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Google's new Flash TTS models let you design AI voices from scratch using text descriptions

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Google's new Flash TTS models let you design AI voices from scratch using text descriptions

The Decoder · Sep 23, 2026, 5:39 PM UTC

Google is introducing two new text-to-speech models, Gemini 3.8 Flash TTS and Flash-Lite TTS, which support more than 100 languages. Flash TTS can create new voices from text descriptions, and both models let users add stage directions to individual lines and generate two-voice dialogue from a single script.…