realtime models that have no quality-latency tradeoff at all.

Voice Arena@voicearena_ai

2026.08.27 16:56

Cartesia Sonic-3.6 is the #1# TTS model on the Voice Arena US English 🇺🇸 Leaderboard. It debuts at 1085 Elo, in a statistical tie with Google DeepMind's Gemini 3.1 Flash TTS, and ahead of its own Sonic-3.5, Simba 3.2 and Grok TTS. It holds the top spot as a real-time model. Sonic-3.6 is the latest TTS model from @cartesia. The model has been highly preferred among raters on @voicearena_ai. Results backed by 1,400+ blind, head-to-head listener votes across two languages 🧵