Introducing Sonic-3.6: our most lifelike TTS yet, and another step change in naturalness across 44 languages. Just three months after our Sonic-3.5 launch, we've made fundamental model improvements based on feedback from the teams building on Sonic. We're #1 on @ArtificialAnlys across both the provider and controlled voice streaming leaderboards — best-in-class voices + the best underlying model. Available in beta today. Hear it for yourself 👇
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The research team is on a roll

Aug 17, 2026 · 5:19 PM UTC

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