Artificial Analysis@ArtificialAnlys · XCartesia公司最新发布的语音合成模型Sonic-3.5在Artificial Analysis Speech Arena排行榜上位居第一，超越了Inworld Realtime TTS 1.5 Max和Google Gemini 3.1 Flash TTS等竞品。该模型支持42种语言（包括9种印度语言），提供超过500种声音选择。评测数据显示，Sonic-3.5以1,218的Elo分数领先，表现出自然的语音效果和准确的文本跟随能力。其定价为每百万字符39美元，高于竞品；生成速度为每秒105.5字符，介于其他两者之间。
Cartesia's Sonic-3.5 takes the #1 spot on the Artificial Analysis Speech Arena Leaderboard， surpassing Inworld Realtime TTS 1.5 Max and Google's Gemini 3.1 Flash TTS
Sonic-3.5 is the latest TTS model from @cartesia . It supports 42 languages， including 9 Indian languages， with 500+ voices available out of the box. The model has been highly preferred among voters in the TTS Arena， with its demonstrated naturalness and accurate transcript following.
Key takeaways： ➤ Quality： Sonic-3.5 has an Elo score of 1，218 （+16/-16） based on 1，144 arena appearances， placing it ahead of Inworld Realtime TTS 1.5 Max at 1，194 and Gemini 3.1 Flash TTS at 1，209