# Four labs split open-weight leads on Artificial Analysis TTS language boards

No single open-weight text-to-speech model leads all nine languages in Artificial Analysis’s rankings. Higgs Audio V3 TTS, OpenAudio S1 Mini, Voxtral TTS, and Breeze TTS 2 each top the open-weight field in different languages, and each board includes only 2 to 6 open-weight models.

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Source: Artificial Analysis · Published 9/22/2026, 13:03:38

Artificial Analysis’s open-weight text-to-speech rankings do not have one model ahead across all nine languages. Four labs lead, depending on the language.

Boson AI’s Higgs Audio V3 TTS is the top open-weight model in Hindi, German, Portuguese, and Vietnamese. FishAudio’s OpenAudio S1 Mini leads the open-weight rankings in Japanese, Spanish, and Arabic. MistralAI’s Voxtral TTS leads in French, and BreezeBlue’s Breeze TTS 2 leads in Mandarin.

Open-weight coverage is much thinner than that of proprietary models. Each language leaderboard ranks 2 to 6 open-weight models, compared with 15 to 24 public models overall.

Tags: Text-to-speech, Open weights, Leaderboard, Artificial Analysis, Multilingual

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