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Introducing Async Pro v1.0 and Async Flash v1.5

calendar_today June 23, 2026 person Async Team domain podcastle

We’re expanding the Async text-to-speech lineup with two new models built for different production needs: Async Pro v1.0 and Async Flash v1.5. Together with Async Flash v1.0, the lineup now gives developers a clearer way to choose the right TTS model based on quality, latency, language coverage, and workflow compatibility. Async Pro v1.0 is our highest-quality English text-to-speech model to date, built for natural-sounding speech and improved pronunciation accuracy.

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